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352 lines
8.9 KiB
352 lines
8.9 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - post processing - Outline Pass</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> - Outline Pass by <a href="http://eduperiment.com" target="_blank" rel="noopener">Prashant Sharma</a> and <a href="https://clara.io" target="_blank" rel="noopener">Ben Houston</a><br/><br/>
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</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 { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { OBJLoader } from 'three/addons/loaders/OBJLoader.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 { OutlinePass } from 'three/addons/postprocessing/OutlinePass.js';
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import { FXAAShader } from 'three/addons/shaders/FXAAShader.js';
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let container, stats;
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let camera, scene, renderer, controls;
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let composer, effectFXAA, outlinePass;
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let selectedObjects = [];
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const raycaster = new THREE.Raycaster();
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const mouse = new THREE.Vector2();
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const obj3d = new THREE.Object3D();
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const group = new THREE.Group();
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const params = {
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edgeStrength: 3.0,
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edgeGlow: 0.0,
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edgeThickness: 1.0,
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pulsePeriod: 0,
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rotate: false,
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usePatternTexture: false
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};
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// Init gui
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const gui = new GUI( { width: 280 } );
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gui.add( params, 'edgeStrength', 0.01, 10 ).onChange( function ( value ) {
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outlinePass.edgeStrength = Number( value );
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} );
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gui.add( params, 'edgeGlow', 0.0, 1 ).onChange( function ( value ) {
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outlinePass.edgeGlow = Number( value );
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} );
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gui.add( params, 'edgeThickness', 1, 4 ).onChange( function ( value ) {
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outlinePass.edgeThickness = Number( value );
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} );
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gui.add( params, 'pulsePeriod', 0.0, 5 ).onChange( function ( value ) {
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outlinePass.pulsePeriod = Number( value );
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} );
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gui.add( params, 'rotate' );
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gui.add( params, 'usePatternTexture' ).onChange( function ( value ) {
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outlinePass.usePatternTexture = value;
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} );
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function Configuration() {
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this.visibleEdgeColor = '#ffffff';
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this.hiddenEdgeColor = '#190a05';
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}
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const conf = new Configuration();
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gui.addColor( conf, 'visibleEdgeColor' ).onChange( function ( value ) {
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outlinePass.visibleEdgeColor.set( value );
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} );
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gui.addColor( conf, 'hiddenEdgeColor' ).onChange( function ( value ) {
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outlinePass.hiddenEdgeColor.set( value );
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} );
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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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const width = window.innerWidth;
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const height = window.innerHeight;
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renderer = new THREE.WebGLRenderer();
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renderer.shadowMap.enabled = true;
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// todo - support pixelRatio in this demo
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renderer.setSize( width, height );
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document.body.appendChild( renderer.domElement );
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( 45, width / height, 0.1, 100 );
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camera.position.set( 0, 0, 8 );
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controls = new OrbitControls( camera, renderer.domElement );
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controls.minDistance = 5;
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controls.maxDistance = 20;
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controls.enablePan = false;
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controls.enableDamping = true;
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controls.dampingFactor = 0.05;
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//
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scene.add( new THREE.AmbientLight( 0xaaaaaa, 0.2 ) );
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const light = new THREE.DirectionalLight( 0xddffdd, 0.6 );
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light.position.set( 1, 1, 1 );
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light.castShadow = true;
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light.shadow.mapSize.width = 1024;
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light.shadow.mapSize.height = 1024;
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const d = 10;
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light.shadow.camera.left = - d;
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light.shadow.camera.right = d;
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light.shadow.camera.top = d;
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light.shadow.camera.bottom = - d;
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light.shadow.camera.far = 1000;
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scene.add( light );
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// model
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const loader = new OBJLoader();
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loader.load( 'models/obj/tree.obj', function ( object ) {
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let scale = 1.0;
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object.traverse( function ( child ) {
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if ( child instanceof THREE.Mesh ) {
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child.geometry.center();
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child.geometry.computeBoundingSphere();
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scale = 0.2 * child.geometry.boundingSphere.radius;
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const phongMaterial = new THREE.MeshPhongMaterial( { color: 0xffffff, specular: 0x111111, shininess: 5 } );
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child.material = phongMaterial;
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child.receiveShadow = true;
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child.castShadow = true;
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}
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} );
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object.position.y = 1;
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object.scale.divideScalar( scale );
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obj3d.add( object );
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} );
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scene.add( group );
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group.add( obj3d );
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//
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const geometry = new THREE.SphereGeometry( 3, 48, 24 );
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for ( let i = 0; i < 20; i ++ ) {
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const material = new THREE.MeshLambertMaterial();
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material.color.setHSL( Math.random(), 1.0, 0.3 );
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const mesh = new THREE.Mesh( geometry, material );
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mesh.position.x = Math.random() * 4 - 2;
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mesh.position.y = Math.random() * 4 - 2;
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mesh.position.z = Math.random() * 4 - 2;
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mesh.receiveShadow = true;
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mesh.castShadow = true;
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mesh.scale.multiplyScalar( Math.random() * 0.3 + 0.1 );
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group.add( mesh );
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}
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const floorMaterial = new THREE.MeshLambertMaterial( { side: THREE.DoubleSide } );
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const floorGeometry = new THREE.PlaneGeometry( 12, 12 );
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const floorMesh = new THREE.Mesh( floorGeometry, floorMaterial );
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floorMesh.rotation.x -= Math.PI * 0.5;
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floorMesh.position.y -= 1.5;
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group.add( floorMesh );
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floorMesh.receiveShadow = true;
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const torusGeometry = new THREE.TorusGeometry( 1, 0.3, 16, 100 );
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const torusMaterial = new THREE.MeshPhongMaterial( { color: 0xffaaff } );
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const torus = new THREE.Mesh( torusGeometry, torusMaterial );
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torus.position.z = - 4;
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group.add( torus );
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torus.receiveShadow = true;
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torus.castShadow = true;
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//
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stats = new Stats();
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container.appendChild( stats.dom );
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// postprocessing
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composer = new EffectComposer( renderer );
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const renderPass = new RenderPass( scene, camera );
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composer.addPass( renderPass );
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outlinePass = new OutlinePass( new THREE.Vector2( window.innerWidth, window.innerHeight ), scene, camera );
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composer.addPass( outlinePass );
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const textureLoader = new THREE.TextureLoader();
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textureLoader.load( 'textures/tri_pattern.jpg', function ( texture ) {
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outlinePass.patternTexture = texture;
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texture.wrapS = THREE.RepeatWrapping;
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texture.wrapT = THREE.RepeatWrapping;
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} );
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effectFXAA = new ShaderPass( FXAAShader );
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effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
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composer.addPass( effectFXAA );
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window.addEventListener( 'resize', onWindowResize );
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renderer.domElement.style.touchAction = 'none';
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renderer.domElement.addEventListener( 'pointermove', onPointerMove );
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function onPointerMove( event ) {
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if ( event.isPrimary === false ) return;
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mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
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mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
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checkIntersection();
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}
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function addSelectedObject( object ) {
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selectedObjects = [];
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selectedObjects.push( object );
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}
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function checkIntersection() {
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raycaster.setFromCamera( mouse, camera );
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const intersects = raycaster.intersectObject( scene, true );
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if ( intersects.length > 0 ) {
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const selectedObject = intersects[ 0 ].object;
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addSelectedObject( selectedObject );
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outlinePass.selectedObjects = selectedObjects;
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} else {
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// outlinePass.selectedObjects = [];
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}
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}
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}
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function onWindowResize() {
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const width = window.innerWidth;
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const 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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effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
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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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const timer = performance.now();
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if ( params.rotate ) {
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group.rotation.y = timer * 0.0001;
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}
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controls.update();
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composer.render();
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stats.end();
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}
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</script>
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</body>
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</html>
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