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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Solid Knitting UI</title>
<style>
body.darkmode {
--far-background-color: #333230;
--background-color: #232220;
--background-color-medium: #232220bb;
--background-color-light: #23222066;
--background-color-highlight: #dde1;
--separator-color: #434240;
--main-font-color: #C4C0AD;
--far-font-color: #E4E0CD;
--font-color-highlight: #D4D0CD;
--link-color: #D1C6B5;
/* syntax highlighting */
--comment: #74705D;
--location: #A6E42C;
--direction: #AC7DFF;
--keyword: #FF2275;
--carrier: #EEEEEE;
--string: #EDE277;
}
body.lightmode {
--far-background-color: #d4ccd2;
--background-color: #fbf8f6;
--background-color-medium: #f6f0eebb;
--background-color-light: #f6f0ee66;
--background-color-highlight: #2221;
--separator-color: #c4bcc2;
--main-font-color: #222;
--far-font-color: #111;
--font-color-highlight: #222;
--link-color: #181818;
/* syntax highlighting, from solarized https://en.wikipedia.org/wiki/Solarized */
--comment: #839496;
--location: #2aa198;
--direction: #268bd2;
--keyword: #cb4b16;
--carrier: #073642;
--string: #b58900;
}
body {
padding:0;
margin:0;
background-color: var(--far-background-color);
color: var(--far-font-color);
}
body a {
color: var(--link-color);
}
#dropTarget {
position:fixed;
left:0;
bottom:0;
width:100%;
height:100%;
background:#ccc;
outline:4px dashed #eee;
outline-offset:-20px;
z-index:100;
visibility:hidden;
}
#dropTarget.active {
visibility:visible;
background:#eee;
outline-color:#ccc;
}
#file {
display:none;
}
#views {
display:grid;
/* width:99vw;*/
height:99vh;
grid-template-columns: 1fr auto ;
grid-template-rows: auto 1.0fr 2em;
overflow: none;
grid-gap: 5px;
/*background: #0008 ;*/
}
#controls {
grid-column: 1 / 3 ;
grid-row: 1 ;
gap: 8px;
font-size: 16px;
line-height:16px;
padding: 5px 5px;
display:flex;
flex-flow: row wrap;
align-items: center;
/*background: #f008 ;*/
}
.controlsButton {
box-sizing:border-box;
cursor:pointer;
display:inline-block;
background:#cfbb96;
padding:4px 8px;
margin:0;
box-shadow: 0 1px 2px 0 #0008;
text-decoration:none;
line-height:1;
border: none;
border-radius:2px;
/* height:100%;*/
font-size:inherit;
font-family: sans-serif;
color: black;
}
.controlsButton:hover {
background:#f6d69b;
}
.controlsButton:active {
box-shadow: 0 0 1px 0 #0008;
}
.controlsInfo {
display:block;
text-align:right;
flex-grow: 1;
}
.controlsInfo + .controlsInfo {
flex-grow: 0;
}
.controls-section {
margin-left: 1em;
}
#view-3d {
grid-column: 1 ;
grid-row: 2 ;
/*background: #0f08 ;*/
display: grid;
grid-template-rows: auto 1fr;
grid-template-columns: 1fr;
color: var(--main-font-color);
}
#canvas-wrapper {
position:relative;
overflow: hidden;
background-color: var(--background-color);
border-top: solid 2pt var(--separator-color);
border-radius: 0 5px 5px 0;
}
#canvas {
position:absolute;
top:0;
left:0;
width:100%;
height:100%;
background-color: var(--background-color);
}
#status-line {
position:absolute;
left:0;
bottom:0;
background:#fff8;
color: black;
padding: 0.15em 0.3em;
}
#darkmode-checkbox {
width: 0;
height: 0;
visibility: hidden;
}
body.darkmode #darkmode-checkbox-label::after {
content: "\263C";
}
body.lightmode #darkmode-checkbox-label::after {
content: "\263D";
}
#render-options {
padding: 0 0.5em;
position: absolute;
top: 0;
left: 0;
background: var(--background-color-medium);
}
#render-options > summary {
cursor:pointer;
font-size: 2em;
list-style: none;
}
#render-options > summary:hover {
color: var(--font-color-highlight);
}
#render-options > summary::-webkit-details-marker { /* hide details triangle https://stackoverflow.com/a/56649741 */
display: none;
}
#sidebar {
grid-column: 2 ;
grid-row: 2 ;
display:grid;
grid-template-rows: min-content 1fr min-content;
grid-gap: 5px;
width: 24em;
min-height: 0; /* don't expand past parent height https://stackoverflow.com/a/43312314 */
/* background: #00f8 ;*/
color: var(--main-font-color);
background-color: var(--far-background-color);
}
.tab-menu-container {
margin: 0;
margin-left: 0.25em;
padding: 0;
display: grid;
box-sizing: border-box;
grid-template-columns: auto 1fr auto;
grid-template-rows: auto;
align-items: center; /* center-align text in menu items */
background-color: var(--far-background-color);
color: var(--far-font-color);
}
.tab-menu span {
padding: 0.25em 0.5em;
}
.tab-menu {
box-sizing: border-box;
margin: 0;
padding: 0;
display: grid;
grid-template-rows: 1fr;
grid-template-columns: repeat(8, max-content);
grid-gap: 1pt;
}
.tab-menu input[type=radio] { /* invisible radio button to save state https://stackoverflow.com/a/8037883 */
visibility: hidden;
width: 0;
height: 0;
margin: 0;
padding: 0;
}
.tab-menu label {
border: 0;
font-family: sans-serif;
border-radius: 0.25em 0.25em 0 0;
padding: 0.5em 1em 0.25em 1em;
border: solid 2pt var(--separator-color);
border-bottom-style: none;
cursor: pointer;
background-color: var(--background-color-light);
}
.tab-menu label:hover {
background-color: var(--background-color-medium);
}
.tab-menu label.active {
background-color: var(--background-color);
border-bottom: solid 2pt var(--background-color);
margin-bottom: -2pt;
z-index: 1;
}
#sidebar h2, #sidebar summary {
font-size:20px;
font-weight: bold;
line-height:20px;
padding: 0;
margin: 0;
margin-bottom: 0.5em;
font-family: sans-serif;
cursor: pointer;
}
#status {
/* grid-row: 2 ;*/
margin: 0;
min-height: 0;
display: grid; /* set to grid from javascript later too */
grid-template-rows: auto 1fr;
padding: 0.5em 0 0.25em 0.25em; /* top right bottom left */
border-radius: 5px;
background-color: var(--background-color);
}
#status-text {
margin:0;
padding: 0 0 0.5em 0; /* top right bottom left */
}
#library {
/* grid-row: 2 ;*/
margin:0;
padding: 0.5em 0 0 0.5em; /* top right bottom left */
min-height: 0;
display:grid; /* set to grid from javascript later too */
grid-template-rows: auto 1fr;
padding-bottom: 0.5em;
/* border-left: 2pt solid var(--separator-color);*/
border-radius: 5px 0 0 5px;
background-color: var(--background-color);
margin-top: -5px;
border-top: solid 2pt var(--separator-color);
}
#library-list {
/* grid-row: 2 ;*/
margin:0;
padding:0;
min-width: 0;
min-height: 0;
overflow-y: scroll;
}
#library ul {
list-style:none;
}
#library li {
display:block;
margin:0em 0.15em;
padding:0.15em 0.5em;
border-radius:0.2em;
cursor:pointer;
border: 1pt solid var(--background-color);
}
#library li:hover {
background-color: var(--background-color-highlight);
color: var(--font-color-highlight);
}
#library .library-active-template {
background-color: var(--background-color-highlight);
color: var(--font-color-highlight);
border: 1pt solid var(--separator-color);
}
#view-shortcuts {
/*border-top: 2px solid var(--separator-color);
border-left: 2pt solid var(--separator-color);*/
padding: 0.5em 0 0.25em 0.25em; /* top right bottom left */
border-radius: 5px;
background-color: var(--background-color);
}
#view-shortcuts summary {
padding-left: 0.5em;
margin: 0;
margin-bottom: 0.5em;
}
#shortcuts {
grid-row: 3 ;
margin:0;
padding:0;
}
#shortcuts li {
display:block;
margin:0.1em 0.15em;
padding:0.0em 0.5em;
}
#shortcuts .key {
font-family: monospace;
}
#view-knitout {
margin: 0;
padding: 0;
overflow: auto;
display:grid; /* set to grid from javascript later too */
grid-template-rows: 1fr auto;
/* border-left: 2pt solid var(--separator-color);*/
border-radius: 5px 0 0 5px;
background-color: var(--background-color);
margin-top: -5px;
border-top: solid 2pt var(--separator-color);
}
#view-knitout #view-knitout-options {
padding: 0.5em 1em;
background-color: var(--background-color);
}
#knitout-source {
font-family: monospace;
padding-top: 0.5em;
min-height: 0;
overflow-y: scroll;
margin-bottom: 0.5em;
/* background-color: #272822;*/
}
/* code styling */
#knitout-source span {
/* position: relative; /* for tooltips */
white-space: pre-wrap; /* preserve whitespace but allow line wrapping */
}
/* https://www.w3schools.com/css/css_tooltip.asp */
/*#knitout-source span .tooltiptext {
visibility: hidden;
position: absolute;
z-index: 1;
background-color: #202010;
padding: 0.5em 1em;
color: white;
top: 0;
left: 4em;
border: 1pt solid #555;
border-radius: 0.25em;
}
#knitout-source span:hover .tooltiptext {
visibility: visible;
}*/
#knitout-source .line {
padding: 0 0;
display: flex;
}
#knitout-source .line-number {
color: #94908D;
width: 2em;
padding: 0 0.5em;
display: inline-block;
/* disable selection: https://stackoverflow.com/a/4407335 */
-webkit-touch-callout: none; /* iOS Safari */
-webkit-user-select: none; /* Safari */
-khtml-user-select: none; /* Konqueror HTML */
-moz-user-select: none; /* Old versions of Firefox */
-ms-user-select: none; /* Internet Explorer/Edge */
user-select: none; /* Non-prefixed version, currently
supported by Chrome, Edge, Opera and Firefox */
}
#knitout-source .line:hover {
color: #C4C0BD;
background-color: var(--background-color-highlight);
}
#knitout-source .code {
border-left: 2px solid var(--separator-color);
/* box-shadow: inset 8px 0 8px -10px black;*/
padding-left: 0.5em;
width: 100%;
}
#knitout-source .comment {
color: var(--comment);
}
#knitout-source .location {
color: var(--location);
}
#knitout-source .direction {
color: var(--direction);
}
#knitout-source .keyword {
color: var(--keyword);
}
#knitout-source .carrier {
color: var(--carrier);
}
#knitout-source .string {
color: var(--string);
}
#view-block-data {
display: grid; /* set to grid from javascript later too */
grid-template-rows: auto 1fr;
gap: 0;
padding: 0.5em 0 0 0.25em; /* top right bottom left */
/*border-top: 2pt solid var(--separator-color);
border-left: 2pt solid var(--separator-color);*/
border-radius: 5px 0 0 5px;
background-color: var(--background-color);
}
#view-block-data summary {
padding-left: 0.5em;
margin: 0;
margin-bottom: 0.5em;
}
#hovered-block-info {
display: grid;
grid-template-columns: auto 1fr;
grid-template-rows: max-content;
align-content: start;
gap: 0;
align-items: stretch;
}
/* shade every other row https://stackoverflow.com/a/44937583 */
#hovered-block-info > :nth-child(4n+1), #hovered-block-info > :nth-child(4n+2) {
background-color: var(--background-color-highlight);
}
#hovered-block-info .field-name {
padding: 0.15em 0.25em 0.15em 0.5em; /* top right bottom left */
min-height: 0;
display: inline-flex;
align-items: center; /* vertically-center text */
justify-content: flex-end; /* align right */
}
#hovered-block-info .field-name:after {
content: ":";
}
#hovered-block-info .field-value {
padding: 0.25em 1em 0.25em 0.5em; /* top right bottom left */
font-family: monospace;
}
#hovered-block-info input[type=text] {
font-family: monospace;
width: 100%;
border: none;
background-color: #fff1;
color: var(--main-font-color);
border-radius: 2pt;
border: 1pt var(--separator-color) solid;
}
#message-box {
grid-column: 1 / 3 ;
grid-row: 3 ;
margin: 0;
min-height: 0;
padding: 0.5em 0 0.25em 0.25em; /* top right bottom left */
border-radius: 5px;
background-color: var(--background-color);
}
</style>
</head>
<body class="lightmode">
<div id="views">
<!-- controls bar at the top of the window -->
<div id="controls">
<input id="file" type="file" />
<label id="fileLabel" for="file" class="controlsButton">Load</label>
<!-- <button id="benchmark">benchmark</button>
<span id="benchmark-result"></span> -->
<button id="save" class="controlsButton">Save</button>
<button id="save-yarn-path" class="controlsButton">Save Yarn Path</button>
<button id="save-knitout" class="controlsButton">Save Knitout</button>
<!-- <button id="reallocate-spots" class="controlsButton">Reallocate Needle Locations</button> -->
<span class="controlsInfo"><a href="https://github.com/textiles-lab/solid-knitting-ui/">github page</a>;</span>
<span class="controlsInfo"><a href="https://github.com/textiles-lab/solid-knitting-ui/issues">report a bug</a></span>
</div>
<!-- 3d view -->
<div id="view-3d">
<div id="viewmode-options" class="tab-menu-container">
<span id="fileName">(no file loaded)</span>
<form id="select-3dview-mode" class="tab-menu">
<input type="radio" name="3dview-mode" id="3dview-pattern-mode" value="Pattern" checked><label id="3dview-set-pattern-mode" for="3dview-pattern-mode" class="tab">Pattern</label><input type="radio" name="3dview-mode" id="3dview-template-mode" value="Template" class="tab"><label id="3dview-set-template-mode" for="3dview-template-mode">Templates</label>
</form>
<form id="darkmode-toggle">
<input type="checkbox" id="darkmode-checkbox" name="darkmode" value="darkmode" checked><label for="darkmode-checkbox" id="darkmode-checkbox-label"></label>
</form>
</div>
<div id="canvas-wrapper">
<canvas id="canvas" width="120" height="120"></canvas>
<div id="status-line">(Status Line)</div>
<details id="render-options">
<summary>⚙</summary>
<div id="yarn-vis-options" class="controls-section">
Yarn Visualization:
<select id="select-yarn-vis-option">
<option value="Tube" selected>Tube</option>
<option value="Wire">Wire</option>
<option value="Body">Body</option>
</select>
</div>
<div id="layer-visibility-options" class="controls-section">
Layer Visibility:
<form id="layer-visibility-form" style="display:inline-block;">
<input type="checkbox" name="layer-visible" value="0" checked>0
<input type="checkbox" name="layer-visible" value="1" checked>1
<input type="checkbox" name="layer-visible" value="2" checked>2
<input type="checkbox" name="layer-visible" value="3" checked>3
<input type="checkbox" name="layer-visible" value="4" checked>4
</form>
</div>
<div id="yarn-direction-vis-options" class="controls-section">
<form id="show-yarn-direction-form" style="display:inline-block;">
<input type="checkbox" name="show-yarn-direction" value="0"> Show Yarn Direction
</form>
</div>
</details>
</div>
</div>
<!-- library panel -->
<div id="sidebar">
<div id="sidebar-menu" class="tab-menu-container">
<form id="select-sidebar-mode" class="tab-menu">
<input type="radio" name="sidebar-mode" id="sidebar-design-mode" value="PatternDesign" checked><label id="sidebar-set-design-mode" for="sidebar-design-mode" class="tab">Pattern Design</label><input type="radio" name="sidebar-mode" id="sidebar-codegen-mode" value="CodeGen"><label id="sidebar-set-codegen-mode" for="sidebar-codegen-mode" class="tab">Code Generation</label>
</form>
</div>
<div id="library">
<h2>Block Library:</h2>
<ul id="library-list">
</ul>
</div>
<!-- preview generated knitout -->
<div id="view-knitout">
<div id="view-knitout-options">
<form id="group-knitout-passes-form" style="display:inline-block;">
<label for="group-knitout-passes">Group knitout passes:</label>
<input type="checkbox" name="group-knitout-passes">
</form>
<button id="regenerate-code" class="controlsButton">Regenerate Code</button>
</div>
<div id="knitout-source"></div>
</div>
<!-- see information about highlighted block -->
<details id="view-block-data" open>
<summary> Block Info:</summary>
<form id="hovered-block-info"></form>
</details>
<!-- also list shortcuts -->
<details id="view-shortcuts" open>
<summary>Commands:</summary>
<ul id="shortcuts">
<li> <button class="controlsButton" id="relax-shape">Relax shape</button> (<span class="key">space</span> or <span class="key">R</span>)</li>
<li> <button class="controlsButton" id="select-hovered-template">Select hovered template</button> (<span class="key">enter</span>)</li>
<li> <button class="controlsButton" id="delete">Delete cell</button> (<span class="key">X</span>)</li>
<li> <button class="controlsButton" id="grab">Grab cell</button> (<span class="key">G</span>)</li>
<li> <button class="controlsButton" id="add">Add cell</button> (<span class="key">E</span>)</li>
<li> <button class="controlsButton" id="extrude">Extrude cell</button> (<span class="key">G</span>)</li>
<li> <button class="controlsButton" id="extrude-contiguous">Extrude contiguous faces</button> (<span class="key">W</span>)</li>
<li> <button class="controlsButton" id="start-connection">Start/make connection</button> (<span class="key">C</span>)</li>
<li> <button class="controlsButton" id="prev-template">Prev template</button> (<span class="key">up</span>)</li>
<li> <button class="controlsButton" id="next-template">Next template</button> (<span class="key">down</span>)</li>
<li> <button class="controlsButton" id="prev-compatible-template">Prev compatible template</button> (<span class="key">K</span>)</li>
<li> <button class="controlsButton" id="next-compatible-template">Next compatible template</button> (<span class="key">J</span>)</li>
<li> <button class="controlsButton" id="select-hovered-block">Select hovered block</button> (<span class="key">S</span>)</li>
<li> <button class="controlsButton" id="undo">Undo</button> (<span class="key">ctrl-Z</span>)</li>
<li> <button class="controlsButton" id="escape-from-action">Escape from grab/connect/selection</button> (<span class="key">esc</span>)</li>
</ul>
</details>
</div>
<div id="message-box">
<div id="cycle-text"></div>
<div id="yarn-count-text"></div>
</div>
<!-- full-window drop target -->
<div id="dropTarget"></div>
<!-- File loading code -->
<script>
// TODO: Consider moving each script into its own module for the sake of code
// clarity.
//-----------------------------------------------------------------------------
// File loading code
window.currentFile = null;
function setFilename(name) {
document.getElementById("fileName").textContent = name;
}
function readFile(file) {
console.log("Attempting to read file: '" + file.name + "'");
setFilename(file.name);
if (readFile.reader) {
readFile.reader.abort();
delete readFile.reader;
}
let reader = readFile.reader = new FileReader();
reader.onload = function(){
console.log("File was " + reader.result.byteLength + " bytes long.");
window.body = sv.Body.fromArrayBuffer(reader.result, library);
bodyDirty();
cursorDirty();
resetCamera();
requestRedraw();
window.currentFile = file;
};
reader.readAsArrayBuffer(file);
}
var dropTarget = document.getElementById("dropTarget");
//dragging into the window also loads files:
dropTarget.addEventListener('dragover', function(evt){
dropTarget.classList.add("active");
evt.preventDefault();
return false;
});
dropTarget.addEventListener('dragleave', function(evt){
dropTarget.classList.remove("active");
evt.preventDefault();
return false;
});
dropTarget.addEventListener('drop', function(evt){
dropTarget.classList.remove("active");
try {
file.value = "";
window.currentFile = null;
readFile(evt.dataTransfer.files[0]);
} catch (e) {
console.log(e);
}
evt.preventDefault();
return false;
});
//dragging into the window shows the target:
document.addEventListener('dragover', function(evt){
dropTarget.classList.add("active");
evt.preventDefault();
return false;
});
var file = document.getElementById("file");
file.addEventListener('change', function(evt){
try {
window.currentFile = null;
readFile(file.files[0]);
} catch (e) {
console.log(e);
}
evt.preventDefault();
return false;
});
file.addEventListener('click', function(evt){
file.value = ""; //reset so 'change' event fires
});
document.getElementById("save").addEventListener('click', function(evt){
console.log("Saving");
const text = JSON.stringify(body.toData());
fileSave(text, "solid-knitting.body");
});
document.getElementById("save-yarn-path").addEventListener('click', function(evt){
console.log("Saving yarn path");
let text = "";
let iV = 1;
for (const cell of body.cells) {
const xf = cell.xform;
for (const yarn of cell.template.yarns) {
for (let iP=0; iP<yarn.pts.length; ++iP) {
const pt = yarn.pts[iP];
let at = gm.mul_mat4x3_vec4(xf, [...pt, 1]);
text += "v " + at[0] + " " + at[1] + " " + at[2] + "\n";
}
text += "l ";
for (let iP=0; iP<yarn.pts.length; ++iP) {
text += iV + " ";
++iV;
}
text += "\n";
}
}
fileSave(text, "solid-knitting-yarn-path.obj");
});
//from knitout-live-visualizer:
function fileSave(sourceText, fileIdentity) {
var workElement = document.createElement("a");
if ('download' in workElement) {
workElement.href = "data:" + 'text/plain' + "charset=utf-8," + escape(sourceText);
workElement.setAttribute("download", fileIdentity);
document.body.appendChild(workElement);
var eventMouse = document.createEvent("MouseEvents");
eventMouse.initMouseEvent("click", true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
workElement.dispatchEvent(eventMouse);
document.body.removeChild(workElement);
console.log(workElement);
// window.currentFile = file;
} else throw 'File saving not supported for this browser';
}
</script>
<!-- Solid Knitting UI code -->
<script type="module">
'use strict';
import * as gm from './code/gm.mjs';
window.gm = gm; //DEBUG
import * as sv from './code/sv.mjs';
window.sv = sv; //DEBUG
window.library = new sv.Library();
window.template = null;
window.body = new sv.Body();
import {Geometry, Program, loadTexture} from './code/gl.mjs';
import {writeHighlightedCode, groupBlocks, groupPasses, noPassGrouping} from './code/sk.mjs';
document.getElementById("save-knitout").addEventListener('click', function(evt){
if (groupKnitoutPassesCheckbox.checked) {
fileSave(groupPasses(knitoutCode.fragments), "solid-knitting-pattern.sk");
} else {
fileSave(noPassGrouping(knitoutCode.fragments), "solid-knitting-pattern.sk");
}
});
// document.getElementById("reallocate-spots").addEventListener('click', function(evt){
// allocateSpots();
// });
//-----------------------------------------------------------------------------
// Adapted from yarn visualizer code (from smobj)
// NOTE: based largely on the MDN WebGL tutorials at:
// https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API/Tutorial/Getting_started_with_WebGL
const canvas = document.getElementById("canvas");
const gl = canvas.getContext('webgl', {alpha:false, antialias:false});
window.gl = gl; //DEBUG
//enable extensions:
const ext_WEBGL_depth_texture = gl.getExtension("WEBGL_depth_texture"); //used for postprocessing
const STATUS_LINE = document.getElementById("status-line");
window.STATUS_LINE = STATUS_LINE;
// "enum" representing possible displays
const ViewMode = {
Pattern: 'Pattern',
Template: 'Template'
};
let viewMode = ViewMode.Pattern;
let viewPerspective = true;
//------- camera -------
const camera = {
target:gm.vec3(0),
radius:2.5,
azimuth:0.0,
elevation:0.0,
fovy:45.0,
aspect:1.0
};
window.camera = camera; //DEBUG
camera.computeUp = function camera_computeUp() {
return gm.vec3(
Math.cos(this.azimuth)*-Math.sin(this.elevation),
Math.sin(this.azimuth)*-Math.sin(this.elevation),
Math.cos(this.elevation)
);
};
camera.computeRight = function camera_computeRight() {
return gm.vec3(
-Math.sin(this.azimuth),
Math.cos(this.azimuth),
0.0
);
};
camera.computeOut = function camera_computeOut() {
return gm.vec3(
Math.cos(this.azimuth)*Math.cos(this.elevation),
Math.sin(this.azimuth)*Math.cos(this.elevation),
Math.sin(this.elevation)
);
};
camera.computeAt = function camera_computeAt() {
return gm.add(this.target, gm.scale(this.radius, this.computeOut()));
};
function resetCamera() {
let min = gm.vec3(Infinity);
let max = gm.vec3(-Infinity);
//TOOD: compute bounding box
if (min[0] > max[0]) {
//for now, just some default:
min[0] = -10.0; min[1] = -10.0; min[2] = -10.0;
max[0] = 10.0; max[1] = 10.0; max[2] = 10.0;
}
camera.target = gm.scale(0.5, gm.add(min,max));
//console.log("Range: ",min,max);
camera.radius = 0.5 * (max[1] - min[1]) / Math.tan(0.5 * camera.fovy * Math.PI / 180.0) + 0.5 * (max[2] - min[2]);
camera.azimuth = Math.PI / 6.0;
camera.elevation = Math.PI / 4.0;
requestRedraw();
}
window.resetCamera = resetCamera;
//--- controls ---
const MOUSE = {x:NaN, y:NaN, over:null, grid:null};
let CURSOR = MOUSE; // <-- if anything is selected, set to selection. Otherwise, set to MOUSE
let ACTION = null; //<-- current action; gets all events if not null
let camFlipX = false; //used for camera rotation control
function mouseRay() {
const origin = camera.computeAt();
//compute ray direction through mouse:
const o = camera.computeOut();
const r = camera.computeRight();
const u = camera.computeUp();
const rh = Math.tan(0.5 * camera.fovy / 180.0 * Math.PI); //half of the image plane height
const rw = rh * camera.aspect; //half of the image plane width
const direction = gm.sub( gm.add( gm.scale(rw * MOUSE.x, r), gm.scale(rh * MOUSE.y, u)), o);
return {origin, direction};
}
function mouseDirty() {
MOUSE.over = null;
MOUSE.grid = null;
MOUSE.dirty = true;
requestRedraw(); //mouse will be updated as part of redraw
}
window.mouseDirty = mouseDirty;
function cursorDirty() {
mouseDirty(); // always update MOUSE
// if CURSOR is frozen, we shouldn't update
if (CURSOR.frozen) return;
CURSOR.over = null;
CURSOR.grid = null;
CURSOR.dirty = true;
requestRedraw();
}
window.cursorDirty = cursorDirty;
function bodyDirty() {
visBody.dirty = true;
visWire.dirty = true;
visWireCells.dirty = true;
visTubes.setDirty();
visTransparentTubes.setDirty();
for (let cell of body.cells) {
cell.dirty = true;
}
requestRedraw();
}
window.bodyDirty = bodyDirty;
function bodyClean() {
for (let cell of body.cells) {
delete cell.dirty;
}
}
function cellDirty(cell) {
visBody.dirty = true;
visWire.dirty = true;
visWireCells.dirty = true;
visTubes.dirty = true;
visTransparentTubes.dirty = true;
cell.dirty = true;
requestRedraw();
}
function templateDirty() {
visTemplateBody.dirty = true;
visTemplateWire.dirty = true;
visTemplateTubes.dirty = true;
visTemplateWireCells.dirty = true;
requestRedraw();
}
window.templateDirty = templateDirty;
function knitoutDirty() {
knitoutCode.dirty = true;
requestRedraw();
}
window.knitoutDirty = knitoutDirty; // for debugging
function setMouseOver() {
delete MOUSE.dirty;
MOUSE.over = null;
MOUSE.grid = null;
if (MOUSE.x !== MOUSE.x) return;
const ray = mouseRay();
let close = Infinity;
//faces of cells: