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webgl_materials_cubemap_balls_refraction.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - materials - cube refraction [balls]</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:#777;
padding:0;
margin:0;
font-weight: bold;
overflow:hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
color: #ffffff;
padding: 5px;
font-family:Monospace;
font-size:13px;
text-align:center;
z-index:1000;
}
a { color: #ffffff; }
#webglmessage a { color:#da0 }
</style>
</head>
<body>
<div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl cube refraction demo. skybox by <a href="http://www.zfight.com/" target="_blank" rel="noopener">Jochum Skoglund</a></div>
<script src="../build/three.js"></script>
<script src="js/WebGL.js"></script>
<script>
if ( WEBGL.isWebGLAvailable() === false ) {
document.body.appendChild( WEBGL.getWebGLErrorMessage() );
}
var container;
var camera, scene, renderer;
var spheres = [];
var mouseX = 0, 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( 60, window.innerWidth / window.innerHeight, 1, 100000 );
camera.position.z = 3200;
scene = new THREE.Scene();
scene.background = new THREE.CubeTextureLoader()
.setPath( 'textures/cube/Park3Med/' )
.load( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );
var geometry = new THREE.SphereBufferGeometry( 100, 32, 16 );
var material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: scene.background, refractionRatio: 0.95 } );
material.envMap.mapping = THREE.CubeRefractionMapping;
for ( var i = 0; i < 500; i ++ ) {
var mesh = new THREE.Mesh( geometry, material );
mesh.position.x = Math.random() * 10000 - 5000;
mesh.position.y = Math.random() * 10000 - 5000;
mesh.position.z = Math.random() * 10000 - 5000;
mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 3 + 1;
scene.add( mesh );
spheres.push( mesh );
}
//
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
//
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 onDocumentMouseMove( event ) {
mouseX = ( event.clientX - windowHalfX ) * 10;
mouseY = ( event.clientY - windowHalfY ) * 10;
}
//
function animate() {
requestAnimationFrame( animate );
render();
}
function render() {
var timer = 0.0001 * Date.now();
for ( var i = 0, il = spheres.length; i < il; i ++ ) {
var sphere = spheres[ i ];
sphere.position.x = 5000 * Math.cos( timer + i );
sphere.position.y = 5000 * Math.sin( timer + i * 1.1 );
}
camera.position.x += ( mouseX - camera.position.x ) * .05;
camera.position.y += ( - mouseY - camera.position.y ) * .05;
camera.lookAt( scene.position );
renderer.render( scene, camera );
}
</script>
</body>
</html>