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350 lines
7.8 KiB
350 lines
7.8 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 - shadow map</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> - shadowmap - models by <a href="https://mirada.com/" target="_blank" rel="noopener">mirada</a> from <a href="http://www.ro.me" target="_blank" rel="noopener">rome</a><br />
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move camera with WASD / RF + mouse
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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 { FirstPersonControls } from 'three/addons/controls/FirstPersonControls.js';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.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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const SHADOW_MAP_WIDTH = 2048, SHADOW_MAP_HEIGHT = 1024;
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let SCREEN_WIDTH = window.innerWidth;
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let SCREEN_HEIGHT = window.innerHeight;
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const FLOOR = - 250;
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const ANIMATION_GROUPS = 25;
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let camera, controls, scene, renderer;
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let stats;
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const NEAR = 5, FAR = 3000;
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let morph, mixer;
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const morphs = [], animGroups = [];
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const clock = new THREE.Clock();
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init();
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animate();
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function init() {
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const container = document.createElement( 'div' );
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document.body.appendChild( container );
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// CAMERA
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camera = new THREE.PerspectiveCamera( 23, SCREEN_WIDTH / SCREEN_HEIGHT, NEAR, FAR );
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camera.position.set( 700, 50, 1900 );
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// SCENE
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x59472b );
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scene.fog = new THREE.Fog( 0x59472b, 1000, FAR );
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// LIGHTS
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const ambient = new THREE.AmbientLight( 0x444444 );
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scene.add( ambient );
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const light = new THREE.SpotLight( 0xffffff, 1, 0, Math.PI / 5, 0.3 );
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light.position.set( 0, 1500, 1000 );
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light.target.position.set( 0, 0, 0 );
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light.castShadow = true;
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light.shadow.camera.near = 1200;
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light.shadow.camera.far = 2500;
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light.shadow.bias = 0.0001;
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light.shadow.mapSize.width = SHADOW_MAP_WIDTH;
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light.shadow.mapSize.height = SHADOW_MAP_HEIGHT;
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scene.add( light );
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createScene();
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// RENDERER
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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container.appendChild( renderer.domElement );
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renderer.outputEncoding = THREE.sRGBEncoding;
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renderer.autoClear = false;
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//
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renderer.shadowMap.enabled = true;
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renderer.shadowMap.type = THREE.PCFSoftShadowMap;
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// CONTROLS
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controls = new FirstPersonControls( camera, renderer.domElement );
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controls.lookSpeed = 0.0125;
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controls.movementSpeed = 500;
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controls.noFly = false;
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controls.lookVertical = true;
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controls.lookAt( scene.position );
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// STATS
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stats = new Stats();
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container.appendChild( stats.dom );
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//
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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SCREEN_WIDTH = window.innerWidth;
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SCREEN_HEIGHT = window.innerHeight;
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camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
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camera.updateProjectionMatrix();
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renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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controls.handleResize();
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}
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function createScene( ) {
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// GROUND
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const geometry = new THREE.PlaneGeometry( 100, 100 );
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const planeMaterial = new THREE.MeshPhongMaterial( { color: 0xffb851 } );
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const ground = new THREE.Mesh( geometry, planeMaterial );
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ground.position.set( 0, FLOOR, 0 );
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ground.rotation.x = - Math.PI / 2;
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ground.scale.set( 100, 100, 100 );
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ground.castShadow = false;
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ground.receiveShadow = true;
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scene.add( ground );
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// TEXT
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const loader = new FontLoader();
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loader.load( 'fonts/helvetiker_bold.typeface.json', function ( font ) {
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const textGeo = new TextGeometry( 'THREE.JS', {
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font: font,
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size: 200,
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height: 50,
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curveSegments: 12,
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bevelThickness: 2,
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bevelSize: 5,
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bevelEnabled: true
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} );
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textGeo.computeBoundingBox();
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const centerOffset = - 0.5 * ( textGeo.boundingBox.max.x - textGeo.boundingBox.min.x );
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const textMaterial = new THREE.MeshPhongMaterial( { color: 0xff0000, specular: 0xffffff } );
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const mesh = new THREE.Mesh( textGeo, textMaterial );
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mesh.position.x = centerOffset;
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mesh.position.y = FLOOR + 67;
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mesh.castShadow = true;
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mesh.receiveShadow = true;
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scene.add( mesh );
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} );
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// CUBES
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const cubes1 = new THREE.Mesh( new THREE.BoxGeometry( 1500, 220, 150 ), planeMaterial );
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cubes1.position.y = FLOOR - 50;
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cubes1.position.z = 20;
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cubes1.castShadow = true;
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cubes1.receiveShadow = true;
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scene.add( cubes1 );
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const cubes2 = new THREE.Mesh( new THREE.BoxGeometry( 1600, 170, 250 ), planeMaterial );
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cubes2.position.y = FLOOR - 50;
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cubes2.position.z = 20;
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cubes2.castShadow = true;
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cubes2.receiveShadow = true;
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scene.add( cubes2 );
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mixer = new THREE.AnimationMixer( scene );
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for ( let i = 0; i !== ANIMATION_GROUPS; ++ i ) {
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const group = new THREE.AnimationObjectGroup();
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animGroups.push( group );
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}
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// MORPHS
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function addMorph( mesh, clip, speed, duration, x, y, z, fudgeColor, massOptimization ) {
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mesh = mesh.clone();
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mesh.material = mesh.material.clone();
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if ( fudgeColor ) {
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mesh.material.color.offsetHSL( 0, Math.random() * 0.5 - 0.25, Math.random() * 0.5 - 0.25 );
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}
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mesh.speed = speed;
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if ( massOptimization ) {
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const index = Math.floor( Math.random() * ANIMATION_GROUPS ),
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animGroup = animGroups[ index ];
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animGroup.add( mesh );
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if ( ! mixer.existingAction( clip, animGroup ) ) {
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const randomness = 0.6 * Math.random() - 0.3;
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const phase = ( index + randomness ) / ANIMATION_GROUPS;
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mixer.clipAction( clip, animGroup ).
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setDuration( duration ).
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startAt( - duration * phase ).
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play();
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}
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} else {
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mixer.clipAction( clip, mesh ).
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setDuration( duration ).
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startAt( - duration * Math.random() ).
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play();
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}
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mesh.position.set( x, y, z );
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mesh.rotation.y = Math.PI / 2;
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mesh.castShadow = true;
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mesh.receiveShadow = true;
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scene.add( mesh );
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morphs.push( mesh );
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}
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const gltfLoader = new GLTFLoader();
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gltfLoader.load( 'models/gltf/Horse.glb', function ( gltf ) {
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const mesh = gltf.scene.children[ 0 ];
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const clip = gltf.animations[ 0 ];
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for ( let i = - 600; i < 601; i += 2 ) {
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addMorph( mesh, clip, 550, 1, 100 - Math.random() * 3000, FLOOR, i, true, true );
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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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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 delta = clock.getDelta();
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if ( mixer ) mixer.update( delta );
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for ( let i = 0; i < morphs.length; i ++ ) {
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morph = morphs[ i ];
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morph.position.x += morph.speed * delta;
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if ( morph.position.x > 2000 ) {
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morph.position.x = - 1000 - Math.random() * 500;
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}
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}
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controls.update( delta );
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renderer.clear();
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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