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-<!-- Licensed under a BSD license. See license.html for license -->
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-<!DOCTYPE html>
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-<html>
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- <head>
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- <meta charset="utf-8">
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- <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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- <title>Three.js - Game - Load Models</title>
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- <style>
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- html, body {
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- margin: 0;
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- height: 100%;
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- }
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- #c {
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- width: 100%;
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- height: 100%;
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- display: block;
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- }
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- #loading {
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- position: absolute;
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- left: 0;
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- top: 0;
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- width: 100%;
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- height: 100%;
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- display: flex;
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- align-items: center;
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- justify-content: center;
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- text-align: center;
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- font-size: xx-large;
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- font-family: sans-serif;
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- }
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- #loading>div>div {
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- padding: 2px;
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- }
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- .progress {
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- width: 50vw;
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- border: 1px solid black;
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- }
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- #progressbar {
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- width: 0%;
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- height: 1em;
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- background-color: #888;
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- background-image: linear-gradient(
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- -45deg,
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- rgba(255, 255, 255, .5) 25%,
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- transparent 25%,
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- transparent 50%,
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- rgba(255, 255, 255, .5) 50%,
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- rgba(255, 255, 255, .5) 75%,
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- transparent 75%,
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- transparent
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- );
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- background-size: 50px 50px;
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- animation: progressanim 2s linear infinite;
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- }
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-
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- @keyframes progressanim {
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- 0% {
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- background-position: 50px 50px;
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- }
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- 100% {
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- background-position: 0 0;
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- }
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- }
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- </style>
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- </head>
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- <body>
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- <canvas id="c"></canvas>
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- <div id="loading">
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- <div>
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- <div>...loading...</div>
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- <div class="progress"><div id="progressbar"></div></div>
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- </div>
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- </div>
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- </body>
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-<script src="resources/threejs/r105/three.min.js"></script>
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-<script src="resources/threejs/r105/js/controls/OrbitControls.js"></script>
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-<script src="resources/threejs/r105/js/loaders/GLTFLoader.js"></script>
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-<script src="resources/threejs/r105/js/utils/SkeletonUtils.js"></script>
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-<script>
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-'use strict';
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-
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-/* global THREE */
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-
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-function main() {
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- const canvas = document.querySelector('#c');
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- const renderer = new THREE.WebGLRenderer({canvas});
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-
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- const fov = 45;
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- const aspect = 2; // the canvas default
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- const near = 0.1;
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- const far = 100;
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- const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
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- camera.position.set(0, 20, 40);
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-
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- const controls = new THREE.OrbitControls(camera, canvas);
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- controls.target.set(0, 5, 0);
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- controls.update();
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-
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- const scene = new THREE.Scene();
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- scene.background = new THREE.Color('white');
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-
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- function addLight(...pos) {
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- const color = 0xFFFFFF;
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- const intensity = 1;
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- const light = new THREE.DirectionalLight(color, intensity);
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- light.position.set(...pos);
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- scene.add(light);
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- scene.add(light.target);
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- }
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- addLight(5, 5, 2);
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- addLight(-5, 5, 5);
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-
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- const manager = new THREE.LoadingManager();
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- manager.onLoad = init;
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-
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- const progressbarElem = document.querySelector('#progressbar');
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- manager.onProgress = (url, itemsLoaded, itemsTotal) => {
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- progressbarElem.style.width = `${itemsLoaded / itemsTotal * 100 | 0}%`;
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- };
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-
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- const models = {
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- pig: { url: 'resources/models/animals/Pig.gltf' },
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- cow: { url: 'resources/models/animals/Cow.gltf' },
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- llama: { url: 'resources/models/animals/Llama.gltf' },
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- pug: { url: 'resources/models/animals/Pug.gltf' },
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- sheep: { url: 'resources/models/animals/Sheep.gltf' },
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- zebra: { url: 'resources/models/animals/Zebra.gltf' },
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- horse: { url: 'resources/models/animals/Horse.gltf' },
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- knight: { url: 'resources/models/knight/KnightCharacter.gltf' },
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- };
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- {
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- const gltfLoader = new THREE.GLTFLoader(manager);
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- Object.values(models).forEach((model) => {
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- gltfLoader.load(model.url, (gltf) => {
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- console.log('loaded:', model.url);
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- model.gltf = gltf;
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- }, undefined, (error) => {
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- console.error(model.url, error);
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- });
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- });
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- }
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-
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- /* eslint no-console: "off" */
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- function prepModelsAndAnimations() {
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- console.log('prep models-----------------');
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- Object.values(models).forEach(model => {
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- const animsByName = {};
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- console.log(model.url, model.gltf ? 'has gltf' : 'missing gltf');
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- model.gltf.animations.forEach((clip) => {
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- animsByName[clip.name] = clip;
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- });
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- model.animations = animsByName;
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- });
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- }
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-
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- const mixers = [];
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-
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- function init() {
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- // hide the loading bar
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- const loadingElem = document.querySelector('#loading');
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- loadingElem.style.display = 'none';
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-
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- prepModelsAndAnimations();
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-
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- Object.values(models).forEach((model, ndx) => {
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- const clonedScene = THREE.SkeletonUtils.clone(model.gltf.scene);
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- const root = new THREE.Object3D();
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- root.add(clonedScene);
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- scene.add(root);
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- root.position.x = (ndx - 3) * 3;
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-
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- const mixer = new THREE.AnimationMixer(clonedScene);
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- const firstClip = Object.values(model.animations)[0];
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- const action = mixer.clipAction(firstClip);
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- action.play();
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- mixers.push(mixer);
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- });
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- }
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-
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- function resizeRendererToDisplaySize(renderer) {
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- const canvas = renderer.domElement;
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- const width = canvas.clientWidth;
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- const height = canvas.clientHeight;
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- const needResize = canvas.width !== width || canvas.height !== height;
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- if (needResize) {
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- renderer.setSize(width, height, false);
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- }
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- return needResize;
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- }
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-
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- let then = 0;
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- function render(now) {
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- now *= 0.001; // convert to seconds
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- const deltaTime = now - then;
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- then = now;
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-
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- if (resizeRendererToDisplaySize(renderer)) {
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- const canvas = renderer.domElement;
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- camera.aspect = canvas.clientWidth / canvas.clientHeight;
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- camera.updateProjectionMatrix();
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- }
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-
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- for (const mixer of mixers) {
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- mixer.update(deltaTime);
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- }
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-
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- renderer.render(scene, camera);
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-
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- requestAnimationFrame(render);
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- }
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-
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- requestAnimationFrame(render);
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-}
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-
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-main();
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-</script>
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-</html>
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-
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Gregg Tavares