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+<!DOCTYPE html>
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+<html lang="en">
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+ <head>
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+ <title>three.js webgl - lights - light probe</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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+ font-family: Monospace;
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+ background-color: #000;
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+ color: #fff;
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+ margin: 0px;
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+ overflow: hidden;
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+ }
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+
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+ a {
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+ color: #ffa;
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+ font-weight: bold;
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+ }
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+
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+ #info {
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+ color: #fff;
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+ position: absolute;
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+ top: 10px;
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+ width: 100%;
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+ text-align: center;
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+ z-index: 0; /* to not conflict with dat.gui */
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+ display:block;
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+ }
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+ </style>
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+ </head>
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+
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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> - webgl lights - light probe
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+ </div>
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+
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+ <script src="../build/three.js"></script>
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+
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+ <script src="js/controls/OrbitControls.js"></script>
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+
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+ <script src="js/libs/dat.gui.min.js"></script>
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+
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+ <script src="js/WebGL.js"></script>
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+
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+ <script>
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+
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+ if ( WEBGL.isWebGLAvailable() === false ) {
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+
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+ document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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+
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+ }
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+
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+ var mesh, renderer, scene, camera;
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+
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+ var gui;
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+
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+ var ambientLight;
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+ var lightProbe;
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+ var directionalLight;
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+
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+ // linear color space
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+ var API = {
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+ ambientLightIntensity: 0.0,
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+ lightProbeIntensity: 0.3,
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+ directionalLightIntensity: 0.2,
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+ envMapIntensity: 1
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+ };
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+
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+ init();
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+
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+ function init() {
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+
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+ // renderer
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+ renderer = new THREE.WebGLRenderer( { antialias: true } );
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ document.body.appendChild( renderer.domElement );
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+
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+ // tone mapping
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+ //renderer.toneMapping = THREE.LinearToneMapping;
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+ //renderer.toneMappingExposure = API.exposure;
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+
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+ // gamma
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+ renderer.gammaOutput = true;
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+ renderer.gammaFactor = 2.2; // approximate sRGB
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+
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+ // scene
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+ scene = new THREE.Scene();
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+
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+ // camera
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+ camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
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+ camera.position.set( - 15, 0, 20 );
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+
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+ // controls
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+ var controls = new THREE.OrbitControls( camera, renderer.domElement );
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+ controls.addEventListener( 'change', render );
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+ controls.minDistance = 10;
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+ controls.maxDistance = 50;
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+ controls.enablePan = false;
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+
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+ // ambient
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+ ambientLight = new THREE.AmbientLight( 0xffffff, API.ambientLightIntensity );
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+ scene.add( ambientLight );
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+
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+ // probe
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+ lightProbe = new THREE.LightProbe( undefined, API.lightProbeIntensity );
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+ scene.add( lightProbe );
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+
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+ // light
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+ directionalLight = new THREE.DirectionalLight( 0xffffff, API.directionalLightIntensity );
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+ directionalLight.position.set( 10, 10, 10 );
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+ scene.add( directionalLight );
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+
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+ // envmap
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+ var genCubeUrls = function ( prefix, postfix ) {
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+
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+ return [
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+ prefix + 'px' + postfix, prefix + 'nx' + postfix,
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+ prefix + 'py' + postfix, prefix + 'ny' + postfix,
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+ prefix + 'pz' + postfix, prefix + 'nz' + postfix
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+ ];
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+
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+ };
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+
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+ var urls = genCubeUrls( 'textures/cube/pisa/', '.png' );
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+
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+ new THREE.CubeTextureLoader().load( urls, function ( cubeTexture ) {
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+
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+ cubeTexture.encoding = THREE.sRGBEncoding;
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+
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+ scene.background = cubeTexture;
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+
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+ lightProbe.setFromCubeTexture( cubeTexture );
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+
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+ var geometry = new THREE.SphereBufferGeometry( 5, 64, 32 );
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+ //var geometry = new THREE.TorusKnotBufferGeometry( 4, 1.5, 256, 32, 2, 3 );
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+
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+ var material = new THREE.MeshStandardMaterial( {
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+ color: 0xffffff,
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+ metalness: 0,
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+ roughness: 0,
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+ envMap: cubeTexture,
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+ envMapIntensity: API.envMapIntensity,
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+ } );
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+
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+ // mesh
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+ mesh = new THREE.Mesh( geometry, material );
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+ scene.add( mesh );
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+
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+ render();
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+
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+ } );
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+
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+
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+ // gui
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+ gui = new dat.GUI();
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+
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+ gui.width = 300;
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+
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+ gui.domElement.style.userSelect = 'none';
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+
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+ var fl = gui.addFolder( 'Intensity' );
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+ fl.add( API, 'ambientLightIntensity', 0, 1, 0.02 )
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+ .name( 'ambient light')
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+ .onChange( function() { ambientLight.intensity = API.ambientLightIntensity; render(); } );
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+
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+ fl.add( API, 'lightProbeIntensity', 0, 1, 0.02 )
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+ .name( 'light probe')
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+ .onChange( function() { lightProbe.intensity = API.lightProbeIntensity; render(); } );
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+
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+ fl.add( API, 'directionalLightIntensity', 0, 1, 0.02 )
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+ .name( 'directional light')
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+ .onChange( function() { directionalLight.intensity = API.directionalLightIntensity; render(); } );
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+
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+ fl.add( API, 'envMapIntensity', 0, 1, 0.02 )
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+ .name( 'envMap')
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+ .onChange( function() { mesh.material.envMapIntensity = API.envMapIntensity; render(); } );
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+
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+ fl.open();
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+
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+ // listener
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+ window.addEventListener( 'resize', onWindowResize, false );
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ camera.aspect = window.innerWidth / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ render();
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+
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+ }
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+
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+ function render() {
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+
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ </script>
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+
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+ </body>
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+</html>
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WestLangley