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webgl_materials_normalmap2.html
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<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js webgl - materials - normal map [Lee Perry-Smith]</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 normalmap demo.
<a href="http://www.ir-ltd.net/infinite-3d-head-scan-released/" target="_blank">Lee Perry-Smith</a> head.
<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> or Firefox 4<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;
var directionalLight, pointLight, ambientLight;
var mouseX = 0;
var mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.Camera( 50, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.z = 900;
scene = new THREE.Scene();
// LIGHTS
ambientLight = new THREE.AmbientLight( 0x444444 );
scene.addLight( ambientLight );
pointLight = new THREE.PointLight( 0xffffff );
pointLight.position.z = 600;
scene.addLight( pointLight );
directionalLight = new THREE.DirectionalLight( 0xffffff );
directionalLight.position.x = 1;
directionalLight.position.y = 1;
directionalLight.position.z = - 1;
directionalLight.position.normalize();
scene.addLight( directionalLight );
// material parameters
var ambient = 0x444444, diffuse = 0x888888, specular = 0x080810, shininess = 2;
var shader = THREE.ShaderUtils.lib[ "normal" ];
var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
uniforms[ "tNormal" ].texture = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Infinite-Level_02_Tangent_SmoothUV.jpg" );
uniforms[ "uNormalScale" ].value = - 0.75;
uniforms[ "tDiffuse" ].texture = THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Map-COL.jpg" );
uniforms[ "enableAO" ].value = false;
uniforms[ "enableDiffuse" ].value = true;
uniforms[ "enableSpecular" ].value = false;
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, lights: true };
var material = new THREE.MeshShaderMaterial( parameters );
loader = new THREE.JSONLoader( true );
document.body.appendChild( loader.statusDomElement );
loader.load( { model: "obj/leeperrysmith/LeePerrySmith.js", callback: function( geometry ) { createScene( geometry, 100, material ) } } );
webglRenderer = new THREE.WebGLRenderer();
webglRenderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( webglRenderer.domElement );
if ( statsEnabled ) {
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild( stats.domElement );
}
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
}
function createScene( geometry, scale, material ) {
geometry.computeTangents();
mesh1 = new THREE.Mesh( geometry, material );
mesh1.position.y = - 50;
mesh1.scale.x = mesh1.scale.y = mesh1.scale.z = scale;
scene.addObject( mesh1 );
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;
}
webglRenderer.render( scene, camera );
}
function log( text ) {
var e = document.getElementById("log");
e.innerHTML = text + "<br/>" + e.innerHTML;
}
</script>
</body>
</html>