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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 - materials - shaders [Phong, Lambert]</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:#000;
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- color:#fff;
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- padding:0;
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- margin:0;
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- overflow:hidden;
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- font-family:georgia;
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- text-align:center;
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- }
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- h1 { }
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- a { color:skyblue }
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- canvas { pointer-events:none; z-index:10; }
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- #d { text-align:center; margin:1em 0 -19.7em 0; z-index:0; position:relative; display:block }
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- .button { background:orange; color:#fff; padding:0.2em 0.5em; cursor:pointer }
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- .inactive { background:#999; color:#eee }
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- </style>
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- </head>
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-
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- <body>
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- <div id="d">
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- <h1>Blinn-Phong / Lambert materials</h1>
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-
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- <span id="rcanvas" class="button inactive">2d canvas renderer</span>
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- <span id="rwebgl" class="button">WebGL renderer</span>
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- <br/>
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-
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- <p><a href="http://threejs.org">Three.js</a> example
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-
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- <br/>
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- <p>Best viewed in Chrome 9 or Firefox 4 using WebGL renderer.
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- <p>Canvas renderer is very slow on anything other than Chrome.
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- <p>Blinn-Phong shader only works in WebGL, canvas has only diffuse materials.
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- </div>
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-
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- <script src="../build/three.min.js"></script>
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-
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- <script src="js/Detector.js"></script>
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- <script src="js/libs/stats.min.js"></script>
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-
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- <script>
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-
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- var SCREEN_WIDTH = window.innerWidth;
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- var SCREEN_HEIGHT = window.innerHeight;
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- var FLOOR = -250;
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-
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- var container, stats;
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-
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- var camera, scene, canvasRenderer, webglRenderer;
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-
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- var mesh, zmesh, lightMesh, geometry;
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-
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- var directionalLight, pointLight;
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-
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- var mouseX = 0, mouseY = 0;
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-
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- var windowHalfX = window.innerWidth / 2;
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- var windowHalfY = window.innerHeight / 2;
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-
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- var render_canvas = 0, render_gl = 1;
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- var has_gl = 0;
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-
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- var bcanvas = document.getElementById( "rcanvas" );
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- var bwebgl = document.getElementById( "rwebgl" );
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-
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- init();
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- animate();
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-
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- render_canvas = !has_gl;
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- bwebgl.style.display = has_gl ? "inline" : "none";
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- bcanvas.className = render_canvas ? "button" : "button inactive";
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-
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- function addMesh( geometry, scale, x, y, z, rx, ry, rz, material ) {
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-
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- mesh = new THREE.Mesh( geometry, material );
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-
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- mesh.scale.set( scale, scale, scale );
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- mesh.position.set( x, y, z );
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- mesh.rotation.set( rx, ry, rz );
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-
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- scene.add( mesh );
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-
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- }
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-
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- function init() {
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-
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- container = document.createElement( 'div' );
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- document.body.appendChild( container );
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-
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- camera = new THREE.PerspectiveCamera( 75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 100000 );
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- camera.position.z = 1000;
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-
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- scene = new THREE.Scene();
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-
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- // LIGHTS
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-
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- var ambient = new THREE.AmbientLight( 0x101010 );
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- scene.add( ambient );
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-
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- directionalLight = new THREE.DirectionalLight( 0xffffff );
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- directionalLight.position.set( 1, 1, 2 ).normalize();
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- scene.add( directionalLight );
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-
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- pointLight = new THREE.PointLight( 0xffffff );
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- scene.add( pointLight );
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-
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- // light representation
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-
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- sphere = new THREE.SphereGeometry( 100, 16, 8 );
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- lightMesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffaa00 } ) );
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- lightMesh.scale.set( 0.05, 0.05, 0.05 );
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- lightMesh.position = pointLight.position;
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- scene.add( lightMesh );
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-
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- // material samples
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-
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- sphere = new THREE.SphereGeometry( 100, 32, 32 );
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-
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- var y1 = 0, y2 = - 200;
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-
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- addMesh( sphere, 1, -600, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x050505, color: 0x000000, specular: 0x555555, shininess: 30 } ) );
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- addMesh( sphere, 1, -600, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x050505 } ) );
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-
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- addMesh( sphere, 1, -400, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0xffffff, specular: 0x555555, shininess: 30 } ) );
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- addMesh( sphere, 1, -400, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0xffffff } ) );
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-
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- addMesh( sphere, 1, -200, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0xff5500, specular: 0x555555, shininess: 10 } ) );
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- addMesh( sphere, 1, -200, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0xff5500 } ) );
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-
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- addMesh( sphere, 1, 0, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0xffaa00, specular: 0x555555, shininess: 30 } ) );
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- addMesh( sphere, 1, 0, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0xffaa00 } ) );
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-
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- addMesh( sphere, 1, 200, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x55ff00, specular: 0x555555, shininess: 30 } ) );
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- addMesh( sphere, 1, 200, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x55ff00 } ) );
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-
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- addMesh( sphere, 1, 400, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x0055ff, specular: 0x555555, shininess: 30 } ) );
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- addMesh( sphere, 1, 400, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x0055ff } ) );
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-
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- addMesh( sphere, 1, 600, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x5500ff, specular: 0x555555, shininess: 30 } ) );
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- addMesh( sphere, 1, 600, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x5500ff } ) );
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-
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- addToruses( new THREE.TorusGeometry( 100, 20, 32, 32 ) );
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-
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- //
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-
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- if ( render_gl ) {
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-
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- try {
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-
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- webglRenderer = new THREE.WebGLRenderer();
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- webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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- webglRenderer.domElement.style.position = "relative";
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- container.appendChild( webglRenderer.domElement );
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- has_gl = 1;
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-
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- } catch (e) {
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-
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- }
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-
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- }
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-
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- canvasRenderer = new THREE.CanvasRenderer();
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- canvasRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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- container.appendChild( canvasRenderer.domElement );
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-
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- //
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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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- bcanvas.addEventListener("click", toggleCanvas, false);
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- bwebgl.addEventListener("click", toggleWebGL, false);
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-
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- document.addEventListener('mousemove', onDocumentMouseMove, false);
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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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-
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- }
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-
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- function onWindowResize() {
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-
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- windowHalfX = window.innerWidth / 2;
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- windowHalfY = window.innerHeight / 2;
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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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- if ( webglRenderer ) webglRenderer.setSize( window.innerWidth, window.innerHeight );
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- if ( canvasRenderer ) canvasRenderer.setSize( window.innerWidth, window.innerHeight );
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-
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- }
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-
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- function addToruses( geometry ) {
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-
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- var s = 0.85, t = s + 100, y = 200, rx = 0;
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-
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- addMesh( geometry, s, -6*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x000000, specular: 0x333333, shininess: 10 } ) );
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- addMesh( geometry, s, -4*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x888888, specular: 0x333333, shininess: 10 } ) );
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- addMesh( geometry, s, -2*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0xff5500, shininess: 10 } ) );
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- addMesh( geometry, s, 0, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0xffaa00, shininess: 10 } ) );
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- addMesh( geometry, s, 2*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0x55ff00, shininess: 10 } ) );
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- addMesh( geometry, s, 4*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0x0055ff, shininess: 10 } ) );
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- addMesh( geometry, s, 6*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0x5500ff, shininess: 10 } ) );
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-
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- }
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-
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-
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- function onDocumentMouseMove(event) {
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-
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- mouseX = ( event.clientX - windowHalfX );
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- mouseY = ( event.clientY - windowHalfY );
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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 timer = -0.0002 * Date.now();
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-
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- camera.position.x += ( mouseX - camera.position.x ) * .05;
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- camera.position.y += ( - mouseY - camera.position.y ) * .05;
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-
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- camera.lookAt( scene.position );
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-
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- lightMesh.position.x = 700 * Math.cos( timer );
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- lightMesh.position.z = 700 * Math.sin( timer );
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-
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- if ( render_canvas ) canvasRenderer.render( scene, camera );
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- if ( render_gl && has_gl ) webglRenderer.render( scene, camera );
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-
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- }
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-
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- function toggleCanvas() {
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-
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- render_canvas = !render_canvas;
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- bcanvas.className = render_canvas ? "button" : "button inactive";
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-
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- render_gl = !render_canvas;
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- bwebgl.className = render_gl ? "button" : "button inactive";
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-
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- if( has_gl )
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- webglRenderer.domElement.style.display = render_gl ? "block" : "none";
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-
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- canvasRenderer.domElement.style.display = render_canvas ? "block" : "none";
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-
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- }
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-
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- function toggleWebGL() {
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-
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- render_gl = !render_gl;
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- bwebgl.className = render_gl ? "button" : "button inactive";
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-
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- render_canvas = !render_gl;
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- bcanvas.className = render_canvas ? "button" : "button inactive";
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-
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- if( has_gl )
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- webglRenderer.domElement.style.display = render_gl ? "block" : "none";
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-
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- canvasRenderer.domElement.style.display = render_canvas ? "block" : "none";
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-
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- }
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- </script>
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-
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- </body>
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-</html>
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Mr.doob