<!DOCTYPE HTML>
<html>
<head>
<title>sparks-drugs</title>
<meta name="viewport" id="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<meta charset="utf-8">
<style type="text/css">
body {
font-family: Monospace;
background-color: #333;
margin: 0px;
overflow: hidden;
}
#container {
width: 1003px;
height: 610px;
margin-top: 50px;
margin-left: -501px;
left: 50%;
position: absolute;
}
#testCanvas {
background: #000;
}
.shadow {
box-shadow: 0 0 25px #000;
}
</style>
</head>
<body>
<div id="container" class="shadow">
<canvas id="testCanvas"></canvas>
</div>
<script src="../../lib/requestAnimationFrame.min.js"></script>
<script src="../../lib/stats.min.js"></script>
<script src="../../lib/TweenLite.min.js"></script>
<script src="//localhost:3001/build/proton.web.js"></script>
<script>
var canvas;
var context;
var proton;
var renderer;
var emitter;
var stats, scale;
main();
function main() {
initCanvas();
addStats();
loadImage();
}
function initCanvas() {
canvas = document.getElementById("testCanvas");
canvas.width = 1003;
canvas.height = 610;
context = canvas.getContext('2d');
context.globalCompositeOperation = "lighter";
canvas.addEventListener('mousedown', mouseDownHandler, false);
}
function loadImage() {
var image = new Image()
image.onload = function (e) {
createProton(e.target);
tick();
}
image.src = 'image/particle.png';
}
function addStats() {
stats = new Stats();
stats.setMode(2);
stats.domElement.style.position = 'absolute';
stats.domElement.style.left = '0px';
stats.domElement.style.top = '0px';
document.getElementById('container').appendChild(stats.domElement);
}
function createProton(image) {
proton = new Proton;
emitter = new Proton.Emitter();
emitter.rate = new Proton.Rate(new Proton.Span(5, 10), new Proton.Span(.05, .2));
emitter.addInitialize(new Proton.Body(image));
emitter.addInitialize(new Proton.Mass(1));
emitter.addInitialize(new Proton.Life(2, 4));
emitter.addInitialize(new Proton.V(new Proton.Span(0.5, 1.5), new Proton.Span(0, 360), 'polar'));
emitter.addBehaviour(new Proton.Alpha(1, [.7, 1]));
scale = new Proton.Scale(1, 0);
emitter.addBehaviour(scale);
emitter.addBehaviour(new Proton.Color('random', 'random', Infinity, Proton.easeInSine));
emitter.p.x = canvas.width / 2;
emitter.p.y = canvas.height / 2;
emitter.emit();
proton.addEmitter(emitter);
renderer = new Proton.CanvasRenderer(canvas);
proton.addRenderer(renderer);
}
function mouseDownHandler(e) {
scale.reset(3, 0);
setTimeout(function () {
scale.reset(1, 0);
}, 800);
}
function tick() {
requestAnimationFrame(tick);
stats.begin();
proton.update();
stats.end();
}
</script>
</body>
</html>