Files
three.js/examples/webgl_materials_shaders.html
T
Mr.doob 76e7ea3461 Added namespace to all the objects that missed it (geometries, uniforms, etc)
WebGLRenderer antialias is off by default (considering Firefox doesn't support it...)
Formatting clean up here and there
2011-04-09 12:38:39 +01:00

294 lines
9.7 KiB
HTML

<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js webgl - materials - shaders [Phong, Lambert]</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; }
#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>Blinn-Phong / Lambert materials</h1>
<span id="rcanvas" class="button inactive">2d canvas renderer</span>
<span id="rwebgl" class="button">WebGL renderer</span>
<br/>
<p><a href="http://github.com/mrdoob/three.js">Three.js</a> example
<br/>
<p>Best viewed in Chrome 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="js/Detector.js"></script>
<script type="text/javascript" src="js/RequestAnimationFrame.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, stats;
var camera, scene, canvasRenderer, webglRenderer;
var mesh, zmesh, lightMesh, geometry;
var directionalLight, pointLight;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
var render_canvas = 1, render_gl = 1;
var has_gl = 0;
var bcanvas = document.getElementById("rcanvas");
var bwebgl = document.getElementById("rwebgl");
init();
animate();
render_canvas = !has_gl;
bwebgl.style.display = has_gl ? "inline" : "none";
bcanvas.className = render_canvas ? "button" : "button inactive";
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 );
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 THREE.Sphere( 100, 16, 8 );
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 THREE.Sphere( 100, 32, 32 );
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();
webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
webglRenderer.domElement.style.position = "relative";
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.JSONLoader();
loader.load( { model: "obj/torus/Torus_slim.js", callback: function( geometry ) { createScene( geometry ) } } );
//var loader = new THREE.BinaryLoader();
//loader.load( { model: "obj/torus/Torus_bin.js", callback: function( geometry ) { createScene( geometry ) } } );
document.addEventListener('mousemove', onDocumentMouseMove, false);
}
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 );
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var timer = - new Date().getTime() * 0.0002;
camera.position.x += ( mouseX - camera.position.x ) * .05;
camera.position.y += ( - mouseY - camera.position.y ) * .05;
camera.updateMatrix();
lightMesh.position.x = 700*Math.cos( timer );
lightMesh.position.z = 700*Math.sin( timer );
lightMesh.updateMatrix();
if ( render_canvas ) canvasRenderer.render( scene, camera );
if ( render_gl && has_gl ) webglRenderer.render( scene, camera );
}
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>