Files
three.js/examples/materials_normalmap.html
T
alteredq 8e2f8c8b13 Fixed broken WebGL support detection.
Created "THREE.Supports" object, which should centralize this stuff. So far it detects <canvas>, WebGL and WebWorkers; later it could detect for example GPU capabilities.

Not sure about name or location, but it's pretty tiring go through all examples when something changes, so it should be somewhere in the library.

Code duplication is bad: even html snippets with error message should be centralized somewhere, so that when new browsers arrive we wouldn't have to keep changing them in many places.
2011-02-12 20:02:05 +01:00

273 lines
7.9 KiB
HTML

<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js - webgl 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 {
font-family:monospace;
font-size:13px;
text-align:center;
background:rgb(200,100,0);
color:#fff;
padding:1em;
width:475px;
margin:5em auto 0;
border:solid 2px #fff;
border-radius:10px;
display:none;
}
#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>
<center>
<div id="oldie">
Sorry, your browser doesn't support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a>
and <a href="http://www.whatwg.org/specs/web-workers/current-work/">Web Workers</a>.<br/>
<br/>
Please try in
<a href="http://www.chromium.org/getting-involved/dev-channel">Chrome 9+</a> /
<a href="http://www.mozilla.com/en-US/firefox/all-beta.html">Firefox 4+</a> /
<a href="http://nightly.webkit.org/">Safari OSX 10.6+</a>
</div>
</center>
<script type="text/javascript" src="../build/ThreeExtras.js"></script>
<script type="text/javascript" src="js/Stats.js"></script>
<script type="text/javascript">
if ( ! THREE.Supports.webgl ) {
document.getElementById( "oldie" ).style.display = "block";
}
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();
setInterval( loop, 1000 / 60 );
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 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 = ShaderUtils.lib[ "normal" ];
var uniforms = Uniforms.clone( shader.uniforms );
uniforms[ "enableAO" ].value = true;
uniforms[ "enableDiffuse" ].value = false;
uniforms[ "tNormal" ].texture = ImageUtils.loadTexture( "textures/normal/ninja/normal.jpg" );
uniforms[ "tAO" ].texture = ImageUtils.loadTexture( "textures/normal/ninja/ao.jpg" );
uniforms[ "tDisplacement" ].texture = 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 = { fragment_shader: shader.fragment_shader, vertex_shader: shader.vertex_shader, uniforms: uniforms };
var material1 = new THREE.MeshShaderMaterial( parameters );
var material2 = new THREE.MeshPhongMaterial( { color: diffuse, specular: specular, ambient: ambient, shininess: shininess } );
loader = new THREE.Loader( true );
document.body.appendChild( loader.statusDomElement );
loader.loadBinary( { 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 = SceneUtils.addMesh( scene, geometry, scale, -scale * 12, 0, 0, 0,0,0, material1 );
mesh2 = 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 loop() {
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 );
if ( statsEnabled ) stats.update();
}
function log( text ) {
var e = document.getElementById("log");
e.innerHTML = text + "<br/>" + e.innerHTML;
}
</script>
</body>
</html>