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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 - GLTF with progressive loading</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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+
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+ <!--
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+ Documentation:
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+ https://www.npmjs.com/package/@needle-tools/gltf-progressive
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+
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+ Example:
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+ Initial download reduced by 98.8% with progressive loading.
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+ Mesh and texture LODs are loaded on demand depending on the mesh size on screen.
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+
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+ → 237.9 MB original asset sizes
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+ → 2.9 MB initial download (base data)
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+ → 46.3 MB progressive download on demand (all LODs, in reality only individual levels are actually loaded)
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+ -->
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+
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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> - GLTF progressive loading: 82x faster - <a href="https://www.npmjs.com/package/@needle-tools/gltf-progressive" target="_blank" rel="noopener">@needle-tools/gltf-progressive</a>
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+
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+ <br />
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+ <br />
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+ Mobile Home & Peachy Balloon by
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+ <a href="https://sketchfab.com/3d-models/mobile-home-5240b1dbc29c4ea28be7f91b3638951a" target="_blank" rel="noopener">ConradJustin</a><br/>
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+ The Forgotten Knight by
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+ <a href="https://sketchfab.com/3d-models/the-forgotten-knight-d14eb14d83bd4e7ba7cbe443d76a10fd" target="_blank" rel="noopener">Dark Igorek</a><br />
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+ <a href="https://hdrihaven.com/hdri/?h=quarry_01" target="_blank" rel="noopener">Quarry 01</a> from <a href="https://hdrihaven.com/" target="_blank" rel="noopener">HDRI Haven</a>
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+ </div>
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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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+ "three/examples/": "./",
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+ "@needle-tools/gltf-progressive": "https://cdn.jsdelivr.net/npm/@needle-tools/gltf-progressive@3.2.0/gltf-progressive.min.js"
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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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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+ import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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+ import { HDRLoader } from 'three/addons/loaders/HDRLoader.js';
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+ import { useNeedleProgressive } from '@needle-tools/gltf-progressive';
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+
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+ let camera, scene, renderer, mixer;
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+ let airshipModel;
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+
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+ init();
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+
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+ function init() {
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+
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+ const container = document.createElement( 'div' );
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+ document.body.appendChild( container );
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+
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+ scene = new THREE.Scene();
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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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+ renderer.toneMapping = THREE.ACESFilmicToneMapping;
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+ renderer.toneMappingExposure = 1;
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+
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+ camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 0.1, 40 );
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+ camera.position.set( -9, 2, -13 );
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+
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+ const fog = new THREE.Fog( "#131055", 15, 50 );
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+ scene.fog = fog;
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+
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+ const controls = new OrbitControls( camera, renderer.domElement );
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+ controls.minDistance = .1;
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+ controls.maxDistance = 20;
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+ controls.target.set( -1, 2.1, 0 );
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+ controls.update();
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+
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+ new HDRLoader()
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+ .setPath( 'textures/equirectangular/' )
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+ .load( 'quarry_01_1k.hdr', function ( texture ) {
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+
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+ texture.mapping = THREE.EquirectangularReflectionMapping;
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+
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+ scene.background = new THREE.Color( "#192022" );
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+ scene.backgroundBlurriness = .5;
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+ scene.environment = texture;
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+ scene.environmentRotation = new THREE.Euler( 0, Math.PI / -2, 0, 'XYZ' );
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+
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+ } );
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+
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+
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+ mixer = new THREE.AnimationMixer(scene);
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+
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+ const loader = new GLTFLoader();
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+
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+ useNeedleProgressive(loader, renderer);
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+
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+ loader.load('https://cloud.needle.tools/-/assets/Z23hmXBZ2sPRdk-world/file', function ( gltf ) {
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+
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+ const model = gltf.scene;
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+
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+ model.scale.multiplyScalar( 0.1 );
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+
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+ scene.add( model );
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+
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+ const animations = gltf.animations;
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+ if ( animations && animations.length ) {
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+
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+ for (const animation of animations) {
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+
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+ mixer.clipAction(animation).play();
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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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+ loader.load('https://cloud.needle.tools/-/assets/Z23hmXBZnlceI-ZnlceI-world/file', function ( gltf ) {
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+
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+ const model = gltf.scene;
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+
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+ model.scale.multiplyScalar( 0.0005 );
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+
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+ model.position.set( 1.6, 6, 7 );
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+
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+ model.rotation.set( 0, Math.PI * 1.4, 0 );
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+
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+ scene.add( model );
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+
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+ airshipModel = model;
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+
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+ const animations = gltf.animations;
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+ if ( animations && animations.length ) {
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+
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+ for (const animation of animations) {
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+
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+ mixer.clipAction(animation).play();
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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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+ loader.load('https://cloud.needle.tools/-/assets/Z23hmXBZ21QnG-Z21QnG-product/file', function ( gltf ) {
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+
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+ const model = gltf.scene;
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+
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+ model.scale.multiplyScalar( 0.5 );
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+
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+ model.position.set( 2, 5.15, 2.3 );
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+
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+ model.rotation.set( 0, Math.PI * 1, 0 );
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+
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+ scene.add( model );
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+
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+ const animations = gltf.animations;
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+ if ( animations && animations.length ) {
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+
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+ for (const animation of animations) {
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+
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+ mixer.clipAction(animation).play();
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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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+ container.appendChild( renderer.domElement );
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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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+ const clock = new THREE.Clock();
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+ let time = 0;
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+
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+ function animate() {
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+
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+ const dt = clock.getDelta();
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+ time += dt;
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+
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+ mixer.update(dt);
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+
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+ if( airshipModel ) {
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+
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+ airshipModel.position.y += Math.sin(time) * 0.002;
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+
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+ }
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+
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+ renderer.render( scene, camera );
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+
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+ window.requestAnimationFrame( animate );
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+ }
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+
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+ animate();
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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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Marcel Wiessler
