Elementary cellular automaton

Developer
Findoff
Size
2,685 Kb
Views
42,504
  1. Elementary cellular automaton Previews
  2. Elementary cellular automaton HTML Codes
  3. Elementary cellular automaton JS Codes

How do I make an elementary cellular automaton?

Left click toggle force [0,1], right clear.. What is a elementary cellular automaton? How do you make a elementary cellular automaton? This script and codes were developed by Findoff on 03 October 2022, Monday.

Elementary cellular automaton Previews
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Elementary cellular automaton - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>elementary cellular automaton</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css"> <script src="https://cdnjs.cloudflare.com/ajax/libs/prefixfree/1.0.7/prefixfree.min.js"></script>
</head>
<body> <script src='https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.5.1/dat.gui.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/seedrandom/2.4.2/seedrandom.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Elementary cellular automaton - Script Codes JS Codes

document.addEventListener('DOMContentLoaded', function(){	var canvas = document.createElement('canvas');	document.body.appendChild(canvas);	document.body.style.padding = '0px';	document.body.style.margin = '0px';	document.body.style.overflow = 'hidden';	var w = canvas.width = window.innerWidth;	var h = canvas.height = window.innerHeight;	var ctx = canvas.getContext('2d');	var opts = {	};	var gui = new dat.GUI();	function opt(name, value, min, max){	opts[name] = value;	return gui.add(opts, name, min, max);	}	opt('info', "click (toggle,clear)");	opt('rule', 151, 0, 255).step(1).listen();	opt('next', function(){opts.rule = (opts.rule+1)%256;});	opt('prev', function(){opts.rule = (opts.rule+255)%256;});	opt('animate', false);	opt('seed', 0).listen();	opt('randomSeed', randomSeed);	opt('animateSeed', true);	opt('cellSize', 16, [32,16,8,4]);	opt('alpha', 0.2, [1,0.5,0.2,0.1,0.05,0.01]);	opt('clear', clear);	opt('progress', true);	opt('progressMod', 1, 1, 50).step(1);	var colors = ['#000','#080','#555', '#a00'];	var cells = new Int32Array( (w/4>>0) * (h/4>>0) ), wc, hc;	function randomSeed(){	opts.seed = Math.floor(Math.random()*0x7fffffff);	}	function clear(){	for(var i=0; i<cells.length; ++i)	cells[i] = 0;	}	var frame = 0;	var oldRule = 0;	function progress(){	++frame;	if(opts.progress & opts.rule === oldRule ){	if(frame % opts.progressMod == 0)	for(var i=0; i<wc; ++i)	if(cells[i] < 2)	cells[i] = cells[i+wc] & ~2;	}else{	Math.seedrandom(opts.seed);	for(var i=0; i<wc; ++i){	var v = Math.random() < 0.5 ? 0 : 1;	if(cells[i] < 2)	cells[i] = v;	}	}	oldRule = opts.rule;	var rule = [];	for(var i=0; i<8; ++i)	rule[i] = opts.rule >> i & 1;	for(var y=1; y<hc; ++y){	for(var x=0; x<wc; ++x){	var n1 = (y-1) * wc;	var n2 = y * wc;	if( cells[n2+x] > 1 )	continue;	cells[n2+x] = rule[	( cells[ (x+wc-1)%wc + n1 ] & 1) +	( cells[ (x+wc+0)%wc + n1 ] & 1)*2 +	( cells[ (x+wc+1)%wc + n1 ] & 1)*4	];	}	}	}	function render(){	ctx.globalAlpha = opts.alpha;	wc = Math.ceil(w / opts.cellSize);	hc = Math.ceil(h / opts.cellSize);	var cellSize = opts.cellSize;	progress();	for(var y=0; y<hc; ++y){	for(var x=0; x<wc; ++x){	var n = x + y * wc;	ctx.fillStyle = colors[cells[n]];	ctx.fillRect(x*cellSize, y*cellSize, cellSize, cellSize);	}	}	window.requestAnimationFrame(render);	}	canvas.addEventListener('contextmenu', function(e){e.preventDefault();}, false);	var value = false;	canvas.addEventListener('mousedown', function(e){	var n = (e.layerX/opts.cellSize>>0) + (e.layerY/opts.cellSize>>0)*wc;	value = cells[n] = e.button > 0 ? 0 : (cells[n] | 2)^1;	}, false);	canvas.addEventListener('mouseup', function(e){	value = false;	}, false);	canvas.addEventListener('mousemove', function(e){	if(value === false)	return;	var n = (e.layerX/opts.cellSize>>0) + (e.layerY/opts.cellSize>>0)*wc;	cells[n] = value;	}, false);	clear();	render();	setInterval(function(){	if(opts.animate)	opts.rule = (opts.rule+1) % 256;	if(opts.animateSeed)	randomSeed();	}, 1000)
}, false);
Elementary cellular automaton - Script Codes
Elementary cellular automaton - Script Codes
Home Page Home
Developer Findoff
Username findoff
Uploaded October 03, 2022
Rating 3.5
Size 2,685 Kb
Views 42,504
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