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294 lines
7.5 KiB
294 lines
7.5 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>threejs webgl - materials - hdr environment 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: #88f }
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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> - Standard Material Reflectivity (reflectance at F0) example 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/loaders/RGBELoader.js"></script>
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<script src="js/loaders/HDRCubeTextureLoader.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/pmrem/PMREMGenerator.js"></script>
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<script src="js/pmrem/PMREMCubeUVPacker.js"></script>
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<script src="js/libs/dat.gui.min.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 src="js/shaders/FXAAShader.js"></script>
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<script src="js/postprocessing/BloomPass.js"></script>
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<script src="js/shaders/ConvolutionShader.js"></script>
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<script src="js/loaders/OBJLoader.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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projection: 'normal',
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autoRotate: true,
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reflectivity: 1.0,
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background: false,
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exposure: 1.0,
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gemColor: 'Green'
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};
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var camera, scene, renderer, objects = [];
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var gemBackMaterial, gemFrontMaterial;
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var hdrCubeRenderTarget;
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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, - 10, 20 * 3.5 );
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x000000 );
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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gemBackMaterial = new THREE.MeshPhysicalMaterial( {
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map: null,
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color: 0x0000ff,
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metalness: 1.0,
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roughness: 0,
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opacity: 0.5,
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side: THREE.BackSide,
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transparent: true,
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envMapIntensity: 5,
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premultipliedAlpha: true
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// TODO: Add custom blend mode that modulates background color by this materials color.
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} );
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gemFrontMaterial = new THREE.MeshPhysicalMaterial( {
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map: null,
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color: 0x0000ff,
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metalness: 0.0,
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roughness: 0,
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opacity: 0.15,
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side: THREE.FrontSide,
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transparent: true,
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envMapIntensity: 5,
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premultipliedAlpha: true
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} );
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var manager = new THREE.LoadingManager();
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manager.onProgress = function ( item, loaded, total ) {
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console.log( item, loaded, total );
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};
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var loader = new THREE.OBJLoader( manager );
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loader.load( 'models/obj/emerald.obj', function ( object ) {
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object.traverse( function ( child ) {
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if ( child instanceof THREE.Mesh ) {
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child.material = gemBackMaterial;
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var second = child.clone();
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second.material = gemFrontMaterial;
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var parent = new THREE.Group();
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parent.add( second );
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parent.add( child );
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scene.add( parent );
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objects.push( parent );
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}
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} );
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} );
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var genCubeUrls = function ( prefix, postfix ) {
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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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var hdrUrls = genCubeUrls( "./textures/cube/pisaHDR/", ".hdr" );
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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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hdrCubeRenderTarget = pmremCubeUVPacker.CubeUVRenderTarget;
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gemFrontMaterial.envMap = gemBackMaterial.envMap = hdrCubeRenderTarget.texture;
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gemFrontMaterial.needsUpdate = gemBackMaterial.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.AmbientLight( 0x222222 ) );
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var pointLight1 = new THREE.PointLight( 0xffffff );
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pointLight1.position.set( 150, 10, 0 );
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pointLight1.castShadow = false;
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scene.add( pointLight1 );
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var pointLight2 = new THREE.PointLight( 0xffffff );
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pointLight2.position.set( - 150, 0, 0 );
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scene.add( pointLight2 );
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var pointLight3 = new THREE.PointLight( 0xffffff );
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pointLight3.position.set( 0, - 10, - 150 );
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scene.add( pointLight3 );
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var pointLight4 = new THREE.PointLight( 0xffffff );
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pointLight4.position.set( 0, 0, 150 );
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scene.add( pointLight4 );
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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.gammaInput = true;
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renderer.gammaOutput = true;
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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, 'reflectivity', 0, 1 );
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gui.add( params, 'exposure', 0.1, 2 );
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gui.add( params, 'autoRotate' );
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gui.add( params, 'gemColor', [ 'Blue', 'Green', 'Red', 'White', 'Black' ] );
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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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}
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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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if ( gemBackMaterial !== undefined && gemFrontMaterial !== undefined ) {
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gemFrontMaterial.reflectivity = gemBackMaterial.reflectivity = params.reflectivity;
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var newColor = gemBackMaterial.color;
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switch ( params.gemColor ) {
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case 'Blue': newColor = new THREE.Color( 0x000088 ); break;
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case 'Red': newColor = new THREE.Color( 0x880000 ); break;
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case 'Green': newColor = new THREE.Color( 0x008800 ); break;
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case 'White': newColor = new THREE.Color( 0x888888 ); break;
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case 'Black': newColor = new THREE.Color( 0x0f0f0f ); break;
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}
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gemBackMaterial.color = gemFrontMaterial.color = newColor;
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}
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renderer.toneMappingExposure = params.exposure;
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camera.lookAt( scene.position );
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if ( params.autoRotate ) {
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for ( var i = 0, l = objects.length; i < l; i ++ ) {
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var object = objects[ i ];
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object.rotation.y += 0.005;
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}
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}
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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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