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webgl_materials_normalmap.html
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webgl_materials_normalmap.html
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<!doctype html>
<html lang="en">
<head>
<title>three.js webgl - materials - normal map</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
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; }
</style>
</head>
<body>
<div id="info">
<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - webgl (<span id="description">normal + ao + displacement + environment + shadow</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)</div>
</div>
<script src="../build/Three.js"></script>
<script src="js/Detector.js"></script>
<script src="js/Stats.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var statsEnabled = true;
var container, stats, loader;
var camera, scene, renderer;
var mesh, zmesh, lightMesh, geometry;
var mesh1, mesh2;
var spotLight, 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 );
scene = new THREE.Scene();
// CAMERA
camera = new THREE.OrthographicCamera( window.innerWidth / - 2, window.innerWidth / 2, window.innerHeight / 2, window.innerHeight / - 2, -10000, 10000 );
camera.position.z = 1500;
scene.add( camera );
// LIGHTS
ambientLight = new THREE.AmbientLight( 0x111111 );
scene.add( ambientLight );
pointLight = new THREE.PointLight( 0xff0000 );
pointLight.position.z = 10000;
pointLight.distance = 4000;
scene.add( pointLight );
pointLight2 = new THREE.PointLight( 0xff5500 );
pointLight2.position.z = 1000;
pointLight2.distance = 2000;
scene.add( pointLight2 );
pointLight3 = new THREE.PointLight( 0x0000ff );
pointLight3.position.x = -1000;
pointLight3.position.z = 1000;
pointLight3.distance = 2000;
scene.add( pointLight3 );
spotLight = new THREE.SpotLight( 0xaaaaaa );
spotLight.position.set( 1000, 500, 1000 );
spotLight.castShadow = true;
spotLight.shadowCameraNear = 500;
spotLight.shadowCameraFov = 70;
spotLight.shadowBias = 0.001;
spotLight.shadowMapWidth = 1024;
spotLight.shadowMapHeight = 1024;
scene.add( spotLight );
directionalLight2 = new THREE.DirectionalLight( 0xaaff33, 0 );
directionalLight2.position.set( -1, 1, 0.5 ).normalize();
//scene.add( directionalLight2 );
directionalLight3 = new THREE.DirectionalLight( 0xaaff33 );
directionalLight3.position.set( -1, 1, 0.5 ).normalize();
//scene.add( directionalLight3 );
// light representation
var sphere = new THREE.SphereGeometry( 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.add( lightMesh );
var path = "textures/cube/SwedishRoyalCastle/";
var format = '.jpg';
var urls = [
path + 'px' + format, path + 'nx' + format,
path + 'py' + format, path + 'ny' + format,
path + 'pz' + format, path + 'nz' + format
];
var reflectionCube = THREE.ImageUtils.loadTextureCube( urls );
// common material parameters
var ambient = 0x050505, diffuse = 0x331100, specular = 0xffffff, 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[ "enableSpecular" ].value = false;
uniforms[ "enableReflection" ].value = true;
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[ "uDiffuseColor" ].value.setHex( diffuse );
uniforms[ "uSpecularColor" ].value.setHex( specular );
uniforms[ "uAmbientColor" ].value.setHex( ambient );
uniforms[ "uShininess" ].value = shininess;
uniforms[ "tCube" ].texture = reflectionCube;
uniforms[ "uReflectivity" ].value = 0.1;
uniforms[ "uDiffuseColor" ].value.convertGammaToLinear();
uniforms[ "uSpecularColor" ].value.convertGammaToLinear();
uniforms[ "uAmbientColor" ].value.convertGammaToLinear();
var parameters = { fragmentShader: shader.fragmentShader, vertexShader: shader.vertexShader, uniforms: uniforms, lights: true, fog: false };
var material1 = new THREE.ShaderMaterial( parameters );
var material2 = new THREE.MeshPhongMaterial( { color: diffuse, specular: specular, ambient: ambient, shininess: shininess, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.1 } );
//
loader = new THREE.BinaryLoader( true );
document.body.appendChild( loader.statusDomElement );
loader.load( "obj/ninja/NinjaLo_bin.js", function( geometry ) { createScene( geometry, scale, material1, material2 ) } );
//
renderer = new THREE.WebGLRenderer( { maxLights: 8 } );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
//
renderer.gammaInput = true;
renderer.gammaOutput = true;
renderer.physicallyBasedShading = true;
//
renderer.shadowMapEnabled = true;
renderer.shadowMapSoft = true;
//
var description = "normal + ao" + ( renderer.supportsVertexTextures() ? " + displacement + environment + shadow" : " + <strike>displacement</strike>" );
document.getElementById( "description" ).innerHTML = description;
document.getElementById( "vt" ).style.display = renderer.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 = new THREE.Mesh( geometry, material1 );
mesh1.position.x = - scale * 12;
mesh1.scale.set( scale, scale, scale );
mesh1.castShadow = true;
mesh1.receiveShadow = true;
scene.add( mesh1 );
mesh2 = new THREE.Mesh( geometry, material2 );
mesh2.position.x = scale * 12;
mesh2.scale.set( scale, scale, scale );
mesh2.castShadow = true;
mesh2.receiveShadow = true;
scene.add( mesh2 );
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;
renderer.render( scene, camera );
}
</script>
</body>
</html>