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297 lines
8.0 KiB
HTML
297 lines
8.0 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgpu - 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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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.webgpu.js",
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"three/webgpu": "../build/three.webgpu.js",
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"three/tsl": "../build/three.tsl.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 { pass, uniform, time, oscSine } from 'three/tsl';
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import { outline } from 'three/addons/tsl/display/OutlineNode.js';
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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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let container, stats;
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let camera, scene, renderer, controls;
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let postProcessing, 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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init();
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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.WebGPURenderer();
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renderer.shadowMap.enabled = true;
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( width, height );
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renderer.setAnimationLoop( animate );
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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, 0.6 ) );
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const light = new THREE.DirectionalLight( 0xddffdd, 2 );
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light.position.set( 5, 5, 5 );
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light.castShadow = true;
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light.shadow.mapSize.width = 2048;
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light.shadow.mapSize.height = 2048;
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light.shadow.bias = - 0.005;
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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 = 25;
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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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// outline pass
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const edgeStrength = uniform( 3.0 );
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const edgeGlow = uniform( 0.0 );
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const edgeThickness = uniform( 1.0 );
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const pulsePeriod = uniform( 0 );
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const visibleEdgeColor = uniform( new THREE.Color( 0xffffff ) );
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const hiddenEdgeColor = uniform( new THREE.Color( 0x4e3636 ) );
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outlinePass = outline( scene, camera, {
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selectedObjects,
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edgeGlow,
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edgeThickness
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} );
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const { visibleEdge, hiddenEdge } = outlinePass;
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const period = time.div( pulsePeriod ).mul( 2 );
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const osc = oscSine( period ).mul( .5 ).add( .5 ); // osc [ 0.5, 1.0 ]
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const outlineColor = visibleEdge.mul( visibleEdgeColor ).add( hiddenEdge.mul( hiddenEdgeColor ) ).mul( edgeStrength );
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const outlinePulse = pulsePeriod.greaterThan( 0 ).select( outlineColor.mul( osc ), outlineColor );
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// postprocessing
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const scenePass = pass( scene, camera );
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postProcessing = new THREE.PostProcessing( renderer );
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postProcessing.outputNode = outlinePulse.add( scenePass );
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// gui
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const gui = new GUI( { width: 280 } );
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gui.add( edgeStrength, 'value', 0.01, 10 ).name( 'edgeStrength' );
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gui.add( edgeGlow, 'value', 0.0, 1 ).name( 'edgeGlow' );
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gui.add( edgeThickness, 'value', 1, 4 ).name( 'edgeThickness' );
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gui.add( pulsePeriod, 'value', 0.0, 5 ).name( 'pulsePeriod' );
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gui.addColor( { color: visibleEdgeColor.value.getHex( THREE.SRGBColorSpace ) }, 'color' ).onChange( ( value ) => {
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visibleEdgeColor.value.set( value );
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} ).name( 'visibleEdgeColor' );
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gui.addColor( { color: hiddenEdgeColor.value.getHex( THREE.SRGBColorSpace ) }, 'color' ).onChange( ( value ) => {
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hiddenEdgeColor.value.set( value );
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} ).name( 'hiddenEdgeColor' );
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//
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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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}
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function animate() {
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stats.begin();
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controls.update();
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postProcessing.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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