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webgl_materials_cubemap_refraction.html
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<!doctype html>
<html lang="en">
<head>
<title>three.js webgl - materials - cube refraction [Lucy]</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;
}
a { color: #ff0080; text-decoration: none; }
a:hover { color: #0080ff; }
canvas { pointer-events:none; z-index:10; }
#d { text-align:center; margin:1em auto -9.5em; z-index:200; position:relative; display:block;
background:rgba(0,0,0,0.5); padding:0.5em; width:400px; border-radius:15px; -webkit-box-shadow: 0px 0px 10px rgba(0,0,0,0.5) }
#oldie { margin-top:15em !important }
</style>
</head>
<body>
<div id="d">
<p><a href="http://github.com/mrdoob/three.js">Three.js</a> cube map refraction demo
<p>Lucy model from <a href="http://graphics.stanford.edu/data/3Dscanrep/">Stanford 3d scanning repository</a>
<p>Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank">Humus</a>
</div>
<script src="../build/Three.js"></script>
<script src="js/Detector.js"></script>
<script src="js/RequestAnimationFrame.js"></script>
<script src="js/Stats.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var FLOOR = -250;
var container, stats;
var camera, scene, renderer;
var cameraCube, sceneCube, cubeTarget;
var mesh, zmesh, lightMesh, geometry;
var loader;
var directionalLight, pointLight;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
init();
animate();
function init() {
container = document.createElement('div');
document.body.appendChild(container);
camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
camera.position.z = 2000;
cameraCube = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
cubeTarget = new THREE.Vector3( 0, 0, 0 );
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
sphere = new THREE.SphereGeometry( 100, 16, 8 );
lightMesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color:0xffaa00 } ) );
lightMesh.position = pointLight.position;
lightMesh.scale.x = lightMesh.scale.y = lightMesh.scale.z = 0.05;
scene.add( lightMesh );
// material samples
var r = "textures/cube/Park3Med/";
var urls = [ r + "px.jpg", r + "nx.jpg",
r + "py.jpg", r + "ny.jpg",
r + "pz.jpg", r + "nz.jpg" ];
var textureCube = THREE.ImageUtils.loadTextureCube( urls, new THREE.CubeRefractionMapping() );
var cubeMaterial3 = new THREE.MeshBasicMaterial( { color: 0xccddff, envMap: textureCube, refractionRatio: 0.98, reflectivity:0.9 } );
var cubeMaterial2 = new THREE.MeshBasicMaterial( { color: 0xccfffd, envMap: textureCube, refractionRatio: 0.985 } );
var cubeMaterial1 = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.98 } )
// Skybox
var shader = THREE.ShaderUtils.lib[ "cube" ];
shader.uniforms[ "tCube" ].texture = textureCube;
var material = new THREE.ShaderMaterial( {
fragmentShader: shader.fragmentShader,
vertexShader: shader.vertexShader,
uniforms: shader.uniforms
} ),
mesh = new THREE.Mesh( new THREE.CubeGeometry( 100000, 100000, 100000 ), material );
mesh.flipSided = true;
sceneCube.add( mesh );
//
renderer = new THREE.WebGLRenderer();
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/lucy/Lucy100k_bin.js', function( geometry ) { createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 ) } );
document.addEventListener('mousemove', onDocumentMouseMove, false);
}
function createScene( geometry, m1, m2, m3 ) {
var s = 1.5, z = - 1000;
var mesh = new THREE.Mesh( geometry, m1 );
mesh.position.z = z;
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 = z;
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 = z;
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();
camera.position.x += ( mouseX - camera.position.x ) * .05;
camera.position.y += ( - mouseY - camera.position.y ) * .05;
camera.lookAt( scene.position );
cubeTarget.x = - camera.position.x;
cubeTarget.y = - camera.position.y;
cubeTarget.z = - camera.position.z;
cameraCube.lookAt( cubeTarget );
lightMesh.position.x = 1500 * Math.cos( timer );
lightMesh.position.z = 1500 * Math.sin( timer );
renderer.clear();
renderer.render( sceneCube, cameraCube );
renderer.render( scene, camera );
}
</script>
</body>
</html>