THREE.js代码备份——webgl - materials - cube refraction [balls](以上下左右前后6张图片构成立体场景、透明球体效果)
<!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;
} #oldie a { color:#da0 }
</style>
</head> <body>
<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - webgl cube refraction demo. skybox by <a href="http://www.zfight.com/" target="_blank">Jochum Skoglund</a></div> <script src="../build/three.js"></script> <script src="js/Detector.js"></script> <script> if ( ! Detector.webgl ) Detector.addGetWebGLMessage(); var container; var camera, scene, renderer; var mesh, lightMesh, geometry;
var spheres = []; var directionalLight, pointLight;
var zoom=0;
var mouseX = 0, mouseY = 0; var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2; document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener( 'mousewheel', onMouseWheel, 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( 60, 32, 16 ); var textureCube = new THREE.CubeTextureLoader()
.setPath( 'textures/cube/Park3Med/' )
.load( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );
textureCube.mapping = THREE.CubeRefractionMapping; var material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.95 } ); 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 onMouseWheel(event){
if(event.wheelDelta > 0){ //前滚
zoom-=100;
}else
{
zoom+=100;
}
} 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.x =5000*Math.cos( timer + i );
sphere.position.y -= 500 *0.01;
if( sphere.position.y<-5000){
sphere.position.y=5000;
} } camera.position.x += ( -mouseX - camera.position.x ) * .05;
camera.position.y += ( mouseY - camera.position.y ) * .05;
camera.position.z+=zoom;
zoom=0.0;
camera.lookAt( scene.position );
renderer.render( scene, camera ); } </script> </body>
</html>
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