<!DOCTYPE HTML>
<html>
<head>
<title>behaviour-rotate</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: #f0f0f0;
margin: 0px;
overflow: hidden;
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
-khtml-user-select: none;
user-select: none;
}
#testCanvas {
background: #000;
}
#press {
top: 2px;
left: 10px;
position: absolute;
text-align: center;
color: #fff;
font-size: 24pt;
}
</style>
</head>
<body>
<canvas id="testCanvas"></canvas>
<div id='press'>
arrow
</div>
<script src="../../lib/requestAnimationFrame.min.js"></script>
<script src="../../lib/stats.min.js"></script>
<script src="//localhost:3001/build/proton.web.js"></script>
<script>
var canvas;
var context;
var proton;
var renderer;
var emitter;
Main();
function Main() {
canvas = document.getElementById("testCanvas");
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
context = canvas.getContext('2d');
createProton();
tick();
canvas.addEventListener('mousemove', mousemoveHandler, false);
}
function createProton() {
proton = new Proton;
emitter = new Proton.Emitter();
emitter.rate = new Proton.Rate(new Proton.Span(8, 12), .02);
emitter.addInitialize(new Proton.Body('image/arrow.png', 28.6, 36.4));
emitter.addInitialize(new Proton.Mass(1));
emitter.addInitialize(new Proton.Life(1.5, 2.2));
emitter.addInitialize(new Proton.Velocity(5, Proton.getSpan(0, 360), 'polar'));
emitter.addBehaviour(new Proton.Rotate());
emitter.addBehaviour(new Proton.Gravity(3));
emitter.addBehaviour(new Proton.Alpha(0.6, 1));
emitter.addBehaviour(new Proton.CrossZone(new Proton.RectZone(0, 0, canvas.width, canvas.height), 'bound'));
emitter.p.x = canvas.width / 2;
emitter.p.y = canvas.height / 2;
proton.addEmitter(emitter);
emitter.emit();
renderer = new Proton.CanvasRenderer(canvas);
renderer.onProtonUpdate = function() {
context.fillStyle = "rgba(0, 0, 0, 0.08)";
context.fillRect(0, 0, canvas.width, canvas.height);
};
proton.addRenderer(renderer);
}
function mousemoveHandler(e) {
if (e.layerX || e.layerX == 0) {
emitter.p.x = e.layerX;
emitter.p.y = e.layerY;
} else if (e.offsetX || e.offsetX == 0) {
emitter.p.x = e.offsetX;
emitter.p.y = e.offsetY;
}
}
function tick() {
requestAnimationFrame(tick);
proton.update();
proton.stats.update(3);
}
</script>
</body>
</html>