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+<!DOCTYPE html>
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+<html lang="en">
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+ <head>
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+ <title>three.js webgl - lights - hemisphere light</title>
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+ <meta charset="utf-8">
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+ <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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+ <style>
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+ body {
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+ background-color: #fff;
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+ color: #111;
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+ margin: 0px;
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+ overflow: hidden;
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+ font-family: Monospace;
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+ font-size: 13px;
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+ }
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+
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+ #info {
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+ position: absolute;
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+ top: 0px; width: 100%;
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+ padding: 5px;
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+ text-align: center;
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+ }
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+
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+ a {
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+ color: #0080ff;
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+ text-decoration: none;
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+ }
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+
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+ a:hover {
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+ color: #f00;
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+ }
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+ #footer { width: 100%; margin: 2em auto; text-align: center; position: absolute; bottom: 0 }
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+ strong { color: red }
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+ </style>
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+ </head>
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+ <body>
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+
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+ <div id="container"></div>
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+ <div id="info">
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+ <a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - webgl hemisphere light example -
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+ flamingo by <a href="http://mirada.com/">mirada</a> from <a href="http://ro.me">rome</a><br/>
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+ </div>
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+ <div id="footer">
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+ press <strong>h</strong> to toggle hemisphere light, <strong>d</strong> to toggle directional light
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+ </div>
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+
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+ <script src="../build/three.js"></script>
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+
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+ <script src="js/Detector.js"></script>
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+ <script src="js/Stats.js"></script>
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+
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+ <script type="x-shader/x-vertex" id="vertexShader">
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+
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+ varying vec3 worldPosition;
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+
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+ void main() {
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+
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+ vec4 mPosition = modelMatrix * vec4( position, 1.0 );
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+
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+ gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
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+ worldPosition = mPosition.xyz;
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+
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+ }
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+
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+ </script>
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+
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+ <script type="x-shader/x-fragment" id="fragmentShader">
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+
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+ uniform vec3 topColor;
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+ uniform vec3 bottomColor;
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+ uniform float offset;
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+ uniform float exponent;
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+
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+ varying vec3 worldPosition;
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+
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+ void main() {
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+
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+ float h = normalize( worldPosition + offset ).y;
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+ gl_FragColor = vec4( mix( bottomColor, topColor, max( pow( h, exponent ), 0.0 ) ), 1.0 );
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+
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+ }
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+
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+ </script>
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+ <script>
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+
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+ if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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+
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+ var camera, scene, renderer, dirLight, hemiLight;
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+ var morphs = [];
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+ var stats;
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+
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+ var clock = new THREE.Clock();
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+
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+ init();
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+ animate();
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+
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+ function init() {
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+
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+ var container = document.getElementById( 'container' );
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+
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+ camera = new THREE.PerspectiveCamera( 30, window.innerWidth / window.innerHeight, 1, 5000 );
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+ camera.position.set( 0, 0, 250 );
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+
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+ scene = new THREE.Scene();
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+
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+ scene.fog = new THREE.Fog( 0xffffff, 1, 5000 );
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+ scene.fog.color.setHSV( 0.6, 0, 1 );
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+
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+ /*
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+ controls = new THREE.TrackballControls( camera );
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+
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+ controls.rotateSpeed = 1.0;
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+ controls.zoomSpeed = 1.2;
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+ controls.panSpeed = 0.8;
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+
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+ controls.noZoom = false;
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+ controls.noPan = false;
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+
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+ controls.staticMoving = true;
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+ controls.dynamicDampingFactor = 0.15;
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+ */
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+
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+ // LIGHTS
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+
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+ hemiLight = new THREE.HemisphereLight( 0xffffff, 0xffffff, 0.6 );
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+ hemiLight.color.setHSV( 0.6, 0.75, 1 );
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+ hemiLight.groundColor.setHSV( 0.095, 0.5, 1 );
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+ hemiLight.position.set( 0, 500, 0 );
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+ scene.add( hemiLight );
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+
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+ //
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+
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+ dirLight = new THREE.DirectionalLight( 0xffffff, 1 );
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+ dirLight.color.setHSV( 0.1, 0.1, 1 );
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+ dirLight.position.set( -1, 1.75, 1 );
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+ dirLight.position.multiplyScalar( 50 );
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+ scene.add( dirLight );
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+
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+ dirLight.castShadow = true;
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+
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+ dirLight.shadowMapWidth = 2048;
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+ dirLight.shadowMapHeight = 2048;
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+
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+ var d = 50;
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+
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+ dirLight.shadowCameraLeft = -d;
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+ dirLight.shadowCameraRight = d;
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+ dirLight.shadowCameraTop = d;
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+ dirLight.shadowCameraBottom = -d;
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+
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+ dirLight.shadowCameraFar = 3500;
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+ dirLight.shadowBias = -0.0001;
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+ dirLight.shadowDarkness = 0.35;
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+ //dirLight.shadowCameraVisible = true;
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+
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+ // GROUND
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+
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+ var groundGeo = new THREE.PlaneGeometry( 10000, 10000 );
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+ var groundMat = new THREE.MeshPhongMaterial( { ambient: 0xffffff, color: 0xffffff, specular: 0x050505, perPixel: true } );
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+ groundMat.color.setHSV( 0.095, 0.5, 1 );
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+
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+ var ground = new THREE.Mesh( groundGeo, groundMat );
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+ ground.rotation.x = -Math.PI/2;
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+ ground.position.y = -33;
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+ scene.add( ground );
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+
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+ ground.receiveShadow = true;
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+
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+ // SKYDOME
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+
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+ var vertexShader = document.getElementById( 'vertexShader' ).textContent;
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+ var fragmentShader = document.getElementById( 'fragmentShader' ).textContent;
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+ var uniforms = {
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+ topColor: { type: "c", value: new THREE.Color( 0x0077ff ) },
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+ bottomColor: { type: "c", value: new THREE.Color( 0xffffff ) },
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+ offset: { type: "f", value: 33 },
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+ exponent: { type: "f", value: 0.6 }
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+ }
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+ uniforms.topColor.value.copy( hemiLight.color );
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+
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+ scene.fog.color.copy( uniforms.bottomColor.value );
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+
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+ var skyGeo = new THREE.SphereGeometry( 4000, 32, 15 );
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+ var skyMat = new THREE.ShaderMaterial( { vertexShader: vertexShader, fragmentShader: fragmentShader, uniforms: uniforms, side: THREE.BackSide } );
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+
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+ var sky = new THREE.Mesh( skyGeo, skyMat );
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+ scene.add( sky );
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+
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+ // MODEL
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+
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+ var loader = new THREE.JSONLoader();
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+
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+ loader.load( "models/animated/flamingo.js", function( geometry ) {
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+
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+ morphColorsToFaceColors( geometry );
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+ geometry.computeMorphNormals();
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+
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+ var material = new THREE.MeshPhongMaterial( { color: 0xffffff, specular: 0xffffff, shininess: 20, morphTargets: true, morphNormals: true, vertexColors: THREE.FaceColors, shading: THREE.FlatShading, perPixel: false } );
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+ var meshAnim = new THREE.MorphAnimMesh( geometry, material );
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+
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+ meshAnim.duration = 1000;
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+
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+ var s = 0.35;
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+ meshAnim.scale.set( s, s, s );
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+ meshAnim.position.y = 15;
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+ meshAnim.rotation.y = -1;
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+
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+ meshAnim.castShadow = true;
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+ meshAnim.receiveShadow = true;
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+
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+ scene.add( meshAnim );
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+ morphs.push( meshAnim );
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+
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+ } );
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+
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+ // RENDERER
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+
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+ renderer = new THREE.WebGLRenderer( { antialias: true } );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ container.appendChild( renderer.domElement );
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+
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+ renderer.setClearColor( scene.fog.color, 1 );
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+
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+ renderer.gammaInput = true;
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+ renderer.gammaOutput = true;
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+ renderer.physicallyBasedShading = true;
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+
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+ renderer.shadowMapEnabled = true;
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+ renderer.shadowMapCullFrontFaces = false;
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+
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+ // STATS
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+
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+ stats = new Stats();
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+ stats.domElement.style.position = 'absolute';
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+ stats.domElement.style.top = '0px';
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+ stats.domElement.style.zIndex = 100;
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+ container.appendChild( stats.domElement );
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+
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+ stats.domElement.children[ 0 ].children[ 0 ].style.color = "#777";
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+ stats.domElement.children[ 0 ].style.background = "transparent";
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+ stats.domElement.children[ 0 ].children[ 1 ].style.display = "none";
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+
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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize, false );
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+ document.addEventListener( 'keydown', onKeyDown, false );
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+
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+ }
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+
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+ function morphColorsToFaceColors( geometry ) {
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+
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+ if ( geometry.morphColors && geometry.morphColors.length ) {
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+
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+ var colorMap = geometry.morphColors[ 0 ];
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+
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+ for ( var i = 0; i < colorMap.colors.length; i ++ ) {
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+
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+ geometry.faces[ i ].color = colorMap.colors[ i ];
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+ THREE.ColorUtils.adjustHSV( geometry.faces[ i ].color, 0, -0.1, 0 );
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+
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+ }
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+
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+ }
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ camera.aspect = window.innerWidth / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ }
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+
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+ function onKeyDown ( event ) {
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+
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+ switch ( event.keyCode ) {
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+
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+ case 72: /*h*/
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+
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+ hemiLight.visible = !hemiLight.visible;
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+ break;
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+
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+ case 68: /*d*/
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+
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+ dirLight.visible = !dirLight.visible;
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+ break;
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+
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+ }
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+
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+ }
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+
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+ //
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+
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+ function animate() {
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+
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+ requestAnimationFrame( animate );
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+
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+ render();
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+ stats.update();
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+
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+ }
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+
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+ function render() {
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+
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+ var delta = clock.getDelta();
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+
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+ //controls.update();
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+
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+ for ( var i = 0; i < morphs.length; i ++ ) {
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+
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+ morph = morphs[ i ];
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+ morph.updateAnimation( 1000 * delta );
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+
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+ }
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+
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ </script>
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+ </body>
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+</html>
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alteredq