javascript
/
three.js
зеркало из https://github.com/tazdij/three.js.git


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508
							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - adaptive tone-mapping</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
		<style>
			.label {
				background-color: black;
				position: absolute;
				z-index: 100;
				padding: 5px
			}
		</style>
	</head>

	<body>
		<div id="d">
			<div id="info">
				<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> webgl demo :
				Earth diffuse and city lights by <a href="http://seanward.org" target="_blank" rel="noopener">Sean Ward</a> :

			</div>
			<div class="label" style="position: absolute;left: 10%;bottom: 10%;">
				Low Dynamic Range<br/>
				Static Tone Mapping
			</div>
			<div class="label" style="position: absolute;left: 40%;bottom: 10%;">
				High Dynamic Range<br/>
				Static Tone Mapping
			</div>
			<div class="label" style="position: absolute;left: 73%;bottom: 10%;">
				High Dynamic Range<br/>
				Adaptive Tone Mapping
			</div>
		</div>

		<script type="module">
			import {
				AdditiveBlending,
				AmbientLight,
				BackSide,
				CubeTextureLoader,
				DirectionalLight,
				FloatType,
				LinearFilter,
				Mesh,
				MeshBasicMaterial,
				MeshLambertMaterial,
				MeshPhongMaterial,
				NormalBlending,
				NoBlending,
				OrthographicCamera,
				PerspectiveCamera,
				PlaneBufferGeometry,
				RGBAFormat,
				RGBFormat,
				Scene,
				ShaderChunk,
				ShaderMaterial,
				SphereBufferGeometry,
				TextureLoader,
				UniformsLib,
				UniformsUtils,
				WebGLRenderer,
				WebGLRenderTarget
			} from "../build/three.module.js";

			import { GUI } from './jsm/libs/dat.gui.module.js';
			import { OrbitControls } from './jsm/controls/OrbitControls.js';
			import { EffectComposer } from './jsm/postprocessing/EffectComposer.js';
			import { RenderPass } from './jsm/postprocessing/RenderPass.js';
			import { ShaderPass } from './jsm/postprocessing/ShaderPass.js';
			import { AdaptiveToneMappingPass } from './jsm/postprocessing/AdaptiveToneMappingPass.js';
			import { BloomPass } from './jsm/postprocessing/BloomPass.js';
			import { GammaCorrectionShader } from './jsm/shaders/GammaCorrectionShader.js';

			var container;

			var bloomPass, adaptToneMappingPass, ldrToneMappingPass, hdrToneMappingPass;
			var params;

			var camera, scene, renderer, dynamicHdrEffectComposer, hdrEffectComposer, ldrEffectComposer;
			var cameraCube, sceneCube;
			var cameraBG, debugScene;
			var adaptiveLuminanceMat, currentLuminanceMat;

			var directionalLight;

			var orbitControls;

			var windowHalfX = window.innerWidth / 2;
			var windowHalfY = window.innerHeight / 2;

			var windowThirdX = window.innerWidth / 3;

			init();
			animate();

			function init() {

				params = {
					bloomAmount: 1.0,
					sunLight: 4.0,

					enabled: true,
					avgLuminance: 0.7,
					middleGrey: 0.04,
					maxLuminance: 16,

					adaptionRate: 2.0
				};

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				// CAMERAS

				camera = new PerspectiveCamera( 70, windowThirdX / window.innerHeight, 0.1, 100000 );
				camera.position.x = 700;
				camera.position.y = 400;
				camera.position.z = 800;
				cameraCube = new PerspectiveCamera( 70, windowThirdX / window.innerHeight, 1, 100000 );

				cameraBG = new OrthographicCamera( - windowHalfX, windowHalfX, windowHalfY, - windowHalfY, - 10000, 10000 );
				cameraBG.position.z = 100;

				orbitControls = new OrbitControls( camera, container );
				orbitControls.autoRotate = true;
				orbitControls.autoRotateSpeed = 1;

				// SCENE

				scene = new Scene();
				sceneCube = new Scene();
				debugScene = new Scene();

				// LIGHTS

				var ambient = new AmbientLight( 0x050505 );
				scene.add( ambient );

				directionalLight = new DirectionalLight( 0xffffff, params.sunLight );
				directionalLight.position.set( 2, 0, 10 ).normalize();
				scene.add( directionalLight );

				var atmoShader = {
					side: BackSide,
					// blending: AdditiveBlending,
					transparent: true,
					lights: true,
					uniforms: UniformsUtils.merge( [

						UniformsLib[ "common" ],
						UniformsLib[ "lights" ]

					] ),
					vertexShader: [
						"varying vec3 vViewPosition;",
						"varying vec3 vNormal;",
						"void main() {",
						ShaderChunk[ "beginnormal_vertex" ],
						ShaderChunk[ "defaultnormal_vertex" ],

						"	vNormal = normalize( transformedNormal );",
						"vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
						"vViewPosition = -mvPosition.xyz;",
						"gl_Position = projectionMatrix * mvPosition;",
						"}"

					].join( "\n" ),

					fragmentShader: [

						ShaderChunk[ "common" ],
						ShaderChunk[ "bsdfs" ],
						ShaderChunk[ "lights_pars_begin" ],
						ShaderChunk[ "lights_phong_pars_fragment" ],

						"void main() {",
						"vec3 normal = normalize( -vNormal );",
						"vec3 viewPosition = normalize( vViewPosition );",
						"#if NUM_DIR_LIGHTS > 0",

						"vec3 dirDiffuse = vec3( 0.0 );",

						"for( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {",

						"vec4 lDirection = viewMatrix * vec4( directionalLights[i].direction, 0.0 );",
						"vec3 dirVector = normalize( lDirection.xyz );",
						"float dotProduct = dot( viewPosition, dirVector );",
						"dotProduct = 1.0 * max( dotProduct, 0.0 ) + (1.0 - max( -dot( normal, dirVector ), 0.0 ));",
						"dotProduct *= dotProduct;",
						"dirDiffuse += max( 0.5 * dotProduct, 0.0 ) * directionalLights[i].color;",
						"}",
						"#endif",

						//Fade out atmosphere at edge
						"float viewDot = abs(dot( normal, viewPosition ));",
						"viewDot = clamp( pow( viewDot + 0.6, 10.0 ), 0.0, 1.0);",

						"vec3 color = vec3( 0.05, 0.09, 0.13 ) * dirDiffuse;",
						"gl_FragColor = vec4( color, viewDot );",

						"}"

					].join( "\n" )
				};

				var earthAtmoMat = new ShaderMaterial( atmoShader );

				var earthMat = new MeshPhongMaterial( {
					color: 0xffffff,
					shininess: 200
				} );

				var textureLoader = new TextureLoader();

				textureLoader.load( 'textures/planets/earth_atmos_4096.jpg', function ( tex ) {

					earthMat.map = tex;
					earthMat.needsUpdate = true;

	} );
				textureLoader.load( 'textures/planets/earth_specular_2048.jpg', function ( tex ) {

					earthMat.specularMap = tex;
					earthMat.needsUpdate = true;

	} );

				// var earthNormal = textureLoader.load( 'textures/planets/earth-new-normal-2048.jpg', function( tex ) {
				// 	earthMat.normalMap = tex;
				// 	earthMat.needsUpdate = true;
				// } );

				var earthLights = textureLoader.load( 'textures/planets/earth_lights_2048.png' );

				var earthLightsMat = new MeshBasicMaterial( {
					color: 0xffffff,
					blending: AdditiveBlending,
					transparent: true,
					depthTest: false,
					map: earthLights,

				} );

				var clouds = textureLoader.load( 'textures/planets/earth_clouds_2048.png' );

				var earthCloudsMat = new MeshLambertMaterial( {
					color: 0xffffff,
					blending: NormalBlending,
					transparent: true,
					depthTest: false,
					map: clouds
				} );


				var earthGeo = new SphereBufferGeometry( 600, 24, 24 );
				var sphereMesh = new Mesh( earthGeo, earthMat );
				scene.add( sphereMesh );

				var sphereLightsMesh = new Mesh( earthGeo, earthLightsMat );
				scene.add( sphereLightsMesh );

				var sphereCloudsMesh = new Mesh( earthGeo, earthCloudsMat );
				scene.add( sphereCloudsMesh );

				var sphereAtmoMesh = new Mesh( earthGeo, earthAtmoMat );
				sphereAtmoMesh.scale.set( 1.05, 1.05, 1.05 );
				scene.add( sphereAtmoMesh );

				var vBGShader = [
					// "attribute vec2 uv;",
					"varying vec2 vUv;",
					"void main() {",
					"vUv = uv;",
					"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
					"}"

				].join( "\n" );

				var pBGShader = [

					"uniform sampler2D map;",
					"varying vec2 vUv;",

					"void main() {",

					"vec2 sampleUV = vUv;",
					"vec4 color = texture2D( map, sampleUV, 0.0 );",

					"gl_FragColor = vec4( color.xyz, 1.0 );",

					"}"

				].join( "\n" );

				// Skybox
				adaptiveLuminanceMat = new ShaderMaterial( {
					uniforms: {
						"map": { value: null }
					},
					vertexShader: vBGShader,
					fragmentShader: pBGShader,
					depthTest: false,
					// color: 0xffffff
					blending: NoBlending
				} );

				currentLuminanceMat = new ShaderMaterial( {
					uniforms: {
						"map": { value: null }
					},
					vertexShader: vBGShader,
					fragmentShader: pBGShader,
					depthTest: false
					// color: 0xffffff
					// blending: NoBlending
				} );

				var quadBG = new Mesh( new PlaneBufferGeometry( 0.1, 0.1 ), currentLuminanceMat );
				quadBG.position.z = - 500;
				quadBG.position.x = - window.innerWidth * 0.5 + window.innerWidth * 0.05;
				quadBG.scale.set( window.innerWidth, window.innerHeight, 1 );
				debugScene.add( quadBG );

				quadBG = new Mesh( new PlaneBufferGeometry( 0.1, 0.1 ), adaptiveLuminanceMat );
				quadBG.position.z = - 500;
				quadBG.position.x = - window.innerWidth * 0.5 + window.innerWidth * 0.15;
				quadBG.scale.set( window.innerWidth, window.innerHeight, 1 );
				debugScene.add( quadBG );

				var r = "textures/cube/MilkyWay/";
				var urls = [ r + "dark-s_px.jpg", r + "dark-s_nx.jpg",
							 r + "dark-s_py.jpg", r + "dark-s_ny.jpg",
							 r + "dark-s_pz.jpg", r + "dark-s_nz.jpg" ];

				var textureCube = new CubeTextureLoader().load( urls );
				textureCube.format = RGBFormat;

				sceneCube.background = textureCube;

				renderer = new WebGLRenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.autoClear = false;

				renderer.gammaInput = true;
				renderer.gammaOutput = false;

				container.appendChild( renderer.domElement );

				// var width = window.innerWidth || 1;
				var height = window.innerHeight || 1;

				var parameters = { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBAFormat, stencilBuffer: false };
				var regularRenderTarget = new WebGLRenderTarget( windowThirdX, height, parameters );
				ldrEffectComposer = new EffectComposer( renderer, regularRenderTarget );

				if ( renderer.extensions.get( 'OES_texture_half_float_linear' ) ) {

					parameters.type = FloatType;

	}
				var hdrRenderTarget = new WebGLRenderTarget( windowThirdX, height, parameters );
				dynamicHdrEffectComposer = new EffectComposer( renderer, hdrRenderTarget );
				dynamicHdrEffectComposer.setSize( window.innerWidth, window.innerHeight );
				hdrEffectComposer = new EffectComposer( renderer, hdrRenderTarget );

				var debugPass = new RenderPass( debugScene, cameraBG );
				debugPass.clear = false;
				var scenePass = new RenderPass( scene, camera, undefined, undefined, undefined );
				var skyboxPass = new RenderPass( sceneCube, cameraCube );
				scenePass.clear = false;

				adaptToneMappingPass = new AdaptiveToneMappingPass( true, 256 );
				adaptToneMappingPass.needsSwap = true;
				ldrToneMappingPass = new AdaptiveToneMappingPass( false, 256 );
				hdrToneMappingPass = new AdaptiveToneMappingPass( false, 256 );
				bloomPass = new BloomPass();
				var gammaCorrectionPass = new ShaderPass( GammaCorrectionShader );

				dynamicHdrEffectComposer.addPass( skyboxPass );
				dynamicHdrEffectComposer.addPass( scenePass );
				dynamicHdrEffectComposer.addPass( adaptToneMappingPass );
				dynamicHdrEffectComposer.addPass( bloomPass );
				dynamicHdrEffectComposer.addPass( gammaCorrectionPass );

				hdrEffectComposer.addPass( skyboxPass );
				hdrEffectComposer.addPass( scenePass );
				hdrEffectComposer.addPass( hdrToneMappingPass );
				hdrEffectComposer.addPass( bloomPass );
				hdrEffectComposer.addPass( gammaCorrectionPass );

				ldrEffectComposer.addPass( skyboxPass );
				ldrEffectComposer.addPass( scenePass );
				ldrEffectComposer.addPass( ldrToneMappingPass );
				ldrEffectComposer.addPass( bloomPass );
				ldrEffectComposer.addPass( gammaCorrectionPass );

				var gui = new GUI();

				var sceneGui = gui.addFolder( 'Scenes' );
				var toneMappingGui = gui.addFolder( 'ToneMapping' );
				var staticToneMappingGui = gui.addFolder( 'StaticOnly' );
				var adaptiveToneMappingGui = gui.addFolder( 'AdaptiveOnly' );

				sceneGui.add( params, 'bloomAmount', 0.0, 10.0 );
				sceneGui.add( params, 'sunLight', 0.1, 12.0 );

				toneMappingGui.add( params, 'enabled' );
				toneMappingGui.add( params, 'middleGrey', 0, 12 );
				toneMappingGui.add( params, 'maxLuminance', 1, 30 );

				staticToneMappingGui.add( params, 'avgLuminance', 0.001, 2.0 );
				adaptiveToneMappingGui.add( params, 'adaptionRate', 0.0, 10.0 );

				gui.open();

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

				windowHalfX = window.innerWidth / 2;
				windowHalfY = window.innerHeight / 2;
				windowThirdX = window.innerWidth / 3;

				camera.aspect = windowThirdX / window.innerHeight;
				camera.updateProjectionMatrix();

				cameraCube.aspect = windowThirdX / window.innerHeight;
				cameraCube.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function animate() {

				requestAnimationFrame( animate );
				if ( bloomPass ) {

					bloomPass.copyUniforms[ "opacity" ].value = params.bloomAmount;

				}

				if ( adaptToneMappingPass ) {

					adaptToneMappingPass.setAdaptionRate( params.adaptionRate );
					adaptiveLuminanceMat.uniforms[ "map" ].value = adaptToneMappingPass.luminanceRT;
					currentLuminanceMat.uniforms[ "map" ].value = adaptToneMappingPass.currentLuminanceRT;

					adaptToneMappingPass.enabled = params.enabled;
					adaptToneMappingPass.setMaxLuminance( params.maxLuminance );
					adaptToneMappingPass.setMiddleGrey( params.middleGrey );

					hdrToneMappingPass.enabled = params.enabled;
					hdrToneMappingPass.setMaxLuminance( params.maxLuminance );
					hdrToneMappingPass.setMiddleGrey( params.middleGrey );
					if ( hdrToneMappingPass.setAverageLuminance ) {

						hdrToneMappingPass.setAverageLuminance( params.avgLuminance );

					}

					ldrToneMappingPass.enabled = params.enabled;
					ldrToneMappingPass.setMaxLuminance( params.maxLuminance );
					ldrToneMappingPass.setMiddleGrey( params.middleGrey );
					if ( ldrToneMappingPass.setAverageLuminance ) {

						ldrToneMappingPass.setAverageLuminance( params.avgLuminance );

					}

				}

				directionalLight.intensity = params.sunLight;

				orbitControls.update();

				render();

			}

			function render() {

				camera.lookAt( scene.position );
				cameraCube.rotation.copy( camera.rotation );

				renderer.setViewport( 0, 0, windowThirdX, window.innerHeight );
				ldrEffectComposer.render( 0.017 );

				renderer.setViewport( windowThirdX, 0, windowThirdX, window.innerHeight );
				hdrEffectComposer.render( 0.017 );

				renderer.setViewport( windowThirdX * 2, 0, windowThirdX, window.innerHeight );
				dynamicHdrEffectComposer.render( 0.017 );

			}

		</script>

	</body>
</html>