Files
three.js/examples/webgl_materials.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

229 lines
6.8 KiB
HTML

<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js webgl - materials</title>
<meta charset="utf-8">
<style type="text/css">
body {
font-family: Monospace;
background-color: #000;
margin: 0px;
overflow: hidden;
}
#log { color:#fff; position:absolute; top:50px; text-align:left; display:block; z-index:100; pointer-events:none; }
</style>
</head>
<body>
<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">
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, scene, renderer, objects;
var particleLight, pointLight;
init();
animate();
function init() {
container = document.createElement('div');
document.body.appendChild(container);
camera = new THREE.Camera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
camera.position.y = 200;
camera.position.z = 800;
scene = new THREE.Scene();
// Grid
var line_material = new THREE.LineBasicMaterial( { color: 0xffffff, opacity: 0.2 } ),
geometry = new THREE.Geometry(),
floor = -75, step = 25;
for ( var i = 0; i <= 40; i ++ ) {
geometry.vertices.push( new THREE.Vertex( new THREE.Vector3( - 500, floor, i * step - 500 ) ) );
geometry.vertices.push( new THREE.Vertex( new THREE.Vector3( 500, floor, i * step - 500 ) ) );
geometry.vertices.push( new THREE.Vertex( new THREE.Vector3( i * step - 500, floor, -500 ) ) );
geometry.vertices.push( new THREE.Vertex( new THREE.Vector3( i * step - 500, floor, 500 ) ) );
}
var line = new THREE.Line( geometry, line_material, THREE.LinePieces );
scene.addObject( line );
// Materials
var generatedTexture = new THREE.Texture( generateTexture() );
generatedTexture.needsUpdate = true;
var materials = [];
materials.push( new THREE.MeshLambertMaterial( { map: generatedTexture } ) );
materials.push( new THREE.MeshLambertMaterial( { color: 0xdddddd, shading: THREE.FlatShading } ) );
materials.push( new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0xdddddd, specular: 0x009900, shininess: 30, shading: THREE.FlatShading } ) );
materials.push( new THREE.MeshNormalMaterial( ) );
materials.push( new THREE.MeshBasicMaterial( { color: 0x665500, blending: THREE.AdditiveBlending } ) );
//materials.push( new THREE.MeshBasicMaterial( { color: 0xff0000, blending: THREE.SubtractiveBlending } ) );
materials.push( new THREE.MeshLambertMaterial( { color: 0xdddddd, shading: THREE.SmoothShading } ) );
materials.push( new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0xdddddd, specular: 0x009900, shininess: 30, shading: THREE.SmoothShading } ) );
materials.push( new THREE.MeshNormalMaterial( { shading: THREE.SmoothShading } ) );
materials.push( new THREE.MeshBasicMaterial( { color: 0xffaa00, wireframe: true } ) );
materials.push( new THREE.MeshDepthMaterial() );
materials.push( new THREE.MeshBasicMaterial( { map: generatedTexture } ) );
// Spheres geometry
var geometry_smooth = new THREE.Sphere( 70, 32, 16 );
var geometry_flat = new THREE.Sphere( 70, 32, 16 );
var geometry_pieces = new THREE.Sphere( 70, 32, 16 ); // Extra geometry to be broken down for MeshFaceMaterial
for ( var i = 0, l = geometry_pieces.faces.length; i < l; i ++ ) {
var face = geometry_pieces.faces[ i ];
if ( Math.random() > 0.7 ) face.materials = [ materials[ Math.floor( Math.random() * materials.length ) ] ];
}
materials.push( new THREE.MeshFaceMaterial() );
objects = [];
var sphere, geometry, material;
for ( var i = 0, l = materials.length; i < l; i ++ ) {
material = materials[ i ];
geometry = material instanceof THREE.MeshFaceMaterial ? geometry_pieces :
( material.shading == THREE.FlatShading ? geometry_flat : geometry_smooth );
sphere = new THREE.Mesh( geometry, material );
sphere.position.x = ( i % 4 ) * 200 - 400;
sphere.position.z = Math.floor( i / 4 ) * 200 - 200;
sphere.rotation.x = Math.random() * 200 - 100;
sphere.rotation.y = Math.random() * 200 - 100;
sphere.rotation.z = Math.random() * 200 - 100;
objects.push( sphere );
scene.addObject( sphere );
}
particleLight = new THREE.Mesh( new THREE.Sphere( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
scene.addObject( particleLight );
// Lights
scene.addLight( new THREE.AmbientLight( 0x202020 ) );
var directionalLight = new THREE.DirectionalLight( Math.random() * 0xffffff );
directionalLight.position.x = Math.random() - 0.5;
directionalLight.position.y = Math.random() - 0.5;
directionalLight.position.z = Math.random() - 0.5;
directionalLight.position.normalize();
scene.addLight( directionalLight );
pointLight = new THREE.PointLight( 0xffffff, 1 );
scene.addLight( pointLight );
renderer = new THREE.WebGLRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
container.appendChild( stats.domElement );
}
function generateTexture() {
var canvas = document.createElement( 'canvas' );
canvas.width = 256;
canvas.height = 256;
var context = canvas.getContext( '2d' );
var image = context.getImageData( 0, 0, 256, 256 );
var x = 0, y = 0;
for ( var i = 0, j = 0, l = image.data.length; i < l; i += 4, j ++ ) {
x = j % 256;
y = x == 0 ? y + 1 : y;
image.data[ i + 2 ] = Math.floor( x ^ y );
image.data[ i + 3 ] = 255;
}
context.putImageData( image, 0, 0 );
return canvas;
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var timer = new Date().getTime() * 0.0001;
camera.position.x = Math.cos( timer ) * 1000;
camera.position.z = Math.sin( timer ) * 1000;
for ( var i = 0, l = objects.length; i < l; i++ ) {
var object = objects[ i ];
object.rotation.x += 0.01;
object.rotation.y += 0.005;
}
particleLight.position.x = Math.sin( timer * 7 ) * 300;
particleLight.position.y = Math.cos( timer * 5 ) * 400;
particleLight.position.z = Math.cos( timer * 3 ) * 300;
pointLight.position.x = particleLight.position.x;
pointLight.position.y = particleLight.position.y;
pointLight.position.z = particleLight.position.z;
renderer.render( scene, camera );
}
</script>
</body>
</html>