Files
three.js/examples/materials_shaders.html
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2010-11-15 01:56:10 +00:00

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<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js - Shader test</title>
<meta charset="utf-8">
<style type="text/css">
body {
background:#000;
color:#fff;
padding:0;
margin:0;
overflow:hidden;
font-family:georgia;
text-align:center;
}
h1 { }
a { color:skyblue }
canvas { pointer-events:none; z-index:10; position:relative; }
#log { position:absolute; top:50px; text-align:left; display:block; z-index:100 }
#d { text-align:center; margin:1em 0 -19.7em 0; z-index:0; position:relative; display:block }
.button { background:orange; color:#fff; padding:0.2em 0.5em; cursor:pointer }
.inactive { background:#999; color:#eee }
</style>
</head>
<body>
<div id="d">
<h1>Shader test</h1>
<span id="rcanvas" class="button inactive">2d canvas renderer</span>
<span id="rwebgl" class="button">WebGL renderer</span>
<br/>
<p>Using a modified version of <a href="http://github.com/alteredq/three.js">Three.js</a> by mrdoob.
<br/>
<p>Best viewed in Chrome 8/9 or Firefox 4 using WebGL renderer.
<p>Canvas renderer is very slow on anything other than Chrome.
<p>Blinn-Phong shader only works in WebGL, canvas has only diffuse materials.
</div>
<pre id="log"></pre>
<!--
<script type="text/javascript" src="../build/Three.js"></script>
-->
<script type="text/javascript" src="../src/Three.js"></script>
<script type="text/javascript" src="../src/core/Color.js"></script>
<script type="text/javascript" src="../src/core/Vector2.js"></script>
<script type="text/javascript" src="../src/core/Vector3.js"></script>
<script type="text/javascript" src="../src/core/Vector4.js"></script>
<script type="text/javascript" src="../src/core/Rectangle.js"></script>
<script type="text/javascript" src="../src/core/Matrix3.js"></script>
<script type="text/javascript" src="../src/core/Matrix4.js"></script>
<script type="text/javascript" src="../src/core/Vertex.js"></script>
<script type="text/javascript" src="../src/core/Face3.js"></script>
<script type="text/javascript" src="../src/core/Face4.js"></script>
<script type="text/javascript" src="../src/core/UV.js"></script>
<script type="text/javascript" src="../src/core/Geometry.js"></script>
<script type="text/javascript" src="../src/cameras/Camera.js"></script>
<script type="text/javascript" src="../src/io/Loader.js"></script>
<script type="text/javascript" src="../src/lights/Light.js"></script>
<script type="text/javascript" src="../src/lights/AmbientLight.js"></script>
<script type="text/javascript" src="../src/lights/DirectionalLight.js"></script>
<script type="text/javascript" src="../src/lights/PointLight.js"></script>
<script type="text/javascript" src="../src/objects/Object3D.js"></script>
<script type="text/javascript" src="../src/objects/Mesh.js"></script>
<script type="text/javascript" src="../src/objects/Particle.js"></script>
<script type="text/javascript" src="../src/objects/Line.js"></script>
<script type="text/javascript" src="../src/materials/Material.js"></script>
<script type="text/javascript" src="../src/materials/LineBasicMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshBasicMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshLambertMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshPhongMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshFaceMaterial.js"></script>
<script type="text/javascript" src="../src/materials/ParticleCircleMaterial.js"></script>
<script type="text/javascript" src="../src/materials/ParticleBasicMaterial.js"></script>
<script type="text/javascript" src="../src/materials/Texture.js"></script>
<script type="text/javascript" src="../src/scenes/Scene.js"></script>
<script type="text/javascript" src="../src/renderers/Projector.js"></script>
<script type="text/javascript" src="../src/renderers/CanvasRenderer.js"></script>
<script type="text/javascript" src="../src/renderers/SVGRenderer.js"></script>
<script type="text/javascript" src="../src/renderers/WebGLRenderer.js"></script>
<script type="text/javascript" src="../src/renderers/renderables/RenderableFace3.js"></script>
<script type="text/javascript" src="../src/renderers/renderables/RenderableFace4.js"></script>
<script type="text/javascript" src="../src/renderers/renderables/RenderableParticle.js"></script>
<script type="text/javascript" src="../src/renderers/renderables/RenderableLine.js"></script>
<!--
-->
<script type="text/javascript" src="../src/extras/primitives/Sphere.js"></script>
<script type="text/javascript" src="js/Stats.js"></script>
<script type="text/javascript">
var SCREEN_WIDTH = window.innerWidth;
var SCREEN_HEIGHT = window.innerHeight;
var FLOOR = -250;
var container;
var stats;
var camera;
var scene;
var canvasRenderer, webglRenderer;
var mesh, zmesh, lightMesh, geometry;
var directionalLight, pointLight;
var mouseX = 0;
var mouseY = 0;
var windowHalfX = window.innerWidth >> 1;
var windowHalfY = window.innerHeight >> 1;
var render_canvas = 1, render_gl = 1;
var has_gl = 0;
var bcanvas = document.getElementById("rcanvas");
var bwebgl = document.getElementById("rwebgl");
document.addEventListener('mousemove', onDocumentMouseMove, false);
init();
loop();
render_canvas = !has_gl;
bwebgl.style.display = has_gl ? "inline" : "none";
bcanvas.className = render_canvas ? "button" : "button inactive";
setInterval(loop, 1000/60);
function addMesh( geometry, scale, x, y, z, rx, ry, rz, material ) {
mesh = new THREE.Mesh( geometry, material );
mesh.scale.x = mesh.scale.y = mesh.scale.z = scale;
mesh.position.x = x;
mesh.position.y = y;
mesh.position.z = z;
mesh.rotation.x = rx;
mesh.rotation.y = ry;
mesh.rotation.z = rz;
mesh.overdraw = true;
mesh.updateMatrix();
scene.addObject(mesh);
}
function init() {
container = document.createElement('div');
document.body.appendChild(container);
camera = new THREE.Camera( 75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 100000 );
camera.position.z = 1000;
camera.updateMatrix();
scene = new THREE.Scene();
// LIGHTS
var ambient = new THREE.AmbientLight( 0x101010 );
scene.addLight( ambient );
directionalLight = new THREE.DirectionalLight( 0xffffff, 1.0 );
directionalLight.position.x = 1;
directionalLight.position.y = 1;
directionalLight.position.z = 2;
directionalLight.position.normalize();
scene.addLight( directionalLight );
pointLight = new THREE.PointLight( 0xffffff );
pointLight.position.x = 0;
pointLight.position.y = 0;
pointLight.position.z = 0;
scene.addLight( pointLight );
// light representation
sphere = new Sphere( 100, 16, 8, 1 );
lightMesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffaa00 } ) );
lightMesh.scale.x = lightMesh.scale.y = lightMesh.scale.z = 0.05;
lightMesh.position = pointLight.position;
lightMesh.overdraw = true;
lightMesh.updateMatrix();
scene.addObject(lightMesh);
// material samples
sphere = new Sphere( 100, 32, 32, 1 );
var y1 = 0, y2 = -200;
addMesh( sphere, 1, -600, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x050505, color: 0x000000, specular: 0x555555, shininess: 30 } ) );
addMesh( sphere, 1, -600, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x050505 } ) );
addMesh( sphere, 1, -400, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0xffffff, specular: 0x555555, shininess: 30 } ) );
addMesh( sphere, 1, -400, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0xffffff } ) );
addMesh( sphere, 1, -200, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0xff5500, specular: 0x555555, shininess: 10 } ) );
addMesh( sphere, 1, -200, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0xff5500 } ) );
addMesh( sphere, 1, 0, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0xffaa00, specular: 0x555555, shininess: 30 } ) );
addMesh( sphere, 1, 0, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0xffaa00 } ) );
addMesh( sphere, 1, 200, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x55ff00, specular: 0x555555, shininess: 30 } ) );
addMesh( sphere, 1, 200, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x55ff00 } ) );
addMesh( sphere, 1, 400, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x0055ff, specular: 0x555555, shininess: 30 } ) );
addMesh( sphere, 1, 400, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x0055ff } ) );
addMesh( sphere, 1, 600, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x5500ff, specular: 0x555555, shininess: 30 } ) );
addMesh( sphere, 1, 600, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x5500ff } ) );
if ( render_gl ) {
try {
webglRenderer = new THREE.WebGLRenderer( scene );
webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
container.appendChild( webglRenderer.domElement );
has_gl = 1;
}
catch (e) {
}
}
if( render_canvas ) {
canvasRenderer = new THREE.CanvasRenderer();
canvasRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
container.appendChild( canvasRenderer.domElement );
}
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild( stats.domElement );
bcanvas.addEventListener("click", toggleCanvas, false);
bwebgl.addEventListener("click", toggleWebGL, false);
var loader = new THREE.Loader();
loader.loadAscii( "obj/torus/Torus_slim.js", function( geometry ) { createScene( geometry ) } );
//loader.loadBinary( "obj/torus/Torus_bin.js", function( geometry ) { createScene( geometry ) }, "obj/torus" );
}
function createScene( geometry ) {
var s = 80, t = s + 20, y = 200;
addMesh( geometry, s, -6*t, y, 0, 1.57,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x000000, specular: 0x333333, shininess: 10 } ) );
addMesh( geometry, s, -4*t, y, 0, 1.57,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x888888, specular: 0x333333, shininess: 10 } ) );
addMesh( geometry, s, -2*t, y, 0, 1.57,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0xff5500, shininess: 10 } ) );
addMesh( geometry, s, 0, y, 0, 1.57,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0xffaa00, shininess: 10 } ) );
addMesh( geometry, s, 2*t, y, 0, 1.57,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0x55ff00, shininess: 10 } ) );
addMesh( geometry, s, 4*t, y, 0, 1.57,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0x0055ff, shininess: 10 } ) );
addMesh( geometry, s, 6*t, y, 0, 1.57,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0x5500ff, shininess: 10 } ) );
}
function onDocumentMouseMove(event) {
mouseX = ( event.clientX - windowHalfX );
mouseY = ( event.clientY - windowHalfY );
}
var r = 0;
function loop() {
camera.position.x += ( mouseX - camera.position.x ) * .05;
camera.position.y += ( - mouseY - camera.position.y ) * .05;
camera.updateMatrix();
lightMesh.position.x = 700*Math.cos(r);
lightMesh.position.z = 700*Math.sin(r);
lightMesh.updateMatrix();
r += 0.01;
if ( render_canvas ) canvasRenderer.render( scene, camera );
if ( render_gl && has_gl ) webglRenderer.render( scene, camera );
stats.update();
}
function log(text) {
var e = document.getElementById("log");
e.innerHTML = text + "<br/>" + e.innerHTML;
}
function toggleCanvas() {
render_canvas = !render_canvas;
bcanvas.className = render_canvas ? "button" : "button inactive";
render_gl = !render_canvas;
bwebgl.className = render_gl ? "button" : "button inactive";
if( has_gl )
webglRenderer.domElement.style.display = render_gl ? "block" : "none";
canvasRenderer.domElement.style.display = render_canvas ? "block" : "none";
}
function toggleWebGL() {
render_gl = !render_gl;
bwebgl.className = render_gl ? "button" : "button inactive";
render_canvas = !render_gl;
bcanvas.className = render_canvas ? "button" : "button inactive";
if( has_gl )
webglRenderer.domElement.style.display = render_gl ? "block" : "none";
canvasRenderer.domElement.style.display = render_canvas ? "block" : "none";
}
</script>
</body>
</html>