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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Sandboxels - Experiment with Pixels</title>
<meta name="description" content="Relax or experiment with over 500 materials in this falling sand simulator, featuring heat, chemical reactions, density, burning, explosions.">
<meta name="keywords" content="falling sand, elements, pixel art, simulator, powder, toy, chemistry, science, educational">
<meta name="author" content="R74n">
<meta name="copyright" content="R74n">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="robots" content="all">
<meta name="contact" content="contact@R74n.com">
<!--Favicons-->
<link rel="apple-touch-icon" sizes="180x180" href="icons/apple-touch-icon.png?v=2">
<link rel="icon" type="image/png" sizes="32x32" href="icons/favicon-32x32.png?v=2">
<link rel="icon" type="image/png" sizes="16x16" href="icons/favicon-16x16.png?v=2">
<link rel="manifest" href="manifest.json">
<link rel="mask-icon" href="icons/safari-pinned-tab.svg?v=2" color="#2167ff">
<link rel="shortcut icon" href="icons/favicon.ico?v=2">
<link rel="help" href="https://sandboxels.R74n.com/help">
<link rel="search" href="https://R74n.com/search/#gsc.tab=0">
<link rel="license" href="https://sandboxels.R74n.com/license.txt">
<meta name="msapplication-TileColor" content="#e6d577">
<meta name="theme-color" content="#000000">
<!--OpenGraph-->
<meta property="og:locale" content="en_US">
<meta property="og:type" content="website">
<meta property="og:title" content="Sandboxels - Experiment with Pixels">
<meta property="og:description" content="Relax or experiment with over 500 materials in this falling sand simulator.">
<meta property="og:url" content="https://sandboxels.r74n.com">
<meta property="og:site_name" content="Sandboxels">
<meta property="og:image" content="https://sandboxels.r74n.com/icons/wallpaper.png">
<meta property="og:image:width" content="1980">
<meta property="og:image:height" content="971">
<meta property="og:image:type" content="image/png">
<meta property="og:image:alt" content="A rainforest made in Sandboxels">
<!--Twitter-->
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:description" content="Relax or experiment with over 500 materials in this falling sand simulator.">
<meta name="twitter:title" content="Sandboxels - Experiment with Pixels">
<meta name="twitter:site:id" content="1436857621827530753">
<meta name="twitter:image" content="https://sandboxels.r74n.com/icons/card.png">
<meta name="twitter:image:alt" content="A rainforest made in Sandboxels">
<meta name="twitter:creator:id" content="1436857621827530753">
<script> // versioning info
currentversion = "1.10.2";
saveVersion = 2;
</script>
<style>
.setting-span {
display:block;padding-bottom:0.5em
}
</style>
<!-- Schema -->
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": ["VideoGame","MobileApplication","WebApplication"],
"gamePlatform":"Web Browser",
"image":"https://sandboxels.r74n.com/icons/icon.png",
"url": "https://sandboxels.r74n.com",
"name":"Sandboxels",
"author":"R74n",
"creator":"R74n",
"description":"Sandboxels is an in-browser falling sand simulator, with mechanics such as heat simulation, electricity, density, chemical reactions, fire, and over 500 unique elements to play with.",
"offers":{
"@type":"Offer",
"price":"0",
"priceCurrency":"USD",
"availability":"https://schema.org/InStock"
},
"genre": "Falling-sand game",
"softwareVersion":"1.10.2",
"datePublished":"2021-12-15",
"dateCreated":"2021-12-15",
"gameTip":"https://sandboxels.r74n.com/controls",
"softwareHelp":"https://sandboxels.r74n.com/controls",
"releaseNotes":"https://sandboxels.r74n.com/changelog",
"screenshot": "https://sandboxels.r74n.com/icons/wallpaper.png",
"softwareRequirements": "HTML5",
"archivedAt": "https://web.archive.org/web/20230519005427/https://sandboxels.r74n.com/",
"copyrightYear": 2024,
"copyrightNotice": "©2021-2024. All Rights Reserved. R74n",
"license": "https://sandboxels.r74n.com/license.txt",
"discussionUrl": "https://link.r74n.com/discord",
"educationalUse": "Hands-on lab experiments and learning",
"headline": "Sandboxels",
"isAccessibleForFree": true,
"isFamilyFriendly": true
}</script>
<script>
// replaceAll polyfill
if (!String.prototype.replaceAll) {String.prototype.replaceAll = function(str, newStr){if (Object.prototype.toString.call(str).toLowerCase() === '[object regexp]') {return this.replace(str, newStr);}return this.replace(new RegExp(str, 'g'), newStr);};}
// requestFullScreen
function requestFullScreen(element) { /* Supports most browsers and their versions.*/ var requestMethod = element.requestFullScreen || element.webkitRequestFullScreen || element.mozRequestFullScreen || element.msRequestFullScreen; if (requestMethod) { /*Native full screen.*/ requestMethod.call(element); } else if (typeof window.ActiveXObject !== "undefined") { /*Older IE.*/ var wscript = new ActiveXObject("WScript.Shell"); if (wscript !== null) { wscript.SendKeys("{F11}"); } } }
</script>
<script> // PWA things
// add service worker service-worker.js
if (typeof navigator !== 'undefined') {
if ('serviceWorker' in navigator) {
window.addEventListener('load', function() {
navigator.serviceWorker.register('/service-worker.js');
});
}
}
</script>
<script>
console.log("%c WELCOME TO R74n ","position: absolute; top: 50%; right: 50%; transform: translate(50%,-50%); font-family: Arial; font-size: 3em; font-weight: 700; color: #00ffff; text-shadow: 1px 1px 1px #14c9c9, 1px 2px 1px #14c9c9, 1px 3px 1px #14c9c9, 1px 4px 1px #14c9c9, 1px 5px 1px #14c9c9, 1px 13px 6px rgba(16,16,16,0.4), 1px 22px 10px rgba(16,16,16,0.2), 1px 25px 35px rgba(16,16,16,0.2), 1px 30px 60px rgba(16,16,16,0.4);padding:10px");
console.log("Sandboxels is developed by R74n and can be played on the official website: https://sandboxels.R74n.com/");
console.log("Can't access? Join our Discord: https://link.R74n.com/discord");
console.log("Found this on another website? Let us know!");
console.log("©2021-" + new Date().getFullYear() + ". All Rights Reserved. https://sandboxels.R74n.com/license.txt");
// If settings is in localStorage, load it. If not, create an empty object.
settings = localStorage.getItem("settings") ? JSON.parse(localStorage.getItem("settings")) : {};
// URL query handling
var urlParams = new URLSearchParams(window.location.search);
if (urlParams.has("worldgen")) {
settings.worldgen = urlParams.get("worldgen");
}
if (!settings["unlocked"]) {
settings["unlocked"] = {};
}
function saveSettings() {
if (currentSaveData) { return }
localStorage.setItem("settings", JSON.stringify(settings));
}
defaultCooldown = 8;
behaviors = {
POWDER_OLD: [
"XX|XX|XX",
"XX|XX|XX",
"M2|M1|M2",
],
POWDER: function(pixel) {
if (pixel.start === pixelTicks) {return}
if (pixel.charge && elements[pixel.element].behaviorOn) {
pixelTick(pixel);
return;
}
if (!tryMove(pixel, pixel.x, pixel.y+1)) {
if (Math.random() < 0.5) {
if (!tryMove(pixel, pixel.x+1, pixel.y+1)) {
tryMove(pixel, pixel.x-1, pixel.y+1);
}
} else if (!tryMove(pixel, pixel.x-1, pixel.y+1)) {
tryMove(pixel, pixel.x+1, pixel.y+1);
}
}
doDefaults(pixel);
},
AGPOWDER: [
"M2|M1|M2",
"XX|XX|XX",
"XX|XX|XX",
],
LIQUID_OLD: [
"XX|XX|XX",
"M2|XX|M2",
"M1|M1|M1",
],
LIQUID: function(pixel) {
if (pixel.start === pixelTicks) {return}
if (pixel.charge && elements[pixel.element].behaviorOn) {
pixelTick(pixel);
return;
}
var viscMove = true;
if (elements[pixel.element].viscosity) {
viscMove = (Math.random()*100) < 100 / Math.pow(elements[pixel.element].viscosity, 0.25);
}
if (!viscMove) {
var move1Spots = [
0
]
}
else {
var move1Spots = [
1,0,-1
]
}
var moved = false;
for (var i = 0; i < move1Spots.length; i++) {
const j = Math.random()*move1Spots.length | 0;
const coord = move1Spots[j];
if (tryMove(pixel, pixel.x+coord, pixel.y+1)) { moved = true; break; }
move1Spots.splice(j, 1);
}
if (!moved) {
if (viscMove) {
if (Math.random() < 0.5) {
if (!tryMove(pixel, pixel.x+1, pixel.y)) {
tryMove(pixel, pixel.x-1, pixel.y);
}
} else {
if (!tryMove(pixel, pixel.x-1, pixel.y)) {
tryMove(pixel, pixel.x+1, pixel.y);
}
}
}
}
doDefaults(pixel);
},
SUPERFLUID_OLD: [
"XX|XX|XX",
"XX|XX|M2 AND BO",
"XX|M1|M2",
],
SUPERFLUID: function(pixel) {
if (pixel.start === pixelTicks) {return}
if (pixel.charge && elements[pixel.element].behaviorOn) {
pixelTick(pixel);
return;
}
if (!tryMove(pixel, pixel.x, pixel.y+1)) {
// go either left or right depending on pixel.flipX
var newx = pixel.flipX ? pixel.x-1 : pixel.x+1;
if (Math.random() < 0.5) {
if (!tryMove(pixel, newx, pixel.y)) {
pixel.flipX = !pixel.flipX;
tryMove(pixel, newx, pixel.y+1);
}
}
else {
if (!tryMove(pixel, newx, pixel.y+1)) {
if (!tryMove(pixel, newx, pixel.y)) { pixel.flipX = !pixel.flipX; }
}
}
}
doDefaults(pixel);
},
LIGHTWEIGHT: [
"XX|XX|XX",
"XX|FX%0.25|XX",
"M2%10|M1%10|M1%10",
],
SLIDE: [
"XX|XX|XX",
"XX|XX|M2 AND BO",
"XX|M1|M1",
],
AGLIQUID: [
"M1|M1|M1",
"M2|XX|M2",
"XX|XX|XX",
],
WALL: [
"XX|XX|XX",
"XX|XX|XX",
"XX|XX|XX",
],
UL_UR: [
"M1|M1|M1",
"M2|XX|M2",
"XX|M2|XX",
],
UL_UR_OPTIMIZED: function(pixel) {
if (pixel.start === pixelTicks) {return}
if (pixel.charge && elements[pixel.element].behaviorOn) {
pixelTick(pixel);
return;
}
var move1Spots = [0,1,-1]
var moved = false;
for (var i = 0; i < move1Spots.length; i++) {
const j = Math.random()*move1Spots.length | 0;
const coord = move1Spots[j];
if (tryMove(pixel, pixel.x+coord, pixel.y-1)) { moved = true; break; }
else { move1Spots.splice(j, 1);}
}
if (!moved && !pixel.del) {
var move2Spots = [
[0, 1],
[1, 0],
[-1, 0],
]
for (var i = 0; i < move2Spots.length; i++) {
const j = Math.random()*move2Spots.length | 0;
const coords = move2Spots[j];
if (tryMove(pixel, pixel.x+coords[0], pixel.y+coords[1])) { break; }
else { move2Spots.splice(j, 1); }
}
}
if (!pixel.del) { doDefaults(pixel); }
},
GAS_OLD: [
"M2|M1|M2",
"M1|XX|M1",
"M2|M1|M2",
],
GAS: function(pixel) {
if (pixel.start === pixelTicks) {return}
if (pixel.charge && elements[pixel.element].behaviorOn) {
pixelTick(pixel);
return;
}
let move1Spots = adjacentCoords.slice(0);
var moved = false;
for (var i = 0; i < move1Spots.length; i++) {
const j = Math.random()*move1Spots.length | 0;
const coords = move1Spots[j];
if (tryMove(pixel, pixel.x+coords[0], pixel.y+coords[1])) { moved = true; break; }
move1Spots.splice(j, 1);
}
if (!moved) {
let move2Spots = diagonalCoords.slice(0);
for (var i = 0; i < move2Spots.length; i++) {
const j = Math.random()*move2Spots.length | 0;
const coords = move2Spots[j];
if (tryMove(pixel, pixel.x+coords[0], pixel.y+coords[1])) { break; }
move2Spots.splice(j, 1);
}
}
doDefaults(pixel);
},
DGAS_OLD: [
"M2|M1|M2",
"M1|DL%5|M1",
"M2|M1|M2",
],
DGAS: function(pixel) {
if (Math.random() < 0.05) {
deletePixel(pixel.x,pixel.y);
return;
}
behaviors.GAS(pixel);
},
SUPPORT: [
"XX|XX|XX",
"SP|XX|SP",
"XX|M1|XX",
],
SUPPORTPOWDER: [
"XX|XX|XX",
"SP|XX|SP",
"M2|M1|M2",
],
DELETE: [
"XX|DL|XX",
"DL|XX|DL",
"XX|DL|XX",
],
FILL: [
"XX|CL|XX",
"CL|XX|CL",
"XX|CL|XX",
],
CLONER: [
"XX|CF|XX",
"CF|XX|CF",
"XX|CF|XX",
],
STURDYPOWDER_OLD: [
"XX|XX|XX",
"XX|XX|XX",
"XX|M1|XX",
],
STURDYPOWDER: function(pixel) {
if (pixel.start === pixelTicks) {return}
if (pixel.charge && elements[pixel.element].behaviorOn) {
pixelTick(pixel);
return;
}
tryMove(pixel,pixel.x,pixel.y+1);
doDefaults(pixel);
},
SELFDELETE: [
"XX|XX|XX",
"XX|DL|XX",
"XX|XX|XX",
],
FOAM: [
"XX|XX|XX",
"XX|DL%5|XX",
"M2%25|M1%25|M2%25",
],
BUBBLE: [
"XX|XX|XX",
"XX|DL%0.25 AND FX%1|M1%5",
"XX|M1%1|M1%2",
],
STICKY: [
"XX|ST|XX",
"ST|XX|ST",
"XX|ST AND M1|XX",
],
MOLTEN: function(pixel) {
if (Math.random() < 0.025 && isEmpty(pixel.x,pixel.y-1)) {
createPixel("fire",pixel.x,pixel.y-1);
pixelMap[pixel.x][pixel.y-1].temp = pixel.temp;
if (elements[pixel.element].fireColor) {
pixelMap[pixel.x][pixel.y-1].color = pixelColorPick(pixelMap[pixel.x][pixel.y-1],elements[pixel.element].fireColor);
}
}
behaviors.LIQUID(pixel);
},
MOLTEN_OLD: [
"XX|CR:fire%2.5|XX",
"M2|XX|M2",
"M1|M1|M1",
],
RADPOWDER: [
"XX|CR:radiation%1|XX",
"CR:radiation%1|XX|CR:radiation%1",
"M2|M1|M2",
],
RADMOLTEN: [
"XX|CR:fire,fire,fire,radiation%4.5|XX",
"M2 AND CR:radiation%1|XX|M2 AND CR:radiation%1",
"M1|M1|M1",
],
RADLIQUID: [
"XX|CR:radiation%2|XX",
"M2 AND CR:radiation%2|XX|M2 AND CR:radiation%2",
"M1|M1|M1",
],
BOUNCY: function(pixel) {
if (pixel.bx===undefined) {
// choose 1, 0, or -1
pixel.bx = Math.random() < 0.5 ? 1 : Math.random() < 0.5 ? 0 : -1;
pixel.by = Math.random() < 0.5 ? 1 : Math.random() < 0.5 ? 0 : -1;
// if both are 0, make one of them 1 or -1
if (pixel.bx===0 && pixel.by===0) {
if (Math.random() < 0.5) { pixel.bx = Math.random() < 0.5 ? 1 : -1; }
else { pixel.by = Math.random() < 0.5 ? 1 : -1; }
}
}
// move and invert direction if hit
if (!pixel.del && pixel.bx && !tryMove(pixel, pixel.x+pixel.bx, pixel.y)) { pixel.bx = -pixel.bx; }
if (!pixel.del && pixel.by && !tryMove(pixel, pixel.x, pixel.y+pixel.by)) { pixel.by = -pixel.by; }
},
FEEDPIXEL: function(pixel) {
if (!pixel.food) { pixel.food = 1 }
else { pixel.food ++ }
if (pixel.food > (elements[pixel.element].foodNeed||30)) {
let released;
if (elements[pixel.element].egg) {
released = releaseElement(pixel,elements[pixel.element].egg,1,true);
}
else {
released = releaseElement(pixel,"egg",1,true)
if (released) {
released.animal = elements[pixel.element].baby || pixel.element;
if (elements[pixel.element].eggColor) {
released.color = pixelColorPick(released,elements[pixel.element].eggColor)
}
}
}
if (released) {
pixel.food = 0;
}
}
},
KILLPIXEL1: function(pixel) {
pixel.dead = true;
},
KILLPIXEL2: function(pixel1,pixel2) {
pixel2.dead = true;
},
FLY: function(pixel, onHit) {
var nx = pixel.flipX ? -1 : 1;
var ny = Math.random() < 0.5 ? -1 : 1;
var hit = false;
if (!tryMove(pixel, pixel.x+nx, pixel.y+ny)) {
if (!tryMove(pixel, pixel.x+nx, pixel.y-ny)) {
if (!tryMove(pixel, pixel.x, pixel.y+ny)) {
if (!tryMove(pixel, pixel.x, pixel.y-ny)) {hit=[pixel.x, pixel.y-ny]}
}else {hit=[pixel.x, pixel.y+ny]}
}else {hit=[pixel.x+nx, pixel.y-ny]}
}else {hit=[pixel.x+nx, pixel.y+ny]}
if (hit && onHit) {
if (!isEmpty(hit[0], hit[1], true)) {
onHit(pixel, pixelMap[hit[0]][hit[1]]);
}
else {onHit(pixel);}
}
if (pixel.del) {return}
if (!isEmpty(pixel.x+nx,pixel.y) || Math.random() < 0.02) {
pixel.flipX = !pixel.flipX;
}
if (pixel.charge && elements[pixel.element].behaviorOn) {
pixelTick(pixel)
}
doDefaults(pixel);
},
CRAWLER2: function(pixel,onHit,afterMove) {
var newX = 0; var newY = 0;
var floorX = 0; var floorY = 0;
if (pixel.r === undefined) { pixel.r = 0 }
if (pixel.climb === undefined) { pixel.climb = 0 }
if (pixel.r === 0) { newX = 1; floorY = 1; }
else if (pixel.r === 1) { newY = 1; floorX = 1; }
else if (pixel.r === 2) { newX = -1; floorY = 1; }
else if (pixel.r === 3) { newY = -1; floorX = 1;}
if (!isEmpty(pixel.x-floorX,pixel.y-floorY)) {
if (!isEmpty(pixel.x+floorX,pixel.y+floorY) && Math.random() < 0.5) {}
else {
floorX = -floorX; floorY = -floorY;
}
}
if (!(isEmpty(pixel.x+floorX,pixel.y+floorY) && tryMove(pixel,pixel.x,pixel.y+1))) { // fall
pixel.climb++;
if (!tryMove(pixel,pixel.x+newX,pixel.y+newY) && !tryMove(pixel,pixel.x+newX,pixel.y+newY+(Math.random() < 0.5 ? 1 : -1))) { // hits wall
pixel.climb = 0;
if (onHit) { onHit(pixel,newX,newY); }
if (!isEmpty(pixel.x+newX,pixel.y+newY,true) && pixelMap[pixel.x+newX][pixel.y+newY].element === pixel.element) {
pixelMap[pixel.x+newX][pixel.y+newY].r = pixel.r;
}
else {
pixel.r = Math.floor(Math.random() * 4);
}
}
else if (pixel.r % 2 === 1) {
if (tryMove(pixel,pixel.x+floorX,pixel.y)) {
pixel.r = floorX < 0 ? 2 : 0;
pixel.climb = 0;
}
}
else if (tryMove(pixel,pixel.x,pixel.y+floorY)) {
pixel.r = floorY < 0 ? 3 : 1;
pixel.climb = 0;
}
if (afterMove) { afterMove(pixel,newX,newY); }
}
else {
pixel.r = Math.random() < 0.5 ? 0 : 2;
pixel.climb = 0;
}
doDefaults(pixel);
},
CRAWLER: function(pixel) {},
ABSORB: function(pixel,limit=100,rate=0.1) {
if (pixel.moist === undefined) { pixel.moist = 0 }
for (var i = 0; i < adjacentCoords.length; i++) {
var coords = adjacentCoords[i];
var x = pixel.x + coords[0];
var y = pixel.y + coords[1];
if (!isEmpty(x,y,true)) {
var newPixel = pixelMap[x][y];
if (newPixel.element === pixel.element) {
var avg = ((pixel.moist||0) + (newPixel.moist||0))/2;
pixel.moist = avg;
newPixel.moist = avg;
}
else if (elements[pixel.element].reactions[newPixel.element] && (!elements[pixel.element].reactions[newPixel.element].elem2 || elements[pixel.element].reactions[newPixel.element].tempMin) && (pixel.moist||0) < limit && Math.random() < rate) {
deletePixel(x,y);
pixel.moist++;
}
}
else if (pixel.moist >= 1 && pixel.temp > 100 && !outOfBounds(x,y) && Math.random() < 0.1) {
createPixel("steam",x,y);
pixel.moist--;
}
}
},
RELEASE_MOISTURE: function(pixel) {
if (pixel.moist === undefined) { pixel.moist = 0 }
for (var i = 0; i < adjacentCoords.length; i++) {
var coords = adjacentCoords[i];
var x = pixel.x + coords[0];
var y = pixel.y + coords[1];
if (isEmpty(x,y) && pixel.moist >= 1) {
createPixel("water",x,y);
pixel.moist--;
}
}
},
DO_TICK: function(pixel) {
if (elements[pixel.element].tick1) {
elements[pixel.element].tick1(pixel); return;
}
elements[pixel.element].tick(pixel);
},
SEEDRISE: function(pixel) {
if (Math.random() < 0.02) {
let x = 0;
if (Math.random() < 0.25) {
x += Math.random() < 0.5 ? -1 : 1;
}
if (!isEmpty(pixel.x+x,pixel.y-1,true) && eLists.SOIL.includes(pixelMap[pixel.x+x][pixel.y-1].element)) {
let soil = pixelMap[pixel.x+x][pixel.y-1];
swapPixels(pixel,soil);
changePixel(soil,"fiber");
}
}
}
}
textures = {
BRICK: [
"llllrwlllll",
"rrrrdwlrrrr",
"dddddwrdddd",
"wwwwwwwwwww",
"lrwllllrwll",
"rdwlrrrdwlr",
"ddwrddddwrd",
"wwwwwwwwwww",
"lllllrwllll",
"rrrrrdwlrrr",
"ddddddwrddd",
"wwwwwwwwwww",
"lllrwlllrwl",
"rrrdwlrrdwl",
"ddddwrdddwr",
"wwwwwwwwwww"],
GLASS: [ // solid with streaks
"gggggggggggg",
"gggSgggggggg",
"ggSgggggggsg",
"gSgggggggsgg",
"ggggggggsggg",
"gggggggggggg",
"gggggggggggg",
"ggggsggggggg",
"gggsgggggggg",
"ggggggggggSg",
"gggggggggSgg",
"gggggggggggg",
],
}
renderPresets = {
HEATGLOW: function(pixel,ctx) {
drawDefault(ctx,pixel);
if (!viewInfo[view].colorEffects) { return }
var max = elements[pixel.element].tempHigh;
var ratio = ((pixel.temp/max*100)|0)/100;
if (ratio < 0.2) { return }
if (ratio > 1) { ratio = 1 }
ratio -= 0.2;
drawSquare(ctx,"hsl("+ratio*60+",100%,50%)",pixel.x,pixel.y,undefined,Math.min(ratio,0.85));
},
WOODCHAR: function(pixel,ctx) {
drawDefault(ctx,pixel);
if (!viewInfo[view].colorEffects) { return }
var max = 400;
var ratio = ((pixel.temp/max*100)|0)/100;
if (ratio < 0.5) { return }
if (ratio > 1) { ratio = 1 }
drawSquare(ctx,"#000000",pixel.x,pixel.y,undefined,Math.min(0.8,(ratio-0.5)*0.8));
},
PLANTCHAR: function(pixel,ctx) {
drawDefault(ctx,pixel);
if (!viewInfo[view].colorEffects) { return }
var max = 80;
var ratio = ((pixel.temp/max*100)|0)/100;
if (ratio < 0.5) { return }
if (ratio > 1) { ratio = 1 }
drawSquare(ctx,"#4d4018",pixel.x,pixel.y,undefined,Math.min(0.8,(ratio-0.5)));
},
CHARCOALHEAT: function(pixel,ctx) {
drawDefault(ctx,pixel);
if (!viewInfo[view].colorEffects) { return }
var max = 1100;
var ratio = ((pixel.temp/max*100)|0)/100;
if (ratio < 0.4) { return }
if (ratio > 1) { ratio = 1 }
drawSquare(ctx,"hsl("+ratio*20+",100%,"+Math.min(90,ratio*70)+"%)",pixel.x,pixel.y,undefined,Math.min(0.7,(ratio-0.4)*0.7));
},
HUESHIFT: function(pixel,ctx) {
if (!pixel.origColor && pixel.color.match(/^rgb/)) {
pixel.origColor = pixel.color.match(/\d+/g);
}
if (!pixel.origColor || !viewInfo[view].effects) {
drawDefault(ctx,pixel);
return;
}
var hsl = RGBToHSL(pixel.origColor);
hsl[0] += 0.05;
hsl[0] -= Math.min(30,(pixelTicks-pixel.start)/1.5)/360;
hsl = "hsl("+hsl[0]*360+","+hsl[1]*100+"%,"+hsl[2]*100+"%)";
drawPlus(ctx,hsl,pixel.x,pixel.y);
},
BORDER: function(pixel,ctx) {
if (!viewInfo[view].colorEffects) { drawDefault(ctx,pixel); return }
renderPresets.HEATGLOW(pixel,ctx);
if (pixel.alpha === 0) return;
let edge = false;
for (var i = 0; i < adjacentCoords.length; i++) {
var coords = adjacentCoords[i];
var x = pixel.x + coords[0];
var y = pixel.y + coords[1];
if (isEmpty(x,y) || (!outOfBounds(x,y) && elements[pixelMap[x][y].element].movable != elements[pixel.element].movable)) {
edge = true;
break;
}
}
if (edge) { drawSquare(ctx,"rgba(255,255,255,"+(pixel.alpha||1)/4+")",pixel.x,pixel.y) }
},
LED: function(pixel,ctx) {
if (!viewInfo[view].colorEffects) { drawDefault(ctx,pixel); return }
let alpha = (pixel.alpha??1);
if (!pixel.charge && !pixel.chargeCD) {
alpha -= 0.75;
alpha = Math.max(0,alpha);
if (alpha === 0) return;
}
else { alpha = 1 }
drawSquare(ctx,pixel.color,pixel.x,pixel.y,undefined,alpha);
}
}
eLists = {
ANIMAL: ["flea","ant","fly","firefly","bee","frog","fish","worm","termite","rat","slug","snail","stink_bug"],
CLEANANIMAL: ["ant","firefly","bee","frog","fish","tadpole"],
SEEDS: ["grass_seed","wheat_seed","flower_seed","bamboo_plant","mushroom_spore","corn_seed","potato_seed","cactus","pumpkin_seed"],
SOIL: ["dirt","mud","sand","wet_sand","clay_soil","clay","mycelium"],
CRAWLTHRU: ["dirt","sand","clay_soil","gravel","mulch","color_sand","grass"],
HIVEPLACE: ["wood","tree_branch","evergreen"]
}
function eListAdd(listName, itemList) {
if (!eLists[listName]) { eLists[listName] = []; }
if (!itemList) { return }
if (typeof itemList === "string") { itemList = [itemList]; }
for (var i = 0; i < itemList.length; i++) {
if (eLists[listName].indexOf(itemList[i]) === -1) {
eLists[listName].push(itemList[i]);
}
}
}
airDensity = settings.airdensity || 1.225; // kg/m^3
airTemp = settings.airtemp || 20; // Celsius
absoluteZero = settings.abszero || -273.15; // Celsius
maxPixelCount = settings.maxpixels || 13365;
function refreshMaxPixels() {
maxPixelCount = settings.maxpixels || 13365;
if (settings.limitless) { settings.maxpixels = 0; }
else { delete settings.maxpixels; }
if (settings.maxpixels === 0) { maxPixelCount = 999999999999; }
}
refreshMaxPixels();
// Element Properties (OUTDATED)
// name - display name of the element [optional]
// color - color of the element's pixel
// behavior - behavior of the element
// ignore - elements to ignore in behavior [must be an array]
// category - category in which the element will show up in
// density - density of the element [only used for movable elements] (kg/m^3)
// state - solid, liquid, or gas [only used for movable elements]
// reactions - instructions for when elements attempt to move onto each other (object)
// conduct - conductivity of the element (0-1)
// behaviorOn - behavior to override when powered
// colorOn - color to change to when powered
// temp - default temperature of the element (Celsius)
// tempHigh - highest temperature before state change (Celsius)
// tempLow - lowest temperature before state change (Celsius)
// stateHigh - element transformed into when tempHigh is reached
// stateLow - element transformed into when tempLow is reached
// viscosity - how slow a liquid will move (higher = slower) (cps)
// burn - chance of burning per tick (0-100) (%)
// burnTime - time to burn (ticks)
// burnInto - element to turn into after burning
// fireColor - color of the flame given off when burning
// burning - whether the element is burning on creation
// charge - charge of the element on creation
// hardness - chance of resisting damage (0-1)
elements = {
"heat": {
color: "#ff0000",
behavior: [
"HT:2|HT:2|HT:2",
"HT:2|HT:2|HT:2",
"HT:2|HT:2|HT:2",
],
tool: function(pixel) {
if (shiftDown) {pixel.temp += elements.heat.temp+(Math.random()*elements.heat.temp*1.5)*20;}
else {pixel.temp += elements.heat.temp+(Math.random()*elements.heat.temp*1.5);}
pixelTempCheck(pixel);
},
temp: 2,
category: "tools",
insulate:true,
canPlace: false,
desc: "Use on pixels to increase temperature."
},
"cool": {
color: "#0000ff",
behavior: [
"CO:2|CO:2|CO:2",
"CO:2|CO:2|CO:2",
"CO:2|CO:2|CO:2",
],
tool: function(pixel) {
if (shiftDown) {pixel.temp += elements.cool.temp+(Math.random()*elements.cool.temp*1.5)*20;}
else {pixel.temp += elements.cool.temp+(Math.random()*elements.cool.temp*1.5);}
pixelTempCheck(pixel);
},
temp: -2,
category: "tools",
insulate:true,
canPlace: false,
desc: "Use on pixels to decrease temperature."
},
"erase": { //hard-coded
color: "#fdb5ff",
behavior: [
"DL|DL|DL",
"DL|DL|DL",
"DL|DL|DL",
],
category: "tools",
canPlace: false,
desc: "Use on pixels to delete them."
},
"drag": {
color: "#c1cfb6",
behavior: [
"XX|XX|XX",
"XX|XX|SW",
"XX|XX|XX",
],
tool: function(pixel) {
if (dragStart === null) {
dragStart = pixelTicks;
draggingPixels = [];
}
if (pixelTicks === dragStart && !pixel.drag && (elements[pixel.element].movable || shiftDown)) {
pixel.drag = true;
draggingPixels.push(pixel);
}
},
onMouseUp: function() {
if (!draggingPixels) { return; }
for (var i = 0; i < draggingPixels.length; i++) {
delete draggingPixels[i].drag;
}
dragStart = null;
draggingPixels = null;
},
onUnselect: function() {
elements.drag.onMouseUp();
},
perTick: function() {
if (!draggingPixels) { return; }
for (var j = 0; j < (shiftDown ? 3 : 1); j++) {
for (var i = 0; i < draggingPixels.length; i++) {
var pixel = draggingPixels[i];
if (pixel.del) { continue }
const x = pixel.x;
const y = pixel.y;
const [mX, mY] = [mousePos.x, mousePos.y];
const empty = checkForEmptyPixels(x, y);
let bestVal = Math.sqrt(Math.pow(mX - x, 2) + Math.pow(mY - y, 2));
let best = null;
for (const pixelPair of empty) {
const x_ = x + pixelPair[0];
const y_ = y + pixelPair[1];
const c = Math.sqrt(Math.pow(mX - x_, 2) + Math.pow(mY - y_, 2));
if (c < bestVal) {
bestVal = c;
best = pixelPair;
}
}
if (best) {
tryMove(pixel, x + best[0], y + best[1], undefined, true);
}
}
}
},
rotatable: true,
category: "tools",
canPlace: false,
darkText: true,
desc: "Use on pixels to move them around."
},
"pick": { //hard-coded
color: ["#fa9b9b","#fae99b","#9bfab7","#9b9dfa"],
behavior: [
"CF|CF|CF",
"CF|DL%5|CF",
"CF|CF|CF",
],
tool: function(pixel){},
category: "tools",
maxSize: 0,
darkText: true,
canPlace: false,
desc: "Use on a pixel to select its element."
},
"mix": { //hard-coded
color: ["#fff4b5","#a6a6a6"],
behavior: [
"SW|SW|SW",
"SW|DL%5|SW",
"SW|SW|SW",
],
tool: function(pixel){},
category: "tools",
darkText: true,
canPlace: false,
desc: "Use on pixels to randomize their position."
},
"lookup": {
color: ["#5e807d","#5e807d","#679e99","#5e807d","#5e807d"],
behavior: behaviors.WALL,
tool: function(pixel) {
if (mouseSize === 1) showInfo(pixel.element);
else if (!lookupTempElements[pixel.element]) lookupTempElements[pixel.element] = true;
},
onMouseDown: function() {
lookupTempElements = {};
},
onMouseUp: function() {
if (Object.keys(lookupTempElements).length === 0) { return; }
if (Object.keys(lookupTempElements).length === 1) { showInfo(Object.keys(lookupTempElements)[0]) }
else { showInfo(Object.keys(lookupTempElements).join(",")) }
lookupTempElements = {};
},
category: "tools",
maxSize: 5,
canPlace: false,
desc: "Use on a pixel to bring up its info screen."
},
"shock": {
color: "#ffff00",
behavior: [
"SH|SH|SH",
"SH|DL%5|SH",
"SH|SH|SH",
],
tool: function(pixel) {
// One loop that repeats 5 times if shiftDown else 1 time
var con = elements[pixel.element].conduct;
if (pixel.temp <= elements[pixel.element].superconductAt) {
con = 1;
}
if (con == undefined) {return}
for (var j = 0; j < (shiftDown ? 5 : 1); j++) {
if (Math.random() < con) { // If random number is less than conductivity
if (!pixel.charge && !pixel.chargeCD) {
pixel.charge = 1;
if (elements[pixel.element].colorOn) {
pixel.color = pixelColorPick(pixel);
}
}
}
else if (elements[pixel.element].insulate != true) { // Otherwise heat the pixel (Resistance simulation)
pixel.temp += 0.25;
pixelTempCheck(pixel);
}
}
},
category: "tools",
darkText: true,
canPlace: false,
desc: "Use on pixels to increase electric charge."
},
"paint": {
color: ["#c27070","#c29c70","#c2c270","#70c270","#70c2c2","#7070c2","#c270c2"],
tool: function(pixel) {
if (!shiftDown) {
pixel.color = pixelColorPick(pixel,currentColor)
}
else {
// convert the hex of currentColor to rgb and set it as a string
var rgb = currentColor.replace("#","").match(/.{1,2}/g);
for (var i = 0; i < rgb.length; i++) {
rgb[i] = parseInt(rgb[i],16);
}
pixel.color = "rgb(" + rgb.join(",") + ")"
}
delete pixel.origColor;
},
customColor: true,
category: "tools",
canPlace: false,
desc: "Use on pixels to change color."
},
"sand": {
color: "#e6d577",
behavior: behaviors.POWDER,
reactions: {
"water":{elem1:"wet_sand",elem2:null},
"salt_water":{elem1:"wet_sand",elem2:"foam"},
"sugar_water":{elem1:"wet_sand",elem2:null},
"seltzer":{elem1:"wet_sand",elem2:null},
"dirty_water":{elem1:"wet_sand",elem2:null},
"pool_water":{elem1:"wet_sand",elem2:null},
"slush":{elem1:"wet_sand",elem2:null},
"soda":{elem1:"wet_sand",elem2:null},
"juice":{elem1:"wet_sand",elem2:null},
"milk":{elem1:"wet_sand",elem2:null},
"chocolate_milk":{elem1:"wet_sand",elem2:null},
"fruit_milk":{elem1:"wet_sand",elem2:null},
"pilk":{elem1:"wet_sand",elem2:null},
"eggnog":{elem1:"wet_sand",elem2:null},
"nut_milk":{elem1:"wet_sand",elem2:null},
"cream":{elem1:"wet_sand",elem2:null},
"vinegar":{elem1:"wet_sand",elem2:null},