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357 lines
11 KiB
357 lines
11 KiB
2 years ago
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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 - postprocessing</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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<link type="text/css" rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl postprocessing example<br/>
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<a href="https://casual-effects.com/data/" target="_blank" rel="noopener">Lee Perry-Smith</a> head
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</div>
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<div id="container"></div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import Stats from 'three/addons/libs/stats.module.js';
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import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
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import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
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import { ShaderPass } from 'three/addons/postprocessing/ShaderPass.js';
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import { BloomPass } from 'three/addons/postprocessing/BloomPass.js';
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import { FilmPass } from 'three/addons/postprocessing/FilmPass.js';
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import { DotScreenPass } from 'three/addons/postprocessing/DotScreenPass.js';
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import { MaskPass, ClearMaskPass } from 'three/addons/postprocessing/MaskPass.js';
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import { TexturePass } from 'three/addons/postprocessing/TexturePass.js';
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import { BleachBypassShader } from 'three/addons/shaders/BleachBypassShader.js';
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import { ColorifyShader } from 'three/addons/shaders/ColorifyShader.js';
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import { HorizontalBlurShader } from 'three/addons/shaders/HorizontalBlurShader.js';
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import { VerticalBlurShader } from 'three/addons/shaders/VerticalBlurShader.js';
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import { SepiaShader } from 'three/addons/shaders/SepiaShader.js';
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import { VignetteShader } from 'three/addons/shaders/VignetteShader.js';
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import { GammaCorrectionShader } from 'three/addons/shaders/GammaCorrectionShader.js';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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let container, stats;
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let composerScene, composer1, composer2, composer3, composer4;
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let cameraOrtho, cameraPerspective, sceneModel, sceneBG, renderer, mesh, directionalLight;
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const width = window.innerWidth || 2;
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const height = window.innerHeight || 2;
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let halfWidth = width / 2;
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let halfHeight = height / 2;
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let quadBG, quadMask, renderScene;
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const delta = 0.01;
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init();
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animate();
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function init() {
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container = document.getElementById( 'container' );
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//
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cameraOrtho = new THREE.OrthographicCamera( - halfWidth, halfWidth, halfHeight, - halfHeight, - 10000, 10000 );
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cameraOrtho.position.z = 100;
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cameraPerspective = new THREE.PerspectiveCamera( 50, width / height, 1, 10000 );
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cameraPerspective.position.z = 900;
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//
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sceneModel = new THREE.Scene();
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sceneBG = new THREE.Scene();
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//
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directionalLight = new THREE.DirectionalLight( 0xffffff );
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directionalLight.position.set( 0, - 0.1, 1 ).normalize();
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sceneModel.add( directionalLight );
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const loader = new GLTFLoader();
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loader.load( 'models/gltf/LeePerrySmith/LeePerrySmith.glb', function ( gltf ) {
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createMesh( gltf.scene.children[ 0 ].geometry, sceneModel, 100 );
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} );
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//
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const diffuseMap = new THREE.TextureLoader().load( 'textures/cube/SwedishRoyalCastle/pz.jpg' );
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diffuseMap.encoding = THREE.sRGBEncoding;
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const materialColor = new THREE.MeshBasicMaterial( {
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map: diffuseMap,
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depthTest: false
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} );
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quadBG = new THREE.Mesh( new THREE.PlaneGeometry( 1, 1 ), materialColor );
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quadBG.position.z = - 500;
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quadBG.scale.set( width, height, 1 );
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sceneBG.add( quadBG );
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//
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const sceneMask = new THREE.Scene();
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quadMask = new THREE.Mesh( new THREE.PlaneGeometry( 1, 1 ), new THREE.MeshBasicMaterial( { color: 0xffaa00 } ) );
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quadMask.position.z = - 300;
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quadMask.scale.set( width / 2, height / 2, 1 );
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sceneMask.add( quadMask );
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//
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( width, height );
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renderer.autoClear = false;
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//
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container.appendChild( renderer.domElement );
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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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const shaderBleach = BleachBypassShader;
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const shaderSepia = SepiaShader;
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const shaderVignette = VignetteShader;
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const effectBleach = new ShaderPass( shaderBleach );
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const effectSepia = new ShaderPass( shaderSepia );
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const effectVignette = new ShaderPass( shaderVignette );
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const gammaCorrection = new ShaderPass( GammaCorrectionShader );
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effectBleach.uniforms[ 'opacity' ].value = 0.95;
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effectSepia.uniforms[ 'amount' ].value = 0.9;
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effectVignette.uniforms[ 'offset' ].value = 0.95;
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effectVignette.uniforms[ 'darkness' ].value = 1.6;
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const effectBloom = new BloomPass( 0.5 );
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const effectFilm = new FilmPass( 0.35, 0.025, 648, false );
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const effectFilmBW = new FilmPass( 0.35, 0.5, 2048, true );
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const effectDotScreen = new DotScreenPass( new THREE.Vector2( 0, 0 ), 0.5, 0.8 );
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const effectHBlur = new ShaderPass( HorizontalBlurShader );
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const effectVBlur = new ShaderPass( VerticalBlurShader );
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effectHBlur.uniforms[ 'h' ].value = 2 / ( width / 2 );
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effectVBlur.uniforms[ 'v' ].value = 2 / ( height / 2 );
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const effectColorify1 = new ShaderPass( ColorifyShader );
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const effectColorify2 = new ShaderPass( ColorifyShader );
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effectColorify1.uniforms[ 'color' ] = new THREE.Uniform( new THREE.Color( 1, 0.8, 0.8 ) );
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effectColorify2.uniforms[ 'color' ] = new THREE.Uniform( new THREE.Color( 1, 0.75, 0.5 ) );
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const clearMask = new ClearMaskPass();
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const renderMask = new MaskPass( sceneModel, cameraPerspective );
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const renderMaskInverse = new MaskPass( sceneModel, cameraPerspective );
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renderMaskInverse.inverse = true;
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//
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const rtParameters = {
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stencilBuffer: true
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};
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const rtWidth = width / 2;
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const rtHeight = height / 2;
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//
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const renderBackground = new RenderPass( sceneBG, cameraOrtho );
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const renderModel = new RenderPass( sceneModel, cameraPerspective );
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renderModel.clear = false;
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composerScene = new EffectComposer( renderer, new THREE.WebGLRenderTarget( rtWidth * 2, rtHeight * 2, rtParameters ) );
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composerScene.addPass( renderBackground );
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composerScene.addPass( renderModel );
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composerScene.addPass( renderMaskInverse );
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composerScene.addPass( effectHBlur );
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composerScene.addPass( effectVBlur );
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composerScene.addPass( clearMask );
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//
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renderScene = new TexturePass( composerScene.renderTarget2.texture );
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//
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composer1 = new EffectComposer( renderer, new THREE.WebGLRenderTarget( rtWidth, rtHeight, rtParameters ) );
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composer1.addPass( renderScene );
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composer1.addPass( gammaCorrection );
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composer1.addPass( effectFilmBW );
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composer1.addPass( effectVignette );
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//
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composer2 = new EffectComposer( renderer, new THREE.WebGLRenderTarget( rtWidth, rtHeight, rtParameters ) );
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composer2.addPass( renderScene );
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composer2.addPass( gammaCorrection );
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composer2.addPass( effectDotScreen );
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composer2.addPass( renderMask );
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composer2.addPass( effectColorify1 );
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composer2.addPass( clearMask );
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composer2.addPass( renderMaskInverse );
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composer2.addPass( effectColorify2 );
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composer2.addPass( clearMask );
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composer2.addPass( effectVignette );
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//
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composer3 = new EffectComposer( renderer, new THREE.WebGLRenderTarget( rtWidth, rtHeight, rtParameters ) );
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composer3.addPass( renderScene );
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composer3.addPass( gammaCorrection );
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composer3.addPass( effectSepia );
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composer3.addPass( effectFilm );
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composer3.addPass( effectVignette );
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//
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composer4 = new EffectComposer( renderer, new THREE.WebGLRenderTarget( rtWidth, rtHeight, rtParameters ) );
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composer4.addPass( renderScene );
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composer4.addPass( gammaCorrection );
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composer4.addPass( effectBloom );
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composer4.addPass( effectFilm );
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composer4.addPass( effectBleach );
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composer4.addPass( effectVignette );
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renderScene.uniforms[ 'tDiffuse' ].value = composerScene.renderTarget2.texture;
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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halfWidth = window.innerWidth / 2;
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halfHeight = window.innerHeight / 2;
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cameraPerspective.aspect = window.innerWidth / window.innerHeight;
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cameraPerspective.updateProjectionMatrix();
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cameraOrtho.left = - halfWidth;
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cameraOrtho.right = halfWidth;
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cameraOrtho.top = halfHeight;
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cameraOrtho.bottom = - halfHeight;
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cameraOrtho.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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composerScene.setSize( halfWidth * 2, halfHeight * 2 );
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composer1.setSize( halfWidth, halfHeight );
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composer2.setSize( halfWidth, halfHeight );
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composer3.setSize( halfWidth, halfHeight );
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composer4.setSize( halfWidth, halfHeight );
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renderScene.uniforms[ 'tDiffuse' ].value = composerScene.renderTarget2.texture;
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quadBG.scale.set( window.innerWidth, window.innerHeight, 1 );
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quadMask.scale.set( window.innerWidth / 2, window.innerHeight / 2, 1 );
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}
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function createMesh( geometry, scene, scale ) {
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const diffuseMap = new THREE.TextureLoader().load( 'models/gltf/LeePerrySmith/Map-COL.jpg' );
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diffuseMap.encoding = THREE.sRGBEncoding;
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const mat2 = new THREE.MeshPhongMaterial( {
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color: 0x999999,
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specular: 0x080808,
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shininess: 20,
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map: diffuseMap,
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normalMap: new THREE.TextureLoader().load( 'models/gltf/LeePerrySmith/Infinite-Level_02_Tangent_SmoothUV.jpg' ),
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normalScale: new THREE.Vector2( 0.75, 0.75 )
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} );
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mesh = new THREE.Mesh( geometry, mat2 );
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mesh.position.set( 0, - 50, 0 );
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mesh.scale.set( scale, scale, scale );
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scene.add( mesh );
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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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const time = Date.now() * 0.0004;
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if ( mesh ) mesh.rotation.y = - time;
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renderer.setViewport( 0, 0, halfWidth, halfHeight );
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composerScene.render( delta );
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renderer.setViewport( 0, 0, halfWidth, halfHeight );
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composer1.render( delta );
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renderer.setViewport( halfWidth, 0, halfWidth, halfHeight );
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composer2.render( delta );
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renderer.setViewport( 0, halfHeight, halfWidth, halfHeight );
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composer3.render( delta );
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renderer.setViewport( halfWidth, halfHeight, halfWidth, halfHeight );
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composer4.render( delta );
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}
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</script>
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</body>
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</html>
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