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<head>
<title>three.js webgl - materials - cube reflection / refraction [Walt]</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
background:#000;
color:#fff;
padding:0;
margin:0;
overflow:hidden;
font-family:georgia;
text-align:center;
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a { color: #ff0080; text-decoration: none; }
a:hover { color: #0080ff; }
canvas { pointer-events:none; z-index:10; }
#d { text-align:center; margin:1em 0 -7.5em 0; z-index:1000; position:relative; display:block }
.button { background:orange; color:#fff; padding:0.2em 0.5em; cursor:pointer }
.inactive { background:#999; color:#eee }
#oldie { margin-top:11em !important }
</style>
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<body>
<div id="d">
<p><a href="http://threejs.org">Three.js</a> cube mapping demo
<p>Walt Disney head by <a href="http://davidoreilly.com/post/18087489343/disneyhead" target="_blank">David OReilly</a>
<p>Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank">Humus</a>
</div>
<script src="../build/three.min.js"></script>
<script src="js/loaders/BinaryLoader.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, scene, renderer;
var cameraCube, sceneCube;
var mesh, geometry;
var loader;
var pointLight;
var mouseX = 0;
var mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
document.addEventListener('mousemove', onDocumentMouseMove, false);
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 5000 );
camera.position.z = 2000;
cameraCube = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100 );
scene = new THREE.Scene();
sceneCube = new THREE.Scene();
// LIGHTS
var ambient = new THREE.AmbientLight( 0xffffff );
scene.add( ambient );
pointLight = new THREE.PointLight( 0xffffff, 2 );
scene.add( pointLight );
// light representation
var sphere = new THREE.SphereGeometry( 100, 16, 8 );
var mesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffaa00 } ) );
mesh.scale.set( 0.05, 0.05, 0.05 );
pointLight.add( mesh );
var path = "textures/cube/SwedishRoyalCastle/";
var format = '.jpg';
var urls = [
path + 'px' + format, path + 'nx' + format,
path + 'py' + format, path + 'ny' + format,
path + 'pz' + format, path + 'nz' + format
];
var reflectionCube = THREE.ImageUtils.loadTextureCube( urls );
reflectionCube.format = THREE.RGBFormat;
var refractionCube = new THREE.CubeTexture( reflectionCube.image, THREE.CubeRefractionMapping );
refractionCube.format = THREE.RGBFormat;
//var cubeMaterial3 = new THREE.MeshPhongMaterial( { color: 0x000000, specular:0xaa0000, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.25 } );
var cubeMaterial3 = new THREE.MeshLambertMaterial( { color: 0xff6600, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.3 } );
var cubeMaterial2 = new THREE.MeshLambertMaterial( { color: 0xffee00, envMap: refractionCube, refractionRatio: 0.95 } );
var cubeMaterial1 = new THREE.MeshLambertMaterial( { color: 0xffffff, envMap: reflectionCube } )
// Skybox
var shader = THREE.ShaderLib[ "cube" ];
shader.uniforms[ "tCube" ].value = reflectionCube;
var material = new THREE.ShaderMaterial( {
fragmentShader: shader.fragmentShader,
vertexShader: shader.vertexShader,
uniforms: shader.uniforms,
depthWrite: false,
side: THREE.BackSide
} ),
mesh = new THREE.Mesh( new THREE.BoxGeometry( 100, 100, 100 ), material );
sceneCube.add( mesh );
//
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.autoClear = false;
container.appendChild( renderer.domElement );
//
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild( stats.domElement );
//
loader = new THREE.BinaryLoader( true );
document.body.appendChild( loader.statusDomElement );
loader.load( "obj/walt/WaltHead_bin.js", function( geometry ) { createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 ) } );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
cameraCube.aspect = window.innerWidth / window.innerHeight;
cameraCube.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function createScene( geometry, m1, m2, m3 ) {
var s = 15;
var mesh = new THREE.Mesh( geometry, m1 );
mesh.position.z = - 100;
mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
scene.add( mesh );
var mesh = new THREE.Mesh( geometry, m2 );
mesh.position.x = - 900;
mesh.position.z = - 100;
mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
scene.add( mesh );
var mesh = new THREE.Mesh( geometry, m3 );
mesh.position.x = 900;
mesh.position.z = - 100;
mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
scene.add( mesh );
loader.statusDomElement.style.display = "none";
}
function onDocumentMouseMove(event) {
mouseX = ( event.clientX - windowHalfX ) * 4;
mouseY = ( event.clientY - windowHalfY ) * 4;
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var timer = -0.0002 * Date.now();
pointLight.position.x = 1500 * Math.cos( timer );
pointLight.position.z = 1500 * Math.sin( timer );
camera.position.x += ( mouseX - camera.position.x ) * .05;
camera.position.y += ( - mouseY - camera.position.y ) * .05;
camera.lookAt( scene.position );
cameraCube.rotation.copy( camera.rotation );
renderer.render( sceneCube, cameraCube );
renderer.render( scene, camera );
}
</script>
</body>
</html>