Created
October 27, 2015 12:16
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SPE valueOverLifetime Test
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<!DOCTYPE html> | |
<meta charset="UTF-8"> | |
<html> | |
<head> | |
<title>Demo</title> | |
<script language = 'javascript' src = "../examples/js/THREE-r72.js" type = 'text/javascript'></script> | |
<script type="text/javascript" src="../src/SPE.js"></script> | |
<script type="text/javascript" src="../src/helpers/SPE.TypedArrayHelper.js"></script> | |
<script type="text/javascript" src="../src/helpers/SPE.ShaderAttribute.js"></script> | |
<script type="text/javascript" src="../src/shaders/SPE.shaderChunks.js"></script> | |
<script type="text/javascript" src="../src/shaders/SPE.shaders.js"></script> | |
<script type="text/javascript" src="../src/core/SPE.utils.js"></script> | |
<script type="text/javascript" src="../src/core/SPE.Group.js"></script> | |
<script type="text/javascript" src="../src/core/SPE.Emitter.js"></script> | |
<style type="text/css"> | |
body { | |
margin: 0; | |
overflow: hidden; | |
} | |
</style> | |
</head> | |
<body id="body"> | |
<script type='text/javascript'> | |
document.addEventListener("keydown", handleKeyDown, false); | |
var keyArray = []; | |
function handleKeyDown(event) { | |
keyArray.push(event.keyCode); | |
} | |
var width = window.innerWidth; | |
var height = window.innerHeight; | |
var scene = new THREE.Scene(); | |
var renderer = new THREE.WebGLRenderer(); | |
renderer.setSize(width, height); | |
document.body.appendChild(renderer.domElement); | |
var light = new THREE.AmbientLight(0x444444); | |
scene.add(light); | |
var camera = new THREE.OrthographicCamera(width/-2, width/2, height/2, height/-2, 1, 1000); | |
var theta = Math.PI/2; | |
var phi = 0; | |
var radius = 400; | |
var origin = new THREE.Vector3(0,0,0); | |
var factor = 0.01; | |
var geometry = new THREE.PlaneGeometry(700, 700); | |
var material = new THREE.MeshLambertMaterial({color: 0xffffff, side: THREE.DoubleSide}); | |
var plane = new THREE.Mesh(geometry, material); | |
plane.rotation.x = Math.PI/2; | |
scene.add(plane); | |
var smokeGroup0; | |
SPE.valueOverLifetimeLength = 3; | |
function createCloud() { | |
smokeGroup0 = new SPE.Group({ | |
texture: { | |
value: THREE.ImageUtils.loadTexture( '../examples/img/smokeparticle.png' ) | |
} | |
}); | |
var smoke0 = new SPE.Emitter({ | |
particleCount: 200, | |
type: SPE.distributions.DISC, | |
position: { | |
value: new THREE.Vector3(-50,50,0), | |
spread: new THREE.Vector3(0, 0, 0), | |
radius: 50 | |
}, | |
velocity: { | |
value: new THREE.Vector3( 0, 0, 0 ) | |
}, | |
size: { | |
value: 40 | |
}, | |
color: { | |
value: new THREE.Color("rgb(255,0,0)") | |
}, | |
// this rotation is rotating the other emitter as well. | |
// commenting out this rotation will cause the other emitter | |
// (the green one)'s velocity to rotate even though it has no rotation | |
rotation: { | |
axis: new THREE.Vector3(0, 1, 1), | |
angle: Math.PI * 2, | |
static: false, | |
center: new THREE.Vector3(50,0,0) | |
}, | |
activeMultiplier: 1000 | |
}); | |
var smoke1 = new SPE.Emitter({ | |
particleCount: 50, | |
position: { | |
value: new THREE.Vector3(50,50,0), | |
spread: new THREE.Vector3(100, 100, 100) | |
}, | |
velocity: { | |
value: new THREE.Vector3(0,50,0) | |
}, | |
size: { | |
value: 40 | |
}, | |
color: { | |
value: new THREE.Color("rgb(0,255,0)") | |
} | |
}); | |
smokeGroup0.addEmitter(smoke0); | |
smokeGroup0.addEmitter(smoke1); | |
console.log( smoke0 ); | |
console.log( smoke1 ); | |
scene.add(smokeGroup0.mesh); | |
} | |
createCloud(); | |
var render = function() { | |
for(var i=0; i < keyArray.length; i++) { | |
// w | |
if(keyArray[i] == 87) { | |
phi += factor; | |
} | |
// s | |
if(keyArray[i] == 83) { | |
phi -= factor; | |
} | |
// a | |
if(keyArray[i] == 65) { | |
theta += factor; | |
} | |
// d | |
if(keyArray[i] == 68) { | |
theta -= factor; | |
} | |
} | |
keyArray.length = 0; | |
if(phi > Math.PI/2) { | |
phi = Math.PI/2; | |
} | |
if(phi < -Math.PI/2) { | |
phi = -Math.PI/2; | |
} | |
if(theta >= 2*Math.PI) { | |
theta = theta - 2*Math.PI; | |
} | |
if(theta < 0) { | |
theta = theta + 2*Math.PI; | |
} | |
camera.position.x = radius * Math.cos(theta) * Math.cos(phi); | |
camera.position.y = radius * Math.sin(phi); | |
camera.position.z = radius * Math.sin(theta) * Math.cos(phi); | |
camera.lookAt(origin); | |
smokeGroup0.tick(); | |
renderer.render(scene, camera); | |
requestAnimationFrame(render); | |
}; | |
render(); | |
</script> | |
</body> | |
</html> |
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