three.proton
Version:
three.Proton is an easily customizable html5 particle engine for three.js
144 lines (120 loc) • 4.36 kB
HTML
<html>
<head>
<title>three.proton - helloworld</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style type="text/css">
body {
font-family: Monospace;
background-color: #fff;
margin: 0;
padding: 0;
overflow: hidden;
}
</style>
</head>
<body>
<div id="container"></div>
<script src="../lib/stats.min.js"></script>
<script src="../lib/three.min.js"></script>
<script src="../build/three.proton.min.js"></script>
<script src="./js/lib/TrackballControls.js"></script>
<script>
var proton, emitter;
var camera, scene, renderer, stats, clock, controls;
init();
function init() {
initScene();
initLights();
initProton();
addStats();
animate();
}
function initScene() {
camera = new THREE.PerspectiveCamera(70, window.innerWidth / window.innerHeight, 1, 1000);
camera.position.z = 500;
scene = new THREE.Scene();
scene.fog = new THREE.Fog(0xffffff, 1, 10000);
clock = new THREE.Clock();
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
window.addEventListener('resize', onWindowResize, false);
}
function initLights() {
var ambientLight = new THREE.AmbientLight(0x101010);
scene.add(ambientLight);
var pointLight = new THREE.PointLight(0xffffff, 2, 1000, 1);
pointLight.position.set(0, 200, 200);
scene.add(pointLight);
}
function addStats() {
stats = new Stats();
stats.showPanel(0);
stats.dom.style.position = 'absolute';
stats.dom.style.left = '0px';
stats.dom.style.top = '0px';
container.appendChild(stats.dom);
}
function initProton() {
proton = new Proton();
proton.addEmitter(createEmitter());
proton.addRender(new Proton.SpriteRender(scene));
//Proton.Debug.drawZone(proton,scene,zone2);
//Proton.Debug.drawEmitter(proton,scene,emitter);
}
function createSprite() {
var map = new THREE.TextureLoader().load("./img/dot.png");
var material = new THREE.SpriteMaterial({
map: map,
color: 0xff0000,
blending: THREE.AdditiveBlending,
fog: true
});
return new THREE.Sprite(material);
}
function createEmitter() {
emitter = new Proton.Emitter();
emitter.rate = new Proton.Rate(new Proton.Span(5, 10), new Proton.Span(.1, .25));
emitter.addInitialize(new Proton.Mass(1));
emitter.addInitialize(new Proton.Radius(100));
emitter.addInitialize(new Proton.Life(2, 4));
emitter.addInitialize(new Proton.Body(createSprite()));
emitter.addInitialize(new Proton.Position(new Proton.BoxZone(100)));
emitter.addInitialize(new Proton.Velocity(200, new Proton.Vector3D(0, 1, 1), 180));
// //emitter.addBehaviour(new Proton.RandomDrift(30, 30, 30, .05));
emitter.addBehaviour(new Proton.Rotate("random", "random"));
emitter.addBehaviour(new Proton.Scale(1, 0.5));
emitter.addBehaviour(new Proton.Alpha(1, 0, Infinity, Proton.easeInQuart));
var zone2 = new Proton.BoxZone(400);
//emitter.addBehaviour(new Proton.CrossZone(zone2, "bound"));
//emitter.addBehaviour(new Proton.Collision(emitter,true));
emitter.addBehaviour(new Proton.Color(0xff0000, 'random', Infinity, Proton.easeOutQuart));
emitter.p.x = 0;
emitter.p.y = 0;
emitter.emit();
return emitter;
}
function animate() {
stats.begin();
requestAnimationFrame(animate);
render();
stats.end();
}
var tha = 0;
function render() {
proton.update();
renderer.render(scene, camera);
//controls.update();
camera.lookAt(scene.position);
tha += .02;
camera.position.x = Math.sin(tha) * 500;
camera.position.z = Math.cos(tha) * 500;
}
function onWindowResize() {
}
</script>
</body>
</html>