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+<html lang="en">
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+ <head>
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+ <title>WebGPU Nodes</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> WebGPU - nodes<br/>(Chrome Canary with flag: --enable-unsafe-webgpu)
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+ </div>
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+
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+ <script type="module">
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+
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+ import * as THREE from '../build/three.module.js';
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+
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+ import { GUI } from './jsm/libs/dat.gui.module.js';
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+
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+ import WebGPURenderer from './jsm/renderers/webgpu/WebGPURenderer.js';
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+ import WebGPU from './jsm/renderers/webgpu/WebGPU.js';
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+
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+ import { OrbitControls } from './jsm/controls/OrbitControls.js';
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+ import { TeapotGeometry } from './jsm/geometries/TeapotGeometry.js';
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+
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+ import PositionNode from './jsm/renderers/nodes/accessors/PositionNode.js';
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+ import NormalNode from './jsm/renderers/nodes/accessors/NormalNode.js';
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+ import TextureNode from './jsm/renderers/nodes/inputs/TextureNode.js';
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+
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+ let gui;
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+
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+ let controls, camera, scene, renderer;
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+
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+ let teapot, material, texture;
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+
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+ let rotateTeapot = false;
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+
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+ const param = { example: new URL( window.location.href ).searchParams.get( 'e' ) || 'texture' };
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+
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+ init().then( animate ).catch( error );
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+
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+ function addGui( name, value, callback, isColor, min, max ) {
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+
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+ let node;
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+
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+ param[ name ] = value;
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+
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+ if ( isColor ) {
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+
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+ node = gui.addColor( param, name ).onChange( function () {
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+
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+ callback( param[ name ] );
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+
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+ } );
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+
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+ } else if ( typeof value === 'object' ) {
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+
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+ param[ name ] = value[ Object.keys( value )[ 0 ] ];
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+
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+ node = gui.add( param, name, value ).onChange( function () {
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+
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+ callback( param[ name ] );
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+
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+ } );
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+
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+ } else {
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+
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+ node = gui.add( param, name, min, max ).onChange( function () {
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+
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+ callback( param[ name ] );
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+
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+ } );
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+
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+ }
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+
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+ return node;
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+
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+ }
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+
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+ function clearGui() {
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+
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+ if ( gui ) gui.destroy();
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+
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+ gui = new GUI();
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+
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+ gui.add( param, 'example', {
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+ 'texture': 'texture',
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+ 'position': 'position',
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+ 'normal': 'normal',
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+ 'empty': 'empty'
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+ } ).onFinishChange( function () {
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+
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+ updateMaterial();
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+
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+ } );
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+
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+ gui.open();
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+
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+ }
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+
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+ function updateMaterial() {
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+
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+ clearGui();
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+
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+ rotateTeapot = false;
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+
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+ const name = param.example;
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+
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+ switch ( name ) {
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+
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+ case 'texture':
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+
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+ material.colorNode = new TextureNode( texture );
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+
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+ break;
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+
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+ case 'position':
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+
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+ const positionNode = new PositionNode( PositionNode.VIEW );
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+
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+ material.colorNode = positionNode;
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+
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+ addGui( 'scope', {
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+ local: PositionNode.LOCAL
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+ }, function ( val ) {
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+
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+ positionNode.scope = val;
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+
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+ material.dispose();
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+
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+ } );
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+
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+ break;
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+
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+ case 'normal':
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+
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+ const normalNode = new NormalNode( NormalNode.VIEW );
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+
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+ material.colorNode = normalNode;
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+
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+ addGui( 'scope', {
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+ view: NormalNode.VIEW,
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+ local: NormalNode.LOCAL,
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+ world: NormalNode.WORLD
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+ }, function ( val ) {
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+
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+ normalNode.scope = val;
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+
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+ material.dispose();
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+
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+ } );
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+
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+ addGui( 'rotate', false, function ( val ) {
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+
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+ rotateTeapot = val;
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+
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+ } );
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+
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+ break;
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+
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+ case 'empty':
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+
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+ material.colorNode = undefined;
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+
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+ break;
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+
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+ }
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+
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+ material.dispose();
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+
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+ }
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+
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+ async function init() {
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+
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+ if ( WebGPU.isAvailable() === false ) {
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+
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+ document.body.appendChild( WebGPU.getErrorMessage() );
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+
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+ throw 'No WebGPU support';
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+
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+ }
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+
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+ camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 10 );
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+ camera.position.y = 3;
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+ camera.position.z = 6;
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+
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+ scene = new THREE.Scene();
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+ scene.background = new THREE.Color( 0x222222 );
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+
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+ // textures
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+
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+ const textureLoader = new THREE.TextureLoader();
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+
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+ texture = textureLoader.load( './textures/uv_grid_opengl.jpg' );
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+ texture.wrapS = THREE.RepeatWrapping;
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+ texture.wrapT = THREE.RepeatWrapping;
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+ texture.name = 'uv_grid';
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+
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+ // teapot mesh
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+
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+ const geometryTeapot = new TeapotGeometry( 1, 18 );
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+
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+ material = new THREE.MeshBasicMaterial();
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+
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+ teapot = new THREE.Mesh( geometryTeapot, material );
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+ scene.add( teapot );
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+
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+ //
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+
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+ renderer = new WebGPURenderer();
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ document.body.appendChild( renderer.domElement );
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+
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+ //
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+
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+ controls = new OrbitControls( camera, renderer.domElement );
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+ controls.minDistance = 3;
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+ controls.maxDistance = 8;
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+
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+ //
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+
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+ updateMaterial();
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+
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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize );
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+
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+ return renderer.init();
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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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+ function animate() {
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+
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+ requestAnimationFrame( animate );
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+
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+ if ( rotateTeapot ) {
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+
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+ teapot.rotation.x += 0.01;
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+
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+ } else {
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+
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+ teapot.rotation.x = 0;
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+
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+ }
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+ //teapot.rotation.y += 0.02;
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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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+ function error( error ) {
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+
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+ console.error( error );
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+
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+ }
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+
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+ </script>
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+ </body>
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+</html>
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sunag