Connected levers

Developer
Findoff
Size
2,758 Kb
Views
26,312
  1. Connected levers Previews
  2. Connected levers HTML Codes
  3. Connected levers JS Codes

How do I make an connected levers?

What is a connected levers? How do you make a connected levers? This script and codes were developed by Findoff on 03 October 2022, Monday.

Connected levers Previews
IQ Test

Connected levers - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>connected levers</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="js/index.js"></script>
</body>
</html>

Connected levers - Script Codes JS Codes

console.clear();
document.addEventListener('DOMContentLoaded', function(){	/* i love DOM */	var canvas = document.createElement('canvas');	document.body.appendChild(canvas);	document.body.style.padding = '0px';	document.body.style.margin = '0px';	document.body.style.overflow = 'hidden';	/* i love full screen */	var w = canvas.width = window.innerWidth;	var h = canvas.height = window.innerHeight;	var ctx = canvas.getContext('2d');	/* i love bad short opts ^__^ like q or qwe */	var opts = {	};	var gui = new dat.GUI();	function opt(name, value, min, max){	opts[name] = value;	return gui.add(opts, name, min, max);	}	/*	if code.before > ugly -> just.dont.read(below) // below worse...	==== let's begin. ====	*/	class Lever{	constructor(pos, input, len){	this.pos = pos.slice(0);	this.input = input;	this.len = len;	this.b = [0,0];	}	process(){	if(this.input.slice)	[...this.a] = this.input;	else	this.a = this.input.b;	let x = this.a[0] - this.pos[0];	let y = this.a[1] - this.pos[1];	let l = this.len/Math.hypot(x,y) - 1;	this.b[0] = -x*l*opts.mul + this.pos[0];	this.b[1] = -y*l*opts.mul + this.pos[1];	}	render(){	ctx.strokeStyle = '#aaf';	if(opts.showCenters){	ctx.beginPath();	ctx.arc(this.pos[0], this.pos[1], 3, 0,Math.PI*2, 0);	ctx.stroke();	}	ctx.beginPath();	ctx.moveTo(this.a[0], this.a[1]);	ctx.lineTo(this.b[0], this.b[1]);	ctx.stroke();	}	static genFromParent(parent){	let angle = Math.random()*Math.PI*2;	let pos = [	parent.pos[0] + Math.cos(angle) * parent.len/2,	parent.pos[1] + Math.sin(angle) * parent.len/2,	];	return new Lever(pos, parent.b, parent.len);	}	}	function spread(parent, limit){	if(--limit < 0)	return;	for(let i=0; i<opts.spread; ++i){	let t = Lever.genFromParent( parent );	levers.push( t );	spread(t, limit);	}	}	function gen(){	levers.length = 0;	levers.push(new Lever([w/2, h/2], mouse, opts.len));	spread(levers[0], opts.limit);	}	opt('showCenters', false);	opt('mul', 1.1, 0.5, 2).step(0.1);	opt('len', Math.min(w,h)/4, 10, Math.max(w,h)).onChange(gen);	opt('limit', 4, 0, 5).step(1).onChange(gen);	opt('spread', 2, 1, 4).step(1).onChange(gen);	opt('clear', 0.3, 0, 1).step(0.1);	opt('autoMove', false);	let mouse = [w/2, h/2];	let mouseVel = [-4, 1];	let mouseLeave = true;	let levers = [];	gen();	/*	for(let i=0; i<20; ++i)	levers.push( Lever.genFromParent( levers[levers.length*Math.random()>>0] ) );	*/	//levers.push(new Lever([w/2+50, h/2], levers[0].b, 150));	function loop(){	ctx.fillStyle = `rgba(0,0,0, ${opts.clear*opts.clear})`;	ctx.fillRect(0,0, w,h);	if(mouseLeave || opts.autoMove){	let x = mouse[0] + mouseVel[0];	let y = mouse[1] + mouseVel[1];	if( x < 0 || x > w )	mouseVel[0] *= -1;	if( y < 0 || y > h )	mouseVel[1] *= -1;	mouse[0] += mouseVel[0];	mouse[1] += mouseVel[1];	}	for(let lever of levers)	lever.process();	for(let lever of levers)	lever.render();	requestAnimationFrame(loop);	}	loop();	canvas.addEventListener('mousemove', (e)=>{	if( opts.autoMove )	return;	mouse[0] = e.layerX;	mouse[1] = e.layerY;	}, false);	canvas.addEventListener('mouseleave', (e)=>{	mouseLeave = true;	}, false);	canvas.addEventListener('mouseenter', (e)=>{	mouseLeave = false;	}, false);
}, false);
Connected levers - Script Codes
Connected levers - Script Codes
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Developer Findoff
Username findoff
Uploaded October 03, 2022
Rating 3.5
Size 2,758 Kb
Views 26,312
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