javascript
/
three.js
镜像自地址 https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<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 {
				font-family: Monospace;
				margin: 0px;
				overflow: hidden;
			}
			#info {
				color: #fff;
				position: absolute;
				top: 10px;
				width: 100%;
				text-align: center;
				z-index: 100;
				display:block;
			}
			#info a {
				color: #ff0080;
				font-weight: bold;
			}
		</style>
	</head>

	<body>

		<div id="container"></div>
		<div id="info">
			<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - cube mapping demo.<br />
			Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank" rel="noopener">Humus</a> Walt Disney head by <a href="http://davidoreilly.com/post/18087489343/disneyhead" target="_blank" rel="noopener">David OReilly</a>
		</div>

		<script src="../build/three.js"></script>

		<script src="js/controls/OrbitControls.js"></script>

		<script src="js/loaders/OBJLoader.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 mesh, geometry;

			var pointLight;

			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;

				//controls
				var controls = new THREE.OrbitControls( camera );
				controls.enableZoom = false;
				controls.enablePan = false;
				controls.minPolarAngle = Math.PI / 4;
				controls.maxPolarAngle = Math.PI / 1.5;

				//cubemap
				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 = new THREE.CubeTextureLoader().load( urls );
				reflectionCube.format = THREE.RGBFormat;

				var refractionCube = new THREE.CubeTextureLoader().load( urls );
				refractionCube.mapping = THREE.CubeRefractionMapping;
				refractionCube.format = THREE.RGBFormat;

				scene = new THREE.Scene();
				scene.background = reflectionCube;

				//lights
				var ambient = new THREE.AmbientLight( 0xffffff );
				scene.add( ambient );

				pointLight = new THREE.PointLight( 0xffffff, 2 );
				scene.add( pointLight );

				//materials
				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 } );

				//models
				var objLoader = new THREE.OBJLoader();

				objLoader.setPath( 'models/obj/walt/' );
				objLoader.load( 'WaltHead.obj', function ( object ) {

					var head = object.children[0];

					head.scale.multiplyScalar( 15 );
					head.position.y = -500;
					head.material = cubeMaterial1;

					var head2 = head.clone();
					head2.position.x = - 900;
					head2.material = cubeMaterial2;

					var head3 = head.clone();
					head3.position.x = 900;
					head3.material = cubeMaterial3;

					scene.add( head, head2, head3 )

				} );

				//renderer
				renderer = new THREE.WebGLRenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				//stats
				stats = new Stats();
				container.appendChild( stats.dom );

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function animate() {

				requestAnimationFrame( animate );
				render();
			}

			function render() {

				renderer.render( scene, camera );
				stats.update();

			}

		</script>

	</body>
</html>