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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);
box-shadow: 0px 0px 10px rgba(0,0,0,0.5)
}
#webglmessage { margin-top:15em !important }
</style>
</head>
<body>
<div id="d">
<p><a href="http://threejs.org">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" rel="noopener">Humus</a>
</div>
<script src="../build/three.js"></script>
<script src="js/loaders/PLYLoader.js"></script>
<script src="js/WebGL.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( WEBGL.isWebGLAvailable() === false ) {
document.body.appendChild( WEBGL.getWebGLErrorMessage() );
}
var container, stats;
var camera, scene, renderer;
var 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 = - 4000;
//
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 = new THREE.CubeTextureLoader().load( urls );
textureCube.mapping = THREE.CubeRefractionMapping;
scene = new THREE.Scene();
scene.background = textureCube;
// 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.SphereBufferGeometry( 100, 16, 8 );
var mesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
mesh.scale.set( 0.05, 0.05, 0.05 );
pointLight.add( mesh );
// material samples
var cubeMaterial3 = new THREE.MeshPhongMaterial( { color: 0xccddff, envMap: textureCube, refractionRatio: 0.98, reflectivity: 0.9 } );
var cubeMaterial2 = new THREE.MeshPhongMaterial( { color: 0xccfffd, envMap: textureCube, refractionRatio: 0.985 } );
var cubeMaterial1 = new THREE.MeshPhongMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.98 } );
//
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
stats = new Stats();
container.appendChild( stats.dom );
var loader = new THREE.PLYLoader();
loader.load( 'models/ply/binary/Lucy100k.ply', function ( geometry ) {
createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 );
} );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function createScene( geometry, m1, m2, m3 ) {
geometry.computeVertexNormals();
var s = 1.5;
var mesh = new THREE.Mesh( geometry, m1 );
mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
scene.add( mesh );
var mesh = new THREE.Mesh( geometry, m2 );
mesh.position.x = - 1500;
mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
scene.add( mesh );
var mesh = new THREE.Mesh( geometry, m3 );
mesh.position.x = 1500;
mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
scene.add( mesh );
}
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 );
pointLight.position.x = 1500 * Math.cos( timer );
pointLight.position.z = 1500 * Math.sin( timer );
renderer.render( scene, camera );
}
</script>
</body>
</html>