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296 lines
7.0 KiB
296 lines
7.0 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - materials - displacement map</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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background:#000;
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color:#fff;
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padding:0;
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margin:0;
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font-weight: bold;
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overflow:hidden;
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}
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a { color: #ffffff; }
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#info {
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position: absolute;
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top: 0px; width: 100%;
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color: #ffffff;
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padding: 5px;
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font-family:Monospace;
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font-size:13px;
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text-align:center;
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}
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#vt { display:none }
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#vt, #vt a { color:orange; }
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</style>
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</head>
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<body>
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<div id="info">
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<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - (<span id="description">normal + ao + displacement + environment</span>) map demo.<br />
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ninja head from <a href="http://developer.amd.com/tools-and-sdks/archive/legacy-cpu-gpu-tools/amd-gpu-meshmapper/" target="_blank" rel="noopener">AMD GPU MeshMapper</a>
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<div id="vt">displacement mapping requires vertex textures</div>
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</div>
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<script src="../build/three.js"></script>
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<script src="js/controls/OrbitControls.js"></script>
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<script src="js/loaders/OBJLoader.js"></script>
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<script src="js/WebGL.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script src='js/libs/dat.gui.min.js'></script>
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<script>
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if ( WEBGL.isWebGLAvailable() === false ) {
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document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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}
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var stats;
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var camera, scene, renderer, controls;
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var settings = {
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metalness: 1.0,
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roughness: 0.4,
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ambientIntensity: 0.2,
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aoMapIntensity: 1.0,
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envMapIntensity: 1.0,
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displacementScale: 2.436143, // from original model
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normalScale: 1.0
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};
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var mesh, material;
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var pointLight, ambientLight;
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var height = 500; // of camera frustum
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var r = 0.0;
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init();
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animate();
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initGui();
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// Init gui
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function initGui() {
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var gui = new dat.GUI();
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//var gui = gui.addFolder( "Material" );
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gui.add( settings, "metalness" ).min( 0 ).max( 1 ).onChange( function ( value ) {
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material.metalness = value;
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} );
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gui.add( settings, "roughness" ).min( 0 ).max( 1 ).onChange( function ( value ) {
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material.roughness = value;
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} );
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gui.add( settings, "aoMapIntensity" ).min( 0 ).max( 1 ).onChange( function ( value ) {
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material.aoMapIntensity = value;
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} );
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gui.add( settings, "ambientIntensity" ).min( 0 ).max( 1 ).onChange( function ( value ) {
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ambientLight.intensity = value;
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} );
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gui.add( settings, "envMapIntensity" ).min( 0 ).max( 3 ).onChange( function ( value ) {
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material.envMapIntensity = value;
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} );
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gui.add( settings, "displacementScale" ).min( 0 ).max( 3.0 ).onChange( function ( value ) {
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material.displacementScale = value;
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} );
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gui.add( settings, "normalScale" ).min( - 1 ).max( 1 ).onChange( function ( value ) {
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material.normalScale.set( 1, - 1 ).multiplyScalar( value );
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} );
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}
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function init() {
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var container = document.createElement( 'div' );
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document.body.appendChild( container );
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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renderer.gammaInput = true;
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renderer.gammaOutput = true;
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//
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scene = new THREE.Scene();
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var aspect = window.innerWidth / window.innerHeight;
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camera = new THREE.OrthographicCamera( - height * aspect, height * aspect, height, - height, 1, 10000 );
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camera.position.z = 1500;
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scene.add( camera );
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controls = new THREE.OrbitControls( camera, renderer.domElement );
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controls.enableZoom = false;
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controls.enableDamping = true;
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// lights
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ambientLight = new THREE.AmbientLight( 0xffffff, settings.ambientIntensity );
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scene.add( ambientLight );
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pointLight = new THREE.PointLight( 0xff0000, 0.5 );
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pointLight.position.z = 2500;
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scene.add( pointLight );
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var pointLight2 = new THREE.PointLight( 0xff6666, 1 );
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camera.add( pointLight2 );
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var pointLight3 = new THREE.PointLight( 0x0000ff, 0.5 );
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pointLight3.position.x = - 1000;
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pointLight3.position.z = 1000;
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scene.add( pointLight3 );
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// env map
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var path = "textures/cube/SwedishRoyalCastle/";
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var format = '.jpg';
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var urls = [
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path + 'px' + format, path + 'nx' + format,
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path + 'py' + format, path + 'ny' + format,
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path + 'pz' + format, path + 'nz' + format
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];
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var reflectionCube = new THREE.CubeTextureLoader().load( urls );
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// textures
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var textureLoader = new THREE.TextureLoader();
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var normalMap = textureLoader.load( "models/obj/ninja/normal.jpg" );
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var aoMap = textureLoader.load( "models/obj/ninja/ao.jpg" );
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var displacementMap = textureLoader.load( "models/obj/ninja/displacement.jpg" );
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// material
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material = new THREE.MeshStandardMaterial( {
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color: 0x888888,
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roughness: settings.roughness,
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metalness: settings.metalness,
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normalMap: normalMap,
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normalScale: new THREE.Vector2( 1, - 1 ), // why does the normal map require negation in this case?
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aoMap: aoMap,
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aoMapIntensity: 1,
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displacementMap: displacementMap,
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displacementScale: settings.displacementScale,
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displacementBias: - 0.428408, // from original model
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envMap: reflectionCube,
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envMapIntensity: settings.envMapIntensity,
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side: THREE.DoubleSide
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} );
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//
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var loader = new THREE.OBJLoader();
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loader.load( "models/obj/ninja/ninjaHead_Low.obj", function ( group ) {
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var geometry = group.children[ 0 ].geometry;
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geometry.attributes.uv2 = geometry.attributes.uv;
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geometry.center();
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mesh = new THREE.Mesh( geometry, material );
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mesh.scale.multiplyScalar( 25 );
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scene.add( mesh );
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} );
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//
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var description = "normal + ao" + ( renderer.capabilities.vertexTextures ? " + displacement + environment" : " + <strike>displacement</strike>" );
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document.getElementById( "description" ).innerHTML = description;
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document.getElementById( "vt" ).style.display = renderer.capabilities.vertexTextures ? "none" : "block";
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//
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stats = new Stats();
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container.appendChild( stats.dom );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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var aspect = window.innerWidth / window.innerHeight;
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camera.left = - height * aspect;
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camera.right = height * aspect;
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camera.top = height;
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camera.bottom = - height;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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stats.begin();
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render();
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stats.end();
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}
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function render() {
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pointLight.position.x = 2500 * Math.cos( r );
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pointLight.position.z = 2500 * Math.sin( r );
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r += 0.01;
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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