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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 - point lights</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: #000;
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+ margin: 0px;
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+ overflow: hidden;
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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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+ color: #ffffff;
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+ padding: 5px;
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+ font-family: Monospace;
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+ font-size: 13px;
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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: #ff0080;
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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: #0080ff;
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+ }
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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://threejs.org" target="_blank">three.js</a> - point lights WebGL demo.<br />
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+ Walt Disney head by <a href="http://davidoreilly.com/post/18087489343/disneyhead" target="_blank">David OReilly</a>
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+ </div>
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+
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+ <script src="../build/three.min.js"></script>
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+ <script src="../examples/js/libs/stats.min.js"></script>
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+ <script src="../examples/js/libs/dat.gui.min.js"></script>
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+ <script src="../examples/js/controls/OrbitControls.js"></script>
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+ <script src="js/Detector.js"></script>
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+
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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,
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+ bulbLight,
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+ object, loader, stats;
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+
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+ var lightTypes = {
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+ "60W Bulb (450 cd)": 450,
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+ "40W Bulb (300 cd)": 300,
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+ "20W Bulb (150 cd)": 120
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+ };
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+
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+ var params = {
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+ exposure: 1.0,
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+ lightType: Object.keys( lightTypes )[0]
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+ };
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+
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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( 50, window.innerWidth / window.innerHeight, 0.1, 100 );
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+ camera.position.z = 7;
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+ camera.position.y = 2;
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+
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+ scene = new THREE.Scene();
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+
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+ var bulbGeometry = new THREE.SphereGeometry( 0.02, 16, 8 );
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+ bulbLight = new THREE.PointLight( 0xffffee, 1, 100, 2 );
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+ bulbLight.add( new THREE.Mesh( bulbGeometry, new THREE.MeshBasicMaterial( { color: 0xffffee } ) ) );
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+ bulbLight.position.set( 0, 2, 0 );
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+ bulbLight.castShadow = true;
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+ scene.add( bulbLight );
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+
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+ var ambientLight = new THREE.AmbientLight( 0xffffee, 0.2 );
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+ scene.add( ambientLight );
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+
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+ var floorMat = new THREE.MeshStandardMaterial( {
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+ roughness: 1.0,
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+ color: 0xffffff,
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+ metalness: 0
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+ });
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+ var textureLoader = new THREE.TextureLoader();
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+ textureLoader.load( "../examples/textures/crate.gif", function( map ) {
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+ map.wrapS = THREE.RepeatWrapping;
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+ map.wrapT = THREE.RepeatWrapping;
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+ map.anisotropy = 4;
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+ map.repeat.set( 12, 12 );
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+ floorMat.map = map;
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+ floorMat.needsUpdate = true;
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+ } );
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+
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+ var cubeMat = new THREE.MeshStandardMaterial( {
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+ roughness: 0.7,
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+ color: 0xffffff,
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+ bumpScale: 0.002,
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+ metalness: 0.2
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+ });
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+ textureLoader.load( "../examples/textures/brick_diffuse.jpg", function( map ) {
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+ map.wrapS = THREE.RepeatWrapping;
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+ map.wrapT = THREE.RepeatWrapping;
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+ map.anisotropy = 4;
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+ map.repeat.set( 1, 1 );
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+ cubeMat.map = map;
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+ cubeMat.needsUpdate = true;
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+ } );
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+ textureLoader.load( "../examples/textures/brick_bump.jpg", function( map ) {
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+ map.wrapS = THREE.RepeatWrapping;
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+ map.wrapT = THREE.RepeatWrapping;
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+ map.anisotropy = 4;
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+ map.repeat.set( 1, 1 );
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+ cubeMat.bumpMap = map;
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+ cubeMat.needsUpdate = true;
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+ } );
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+
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+ var ballMat = new THREE.MeshStandardMaterial( {
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+ roughness: 0,
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+ metalness: 0.0,
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+ color: 0xffffff
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+ });
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+ textureLoader.load( "../examples/textures/planets/earth_atmos_2048.jpg", function( map ) {
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+ map.wrapS = THREE.RepeatWrapping;
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+ map.wrapT = THREE.RepeatWrapping;
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+ map.anisotropy = 4;
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+ map.repeat.set( 1, 1 );
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+ ballMat.map = map;
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+ ballMat.needsUpdate = true;
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+ } );
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+ textureLoader.load( "../examples/textures/planets/earth_specular_2048.jpg", function( map ) {
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+ map.wrapS = THREE.RepeatWrapping;
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+ map.wrapT = THREE.RepeatWrapping;
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+ map.anisotropy = 4;
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+ map.repeat.set( 1, 1 );
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+ ballMat.roughnessMap = map;
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+ ballMat.needsUpdate = true;
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+ } );
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+
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+ var floorGeometry = new THREE.PlaneBufferGeometry( 20, 20 );
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+ var floorMesh = new THREE.Mesh( floorGeometry, floorMat );
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+ floorMesh.receiveShadow = true;
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+ floorMesh.rotation.x = -Math.PI / 2.0;
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+ scene.add( floorMesh );
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+
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+ var ballGeometry = new THREE.SphereGeometry( 0.1213, 16, 8 );
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+ var ballMesh = new THREE.Mesh( ballGeometry, ballMat );
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+ ballMesh.position.set( 1, 0.1213, 1 );
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+ ballMesh.castShadow = true;
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+ scene.add( ballMesh );
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+
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+ var boxGeometry = new THREE.BoxGeometry( 1, 1, 1 );
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+ var boxMesh = new THREE.Mesh( boxGeometry, cubeMat );
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+ boxMesh.position.set( -3, 0.5, -2 );
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+ boxMesh.castShadow = true;
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+ scene.add( boxMesh );
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+
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+ renderer = new THREE.WebGLRenderer();
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+ renderer.physicalLights = true;
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+ renderer.shadowMap.enabled = true;
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+ renderer.toneMapping = THREE.ReinhardToneMapping;
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+ renderer.setPixelRatio( window.devicePixelRatio );
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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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+
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+ var controls = new THREE.OrbitControls( camera, renderer.domElement );
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+ controls.target.set( 0, 0, 0 );
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+ controls.update();
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+
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+ window.addEventListener( 'resize', onWindowResize, false );
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+
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+
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+ var gui = new dat.GUI();
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+
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+ gui.add( params, 'lightType', Object.keys( lightTypes ) );
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+ gui.add( params, 'exposure', 0, 1 );
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+ gui.open();
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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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+ //
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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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+
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+ }
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+
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+ function render() {
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+
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+ renderer.toneMappingExposure = params.exposure;
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+ bulbLight.power = lightTypes[ params.lightType ];
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+
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+ var time = Date.now() * 0.0005;
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+ var delta = clock.getDelta();
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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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Ben Houston