Created
October 7, 2011 21:51
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$(document).ready(function(){ | |
var N = 1000, r = 5; | |
PhiloGL.unpack(); | |
//Create cubes | |
var cubes = []; | |
for(var i=0; i<N; i++) { | |
var cube = new O3D.Cube({}); | |
cube.colors = false; | |
cube.texCoords = false; | |
cube.normals = false; | |
cubes.push(cube); | |
} | |
//Create application | |
PhiloGL('theCanvas', { | |
camera: { | |
position: { | |
x: 0, y: 0, z: 15 | |
} | |
}, | |
onError: function() { | |
alert("There was an error creating the app."); | |
}, | |
onLoad: function(app) { | |
//Unpack app properties | |
var gl = app.gl, | |
scene = app.scene, | |
canvas = app.canvas, | |
camera = app.camera, | |
math = Math, | |
cos = math.cos, | |
sin = math.sin, | |
pi2 = math.PI * 2, | |
pi2n = pi2 / N, | |
raf = Fx.requestAnimationFrame; | |
//Basic gl setup | |
gl.clearColor(1, 1, 1, 1); | |
gl.clearDepth(1.0); | |
gl.enable(gl.DEPTH_TEST); | |
gl.depthFunc(gl.LEQUAL); | |
gl.viewport(0, 0, +canvas.width, +canvas.height); | |
//Add object to the scene | |
scene.add.apply(scene, cubes); | |
//Draw the sceen | |
$("#bodies").html(N); | |
var t0 = Date.now(); | |
var t = 0; | |
var fps = $('#fps'); | |
//Animate | |
draw(); | |
function draw(){ | |
var t1 = Date.now(); | |
fps.html(1000/(t1 - t0)); | |
t0 = t1; | |
gl.viewport(0, 0, +canvas.width, +canvas.height); | |
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
for(var i=0; i<N; i++){ | |
var cube = cubes[i]; | |
cube.position = { | |
x: r * cos(pi2n*i + t*0.001), | |
y: r * sin(pi2n*i + t*0.001), | |
z:-5.0 | |
}; | |
cube.update(); | |
} | |
//render | |
scene.render(); | |
t++; | |
raf(draw); | |
} | |
} | |
}); | |
}); |
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