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298 lines
7.8 KiB
298 lines
7.8 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>threejs webgl - inline tone mapping</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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color: #fff;
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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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background-color: #000;
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margin: 0px;
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overflow: hidden;
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}
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a { color: #ff2 }
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#info {
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position: absolute;
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top: 0px; width: 100%;
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padding: 5px;
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}
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</style>
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</head>
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<body>
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<div id="container"></div>
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<div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">threejs</a> - Inline Tone Mapping (within a Material's fragment shader) without<br/>using a pre-processing step or float/half buffers by <a href="http://clara.io/" target="_blank" rel="noopener">Ben Houston</a>.</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/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 src="js/loaders/RGBELoader.js"></script>
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<script src="js/loaders/HDRCubeTextureLoader.js"></script>
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<script src="js/pmrem/PMREMGenerator.js"></script>
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<script src="js/pmrem/PMREMCubeUVPacker.js"></script>
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<script src="js/postprocessing/EffectComposer.js"></script>
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<script src="js/postprocessing/RenderPass.js"></script>
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<script src="js/postprocessing/MaskPass.js"></script>
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<script src="js/postprocessing/ShaderPass.js"></script>
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<script src="js/shaders/CopyShader.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 container, stats;
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var params = {
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opacity: 1.0,
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roughness: 1.0,
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bumpScale: 1.0,
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exposure: 3.0,
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whitePoint: 5.0,
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toneMapping: "Uncharted2",
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renderMode: "Renderer"
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};
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var toneMappingOptions = {
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None: THREE.NoToneMapping,
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Linear: THREE.LinearToneMapping,
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Reinhard: THREE.ReinhardToneMapping,
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Uncharted2: THREE.Uncharted2ToneMapping,
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Cineon: THREE.CineonToneMapping,
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ACESFilmic: THREE.ACESFilmicToneMapping
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};
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var camera, scene, renderer, group;
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var composer;
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var standardMaterial, floorMaterial;
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 2000 );
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camera.position.set( 0.0, 40, 40 * 3.5 );
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scene = new THREE.Scene();
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renderer = new THREE.WebGLRenderer();
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standardMaterial = new THREE.MeshStandardMaterial( {
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bumpScale: - 0.05,
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color: 0xffffff,
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metalness: 0.9,
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roughness: 0.8,
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premultipliedAlpha: true,
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transparent: true
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} );
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var textureLoader = new THREE.TextureLoader();
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textureLoader.load( "textures/brick_diffuse.jpg", function ( map ) {
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map.wrapS = THREE.RepeatWrapping;
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map.wrapT = THREE.RepeatWrapping;
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map.encoding = THREE.sRGBEncoding;
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map.anisotropy = 4;
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map.repeat.set( 9, 0.5 );
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standardMaterial.map = map;
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standardMaterial.needsUpdate = true;
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} );
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textureLoader.load( "textures/brick_bump.jpg", function ( map ) {
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map.wrapS = THREE.RepeatWrapping;
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map.wrapT = THREE.RepeatWrapping;
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map.anisotropy = 4;
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map.repeat.set( 9, 0.5 );
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standardMaterial.bumpMap = map;
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standardMaterial.needsUpdate = true;
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} );
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textureLoader.load( "textures/brick_roughness.jpg", function ( map ) {
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map.wrapS = THREE.RepeatWrapping;
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map.wrapT = THREE.RepeatWrapping;
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map.anisotropy = 4;
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map.repeat.set( 9, 0.5 );
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standardMaterial.roughnessMap = map;
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standardMaterial.needsUpdate = true;
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} );
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var geometry = new THREE.TorusKnotBufferGeometry( 18, 8, 150, 20 );
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mesh = new THREE.Mesh( geometry, standardMaterial );
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mesh.castShadow = true;
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mesh.receiveShadow = true;
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scene.add( mesh );
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floorMaterial = new THREE.MeshStandardMaterial( {
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map: null,
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roughnessMap: null,
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color: 0x888888,
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metalness: 0.0,
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roughness: 1.0,
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side: THREE.BackSide
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} );
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var geometry = new THREE.BoxBufferGeometry( 200, 200, 200 );
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var floor = new THREE.Mesh( geometry, floorMaterial );
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floor.position.y = 50;
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floor.rotation.x = - Math.PI * 0.5;
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floor.receiveShadow = true;
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scene.add( floor );
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// Materials
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var hdrpath = "textures/cube/pisaHDR/";
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var hdrformat = '.hdr';
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var hdrurls = [
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hdrpath + 'px' + hdrformat, hdrpath + 'nx' + hdrformat,
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hdrpath + 'py' + hdrformat, hdrpath + 'ny' + hdrformat,
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hdrpath + 'pz' + hdrformat, hdrpath + 'nz' + hdrformat
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];
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new THREE.HDRCubeTextureLoader().load( THREE.UnsignedByteType, hdrurls, function ( hdrCubeMap ) {
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var pmremGenerator = new THREE.PMREMGenerator( hdrCubeMap );
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pmremGenerator.update( renderer );
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var pmremCubeUVPacker = new THREE.PMREMCubeUVPacker( pmremGenerator.cubeLods );
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pmremCubeUVPacker.update( renderer );
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standardMaterial.envMap = pmremCubeUVPacker.CubeUVRenderTarget.texture;
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standardMaterial.needsUpdate = true;
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hdrCubeMap.dispose();
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pmremGenerator.dispose();
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pmremCubeUVPacker.dispose();
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} );
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// Lights
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scene.add( new THREE.HemisphereLight( 0x111111, 0x000000 ) );
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var spotLight = new THREE.SpotLight( 0xffffff );
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spotLight.position.set( 50, 100, 50 );
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spotLight.angle = Math.PI / 7;
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spotLight.decay = 2;
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spotLight.distance = 300;
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spotLight.penumbra = 0.8;
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spotLight.castShadow = true;
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scene.add( spotLight );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.shadowMap.enabled = true;
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container.appendChild( renderer.domElement );
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renderer.gammaOutput = true;
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composer = new THREE.EffectComposer( renderer );
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composer.setSize( window.innerWidth, window.innerHeight );
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var renderScene = new THREE.RenderPass( scene, camera );
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composer.addPass( renderScene );
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var copyPass = new THREE.ShaderPass( THREE.CopyShader );
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composer.addPass( copyPass );
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stats = new Stats();
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container.appendChild( stats.dom );
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var controls = new THREE.OrbitControls( camera, renderer.domElement );
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window.addEventListener( 'resize', onWindowResize, false );
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var gui = new dat.GUI();
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gui.add( params, 'toneMapping', Object.keys( toneMappingOptions ) );
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gui.add( params, 'exposure', 0, 10 );
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gui.add( params, 'whitePoint', 0, 10 );
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gui.add( params, 'opacity', 0, 1 );
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gui.add( params, 'renderMode', [ 'Renderer', 'Composer' ] );
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gui.open();
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}
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function onWindowResize() {
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var width = window.innerWidth;
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var height = window.innerHeight;
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camera.aspect = width / height;
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camera.updateProjectionMatrix();
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renderer.setSize( width, height );
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composer.setSize( width, height );
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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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standardMaterial.roughness = params.roughness;
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standardMaterial.bumpScale = - 0.05 * params.bumpScale;
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standardMaterial.opacity = params.opacity;
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if ( renderer.toneMapping !== toneMappingOptions[ params.toneMapping ] ) {
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renderer.toneMapping = toneMappingOptions[ params.toneMapping ];
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standardMaterial.needsUpdate = true;
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floorMaterial.needsUpdate = true;
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}
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renderer.toneMappingExposure = params.exposure;
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renderer.toneMappingWhitePoint = params.whitePoint;
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mesh.rotation.y += 0.005;
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if ( params.renderMode === "Composer" ) {
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composer.render();
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} else {
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renderer.render( scene, camera );
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}
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}
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</script>
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</body>
|
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</html>
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