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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 - materials</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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-
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- <div id="container"></div>
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- <div id="info"><a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - Phong Material Variantions by <a href="http://clara.io/" target="_blank" rel="noopener">Ben Houston</a>.</div>
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-
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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/[email protected]/dist/es-module-shims.js"></script>
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-
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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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-
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- <script type="module">
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-
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- import * as THREE from 'three';
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-
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- import Stats from 'three/addons/libs/stats.module.js';
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-
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- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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- import { FontLoader } from 'three/addons/loaders/FontLoader.js';
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- import { TextGeometry } from 'three/addons/geometries/TextGeometry.js';
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-
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- let container, stats;
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-
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- let camera, scene, renderer;
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- let particleLight;
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-
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- const loader = new FontLoader();
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- loader.load( 'fonts/gentilis_regular.typeface.json', function ( font ) {
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-
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- init( font );
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- animate();
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-
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- } );
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-
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- function init( font ) {
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-
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- container = document.createElement( 'div' );
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- document.body.appendChild( container );
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-
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- camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 2500 );
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- camera.position.set( 0.0, 400, 400 * 3.5 );
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-
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- //
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-
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- const reflectionCube = new THREE.CubeTextureLoader()
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- .setPath( 'textures/cube/SwedishRoyalCastle/' )
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- .load( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );
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- reflectionCube.colorSpace = THREE.SRGBColorSpace;
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-
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- scene = new THREE.Scene();
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- scene.background = reflectionCube;
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-
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- // Materials
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-
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- let imgTexture = new THREE.TextureLoader().load( 'textures/planets/moon_1024.jpg' );
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- imgTexture.wrapS = imgTexture.wrapT = THREE.RepeatWrapping;
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- imgTexture.colorSpace = THREE.SRGBColorSpace;
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- imgTexture.anisotropy = 16;
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- imgTexture = null;
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-
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- const bumpScale = 1;
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- const cubeWidth = 400;
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- const numberOfSphersPerSide = 5;
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- const sphereRadius = ( cubeWidth / numberOfSphersPerSide ) * 0.8 * 0.5;
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- const stepSize = 1.0 / numberOfSphersPerSide;
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-
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- const geometry = new THREE.SphereGeometry( sphereRadius, 32, 16 );
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-
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- for ( let alpha = 0, alphaIndex = 0; alpha <= 1.0; alpha += stepSize, alphaIndex ++ ) {
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-
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- const specularShininess = Math.pow( 2, alpha * 10 );
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-
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- for ( let beta = 0; beta <= 1.0; beta += stepSize ) {
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-
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- const specularColor = new THREE.Color( beta * 0.2, beta * 0.2, beta * 0.2 );
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-
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- for ( let gamma = 0; gamma <= 1.0; gamma += stepSize ) {
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-
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- // basic monochromatic energy preservation
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- const diffuseColor = new THREE.Color().setHSL( alpha, 0.5, gamma * 0.5 + 0.1 ).multiplyScalar( 1 - beta * 0.2 );
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-
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- const material = new THREE.MeshPhongMaterial( {
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- map: imgTexture,
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- bumpMap: imgTexture,
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- bumpScale: bumpScale,
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- color: diffuseColor,
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- specular: specularColor,
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- reflectivity: beta,
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- shininess: specularShininess,
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- envMap: alphaIndex % 2 === 0 ? null : reflectionCube
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- } );
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-
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- const mesh = new THREE.Mesh( geometry, material );
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-
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- mesh.position.x = alpha * 400 - 200;
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- mesh.position.y = beta * 400 - 200;
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- mesh.position.z = gamma * 400 - 200;
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-
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- scene.add( mesh );
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-
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- }
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-
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- }
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-
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- }
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-
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- function addLabel( name, location ) {
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-
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- const textGeo = new TextGeometry( name, {
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-
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- font: font,
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-
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- size: 20,
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- height: 1,
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- curveSegments: 1
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-
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- } );
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-
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- const textMaterial = new THREE.MeshBasicMaterial( { color: 0xffffff } );
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- const textMesh = new THREE.Mesh( textGeo, textMaterial );
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- textMesh.position.copy( location );
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- scene.add( textMesh );
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-
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- }
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-
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- addLabel( '-shininess', new THREE.Vector3( - 350, 0, 0 ) );
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- addLabel( '+shininess', new THREE.Vector3( 350, 0, 0 ) );
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-
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- addLabel( '-specular, -reflectivity', new THREE.Vector3( 0, - 300, 0 ) );
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- addLabel( '+specular, +reflectivity', new THREE.Vector3( 0, 300, 0 ) );
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-
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- addLabel( '-diffuse', new THREE.Vector3( 0, 0, - 300 ) );
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- addLabel( '+diffuse', new THREE.Vector3( 0, 0, 300 ) );
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-
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- particleLight = new THREE.Mesh( new THREE.SphereGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
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- scene.add( particleLight );
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-
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- // Lights
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-
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- scene.add( new THREE.AmbientLight( 0x666666 ) );
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-
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- const directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );
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- directionalLight.position.set( 1, 1, 1 ).normalize();
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- scene.add( directionalLight );
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-
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- const pointLight = new THREE.PointLight( 0xffffff, 2, 800 );
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- particleLight.add( pointLight );
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-
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- //
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-
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- renderer = new THREE.WebGLRenderer( { antialias: true } );
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- renderer.setPixelRatio( window.devicePixelRatio );
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- renderer.setSize( window.innerWidth, window.innerHeight );
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- container.appendChild( renderer.domElement );
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-
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- //
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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 controls = new OrbitControls( camera, renderer.domElement );
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- controls.minDistance = 200;
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- controls.maxDistance = 2000;
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-
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- window.addEventListener( 'resize', onWindowResize );
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-
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- }
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-
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- function onWindowResize() {
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-
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- camera.aspect = window.innerWidth / window.innerHeight;
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- camera.updateProjectionMatrix();
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-
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- renderer.setSize( window.innerWidth, window.innerHeight );
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-
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- }
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-
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- //
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-
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- function animate() {
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-
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- requestAnimationFrame( animate );
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-
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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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- }
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-
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- function render() {
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-
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- const timer = Date.now() * 0.00025;
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-
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- //camera.position.x = Math.cos( timer ) * 800;
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- //camera.position.z = Math.sin( timer ) * 800;
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-
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- camera.lookAt( scene.position );
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-
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- particleLight.position.x = Math.sin( timer * 7 ) * 300;
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- particleLight.position.y = Math.cos( timer * 5 ) * 400;
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- particleLight.position.z = Math.cos( timer * 3 ) * 300;
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-
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- renderer.render( scene, camera );
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-
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- }
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-
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- </script>
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-
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- </body>
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-</html>
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