Files
three.js/examples/webgl_materials_normalmap.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

256 lines
7.2 KiB
HTML

<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js webgl - materials - normal map</title>
<meta charset="utf-8">
<style type="text/css">
body {
background:#000;
color:#fff;
padding:0;
margin:0;
font-weight: bold;
overflow:hidden;
}
a { color: #ffffff; }
#info {
position: absolute;
top: 0px; width: 100%;
color: #ffffff;
padding: 5px;
font-family:Monospace;
font-size:13px;
text-align:center;
z-index:1000;
}
#oldie {
background:rgb(200,100,0) !important;
color:#fff;
}
#vt { display:none }
#vt, #vt a { color:orange; }
.code { }
#log { position:absolute; top:50px; text-align:left; display:block; z-index:100 }
</style>
</head>
<body>
<pre id="log"></pre>
<div id="info">
<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - webgl (<span id="description">normal + ao + displacement</span>) map demo.
ninja head from <a href="http://developer.amd.com/archive/gpu/MeshMapper/pages/default.aspx" target="_blank">AMD GPU MeshMapper</a>
<div id="vt">displacement mapping needs vertex textures (GPU with Shader Model 3.0)<br/>
on Windows use <span class="code">Chrome --use-gl=desktop</span> <br/>
or Firefox 4 (about:config => webgl.mochitest_native_gl=true)<br/>
please star this <a href="http://code.google.com/p/chromium/issues/detail?id=52497">Chrome issue</a> to get ANGLE support
</div>
</div>
<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 statsEnabled = true;
var container, stats, loader;
var camera, scene, webglRenderer;
var mesh, zmesh, lightMesh, geometry;
var mesh1, mesh2;
var directionalLight, pointLight, ambientLight;
var mouseX = 0;
var mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
var r = 0.0;
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
init();
animate();
function init() {
container = document.createElement('div');
document.body.appendChild(container);
camera = new THREE.Camera( 60, window.innerWidth / window.innerHeight, 1, 100000 );
camera.projectionMatrix = THREE.Matrix4.makeOrtho( window.innerWidth / - 2, window.innerWidth / 2, window.innerHeight / 2, window.innerHeight / - 2, -10000, 10000 );
camera.position.z = 6200;
scene = new THREE.Scene();
// LIGHTS
ambientLight = new THREE.AmbientLight( 0x111111 );
scene.addLight( ambientLight );
pointLight = new THREE.PointLight( 0xffff55 );
pointLight.position.z = 10000;
scene.addLight( pointLight );
directionalLight = new THREE.DirectionalLight( 0xaaaa88 );
directionalLight.position.x = 1;
directionalLight.position.y = 1;
directionalLight.position.z = 0.5;
directionalLight.position.normalize();
scene.addLight( directionalLight );
// light representation
var sphere = new THREE.Sphere( 100, 16, 8 );
lightMesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color:0xffaa00 } ) );
lightMesh.position = pointLight.position;
lightMesh.scale.x = lightMesh.scale.y = lightMesh.scale.z = 0.05;
scene.addObject(lightMesh);
// common material parameters
var ambient = 0x050505, diffuse = 0x555555, specular = 0xaa6600, shininess = 10, scale = 23;
// normal map shader
var shader = THREE.ShaderUtils.lib[ "normal" ];
var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
uniforms[ "enableAO" ].value = true;
uniforms[ "enableDiffuse" ].value = false;
uniforms[ "tNormal" ].texture = THREE.ImageUtils.loadTexture( "textures/normal/ninja/normal.jpg" );
uniforms[ "tAO" ].texture = THREE.ImageUtils.loadTexture( "textures/normal/ninja/ao.jpg" );
uniforms[ "tDisplacement" ].texture = THREE.ImageUtils.loadTexture( "textures/normal/ninja/displacement.jpg" );
uniforms[ "uDisplacementBias" ].value = - 0.428408 * scale;
uniforms[ "uDisplacementScale" ].value = 2.436143 * scale;
uniforms[ "uPointLightPos" ].value = pointLight.position;
uniforms[ "uPointLightColor" ].value = pointLight.color;
uniforms[ "uDirLightPos" ].value = directionalLight.position;
uniforms[ "uDirLightColor" ].value = directionalLight.color;
uniforms[ "uAmbientLightColor" ].value = ambientLight.color;
uniforms[ "uDiffuseColor" ].value.setHex( diffuse );
uniforms[ "uSpecularColor" ].value.setHex( specular );
uniforms[ "uAmbientColor" ].value.setHex( ambient );
uniforms[ "uShininess" ].value = shininess;
var parameters = { fragmentShader: shader.fragmentShader, vertexShader: shader.vertexShader, uniforms: uniforms };
var material1 = new THREE.MeshShaderMaterial( parameters );
var material2 = new THREE.MeshPhongMaterial( { color: diffuse, specular: specular, ambient: ambient, shininess: shininess } );
loader = new THREE.BinaryLoader( true );
document.body.appendChild( loader.statusDomElement );
loader.load( { model: "obj/ninja/NinjaLo_bin.js", callback: function( geometry ) { createScene( geometry, scale, material1, material2 ) } } );
webglRenderer = new THREE.WebGLRenderer();
webglRenderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( webglRenderer.domElement );
var description = "normal + ao" + ( webglRenderer.supportsVertexTextures() ? " + displacement" : " + <strike>displacement</strike>" );
document.getElementById( "description" ).innerHTML = description;
document.getElementById( "vt" ).style.display = webglRenderer.supportsVertexTextures() ? "none" : "block";
if ( statsEnabled ) {
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild( stats.domElement );
}
}
function createScene( geometry, scale, material1, material2 ) {
geometry.computeTangents();
mesh1 = THREE.SceneUtils.addMesh( scene, geometry, scale, -scale * 12, 0, 0, 0,0,0, material1 );
mesh2 = THREE.SceneUtils.addMesh( scene, geometry, scale, scale * 12, 0, 0, 0,0,0, material2 );
loader.statusDomElement.style.display = "none";
}
function onDocumentMouseMove(event) {
mouseX = ( event.clientX - windowHalfX ) * 10;
mouseY = ( event.clientY - windowHalfY ) * 10;
}
//
function animate() {
requestAnimationFrame( animate );
render();
if ( statsEnabled ) stats.update();
}
function render() {
var ry = mouseX * 0.0003, rx = mouseY * 0.0003;
if( mesh1 ) {
mesh1.rotation.y = ry;
mesh1.rotation.x = rx;
}
if( mesh2 ) {
mesh2.rotation.y = ry;
mesh2.rotation.x = rx;
}
lightMesh.position.x = 2500 * Math.cos( r );
lightMesh.position.z = 2500 * Math.sin( r );
r += 0.01;
webglRenderer.render( scene, camera );
}
function log( text ) {
var e = document.getElementById("log");
e.innerHTML = text + "<br/>" + e.innerHTML;
}
</script>
</body>
</html>