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misc_lights_test.html
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<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js misc - lights - point + directional</title>
<meta charset="utf-8">
<style type="text/css">
body {
background:#fff;
padding:0;
margin:0;
overflow:hidden;
font-family:georgia;
text-align:center;
}
h1 { }
a { color:skyblue }
canvas { pointer-events:none; z-index:10; }
#log { position:absolute; top:50px; text-align:left; display:block; z-index:100; }
#d { text-align:center; margin:1em 0 -15.7em 0; z-index:0; position:relative; display:block }
.button { background:#000; color:#fff; padding:0.2em 0.5em; cursor:pointer }
.inactive { background:#999; color:#eee }
</style>
</head>
<body>
<div id="d">
<h1>lights test</h1>
<span id="rcanvas" class="button inactive">2d canvas renderer</span>
<span id="rwebgl" class="button">WebGL renderer</span>
<br/>
<p>Best viewed in Chrome 8/9 or Firefox 4 using WebGL renderer.
<p>Canvas renderer is very slow on anything other than Chrome.
</div>
<pre id="log"></pre>
<script type="text/javascript" src="../build/Three.js"></script>
<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
<script type="text/javascript" src="js/Stats.js"></script>
<script type="text/javascript">
var SCREEN_WIDTH = window.innerWidth / 2;
var SCREEN_HEIGHT = window.innerHeight;
var FLOOR = -250;
var container, stats;
var camera, scene, canvasRenderer, webglRenderer;
var mesh, zmesh, lightMesh, geometry;
var directionalLight, pointLight;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
var render_canvas = 1, render_gl = 1;
var has_gl = 0;
var bcanvas = document.getElementById( 'rcanvas' );
var bwebgl = document.getElementById( 'rwebgl' );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
init();
animate();
//render_canvas = !has_gl;
bwebgl.style.display = has_gl ? 'inline' : 'none';
bcanvas.className = render_canvas ? 'button' : 'button inactive';
function init() {
container = document.createElement('div');
document.body.appendChild(container);
camera = new THREE.Camera( 75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 100000 );
camera.position.z = 500;
camera.updateMatrix();
scene = new THREE.Scene();
// Spheres
var geometry = new THREE.Sphere( 100, 16, 8 );
var material = new THREE.MeshLambertMaterial( { color: 0xffffff, shading: THREE.FlatShading } );
for ( var i = 0; i < 30; i ++ ) {
mesh = new THREE.Mesh( geometry, material );
mesh.position.x = 500 * ( Math.random() - 0.5 );
mesh.position.y = 500 * ( Math.random() - 0.5 );
mesh.position.z = 500 * ( Math.random() - 0.5 );
mesh.scale.x = mesh.scale.y = mesh.scale.z = 0.25 * ( Math.random() + 0.5 );
mesh.overdraw = true;
scene.addObject( mesh );
}
// Lights
var ambient = new THREE.AmbientLight( 0x101010 );
scene.addLight( ambient );
directionalLight = new THREE.DirectionalLight( 0xffffff );
directionalLight.position.y = -70;
directionalLight.position.z = 100;
directionalLight.position.normalize();
scene.addLight( directionalLight );
pointLight = new THREE.PointLight( 0xffaa00 );
pointLight.position.x = 0;
pointLight.position.y = 0;
pointLight.position.z = 0;
scene.addLight( pointLight );
lightMesh = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0xffaa00 } ) );
lightMesh.scale.x = lightMesh.scale.y = lightMesh.scale.z = 0.05;
lightMesh.position = pointLight.position;
lightMesh.overdraw = true;
scene.addObject(lightMesh);
if ( render_canvas ) {
canvasRenderer = new THREE.CanvasRenderer();
canvasRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
container.appendChild( canvasRenderer.domElement );
}
if ( render_gl ) {
try {
webglRenderer = new THREE.WebGLRenderer();
webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
webglRenderer.domElement.style.position = "relative";
container.appendChild( webglRenderer.domElement );
has_gl = 1;
} catch (e) {
}
}
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild( stats.domElement );
bcanvas.addEventListener("click", toggleCanvas, false);
bwebgl.addEventListener("click", toggleWebGL, false);
//var loader = new THREE.JSONLoader();
//loader.load( { model: "obj/torus/Torus_slim.js", callback: function( geometry ) { createMesh( geometry ) } } );
var loader = new THREE.BinaryLoader();
loader.load( { model: "obj/torus/Torus_bin.js", callback: function( geometry ) { createMesh( geometry ) } } );
}
function createMesh( geometry ) {
zmesh = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: 0xffffff } ) );
zmesh.position.x = zmesh.position.y = zmesh.position.z = 0;
zmesh.scale.x = zmesh.scale.y = zmesh.scale.z = 100;
zmesh.overdraw = true;
zmesh.updateMatrix();
scene.addObject( zmesh );
}
function onDocumentMouseMove( event ) {
mouseX = ( event.clientX - windowHalfX );
mouseY = ( event.clientY - windowHalfY );
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
var r = 0, counter = 0;
function render() {
counter == 30 ? scene.removeLight( directionalLight ) : counter ++;
camera.position.x += ( mouseX - camera.position.x ) * .05;
camera.position.y += ( - mouseY - camera.position.y ) * .05;
for ( var i = 0, l = scene.objects.length; i < l; i ++ ) {
if ( i%3 == 1 )
scene.objects[i].rotation.x += 0.05;
else if ( i%3 == 2 )
scene.objects[i].rotation.y += 0.05;
else if ( i%3 == 0 )
scene.objects[i].rotation.z += 0.05;
}
lightMesh.position.x = 200 * Math.cos( r );
lightMesh.position.z = 200 * Math.sin( r );
r += 0.1;
if ( render_canvas ) canvasRenderer.render( scene, camera );
if ( render_gl && has_gl ) webglRenderer.render( scene, camera );
}
function log(text) {
var e = document.getElementById("log");
e.innerHTML = text + "<br/>" + e.innerHTML;
}
function toggleCanvas() {
render_canvas = !render_canvas;
bcanvas.className = render_canvas ? "button" : "button inactive";
render_gl = !render_canvas;
bwebgl.className = render_gl ? "button" : "button inactive";
if( has_gl )
webglRenderer.domElement.style.display = render_gl ? "block" : "none";
canvasRenderer.domElement.style.display = render_canvas ? "block" : "none";
}
function toggleWebGL() {
render_gl = !render_gl;
bwebgl.className = render_gl ? "button" : "button inactive";
render_canvas = !render_gl;
bcanvas.className = render_canvas ? "button" : "button inactive";
if( has_gl )
webglRenderer.domElement.style.display = render_gl ? "block" : "none";
canvasRenderer.domElement.style.display = render_canvas ? "block" : "none";
}
</script>
</body>
</html>