html {
	overflow: hidden;
	-ms-touch-action: none;
	-ms-content-zooming: none;
}
body {
	margin: 0;
	padding: 0;
	position: absolute;
	width: 100%;
	height: 100%;
}
#screen {
	position:absolute;
	left: 0;
	top: 0;
	width:100%;
	height: 100%;
	background: #000;
}

<canvas id="screen"></canvas>

/* 
 * ==============================================================
 * javascript experiment
 * http://www.dhteumeuleu.com/
 * Author Gerard Ferrandez - June 2006
 * Javascript released under the MIT license
 * http://www.dhteumeuleu.com/LICENSE.html
 * Last updated: 22 Dec 2012
 * ===============================================================
 */

"use strict";

(function () {
	var scr, ctx, pointer,
	buffer  = new Array(),
	vx = 0,
	vy = 0,
	xb = 0,
	yb = 0,
	Particle = function () {
		this.x  = pointer.X - scr.left;
		this.y  = pointer.Y - scr.top;
		this.vx = vx * .35;
		this.vy = vy * .35;
		this.w = 1;
		if (Math.random() > .8) this.w = 20;
		if (Math.random() > .97) this.w = 100;
	},
	run = function () {
		scr.ctx.clearRect(0, 0, scr.width, scr.height);
		vx -= (pointer.X - xb);
		vy -= (pointer.Y - yb);
		if (pointer.X - xb + pointer.Y - yb === 0) {
			vx += Math.random() * 20 - 10;
			vy += Math.random() * 20 - 10;
			if (Math.random()>.98) {
				vx = Math.random() * 400 - 200;
				vy = Math.random() * 400 - 200;
			}
		}
		vx *= .6;
		vy *= .6;
		xb = pointer.X;
		yb = pointer.Y;
		buffer.push(
			new Particle()
		);
		var N = buffer.length;
		for (var n = 0; n < N; n++) {
			var o = buffer[n];
			if (n > 1) {
				var p = buffer[n - 1];
				var x = p.x;
				var y = p.y;
			} else {
				var x = o.x;
				var y = o.y;
			}
			var c = Math.min(255, Math.round(n * 6));
			ctx.beginPath();
			ctx.moveTo(x, y);
			ctx.lineTo(o.x, o.y);
			ctx.strokeStyle = "rgb("+ c + "," + c + "," + Math.round(c * c * .04) + ")";
			ctx.lineWidth = o.w;
			ctx.lineCap = 'round';
			ctx.stroke();
			ctx.closePath();
			o.x += o.vx;
			o.y += o.vy;
		}
		if (N > 100) buffer.shift();
		// ---- loop ----
		requestAnimFrame(run);
	},
	init = function () {
		/* ---- init script ---- */
		scr = new ge1doot.Screen({
			container: "screen"
		});
		ctx = scr.ctx;
		// ---- init pointer ----
		pointer = new ge1doot.Pointer({});
		pointer.X = scr.width / 2;
		pointer.Y = scr.height / 2;
		/* ---- start engine ---- */
		run();
	}
return {
		load : function () {
			window.addEventListener('load', function () {
				init();
			}, false);
		}
	}
})().load();