samien
/
three.js
mirror da https://github.com/mrdoob/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - USDZ exporter</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<meta property="og:title" content="three.js webgl - USDZ exporter">
		<meta property="og:type" content="website">
		<meta property="og:url" content="https://threejs.org/examples/misc_exporter_usdz.html">
		<meta property="og:image" content="https://threejs.org/examples/screenshots/misc_exporter_usdz.jpg">
		<link type="text/css" rel="stylesheet" href="main.css">
		<style>
			body {
				background-color: #eee;
			}
			#info {
				color: #222;
			}
			a {
				color: #00f
			}
			#button {
				position: absolute;
				bottom: 15px;
				left: calc(50% - 40px);

			}
		</style>
	</head>

	<body>
		<div id="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - USDZ exporter<br />
			Carbon Frame Bike by
			<a href="https://sketchfab.com/prefrontalcortex" target="_blank" rel="noopener">prefrontal cortex</a>
		</div>

		<a id="link" rel="ar" href="" download="asset.usdz">
			<img id="button" width="100" src="files/arkit.png">
		</a>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.module.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { RoomEnvironment } from 'three/addons/environments/RoomEnvironment.js';

			import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
			import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js';
			import { KTX2Loader } from 'three/addons/loaders/KTX2Loader.js';
			import { USDZExporter } from 'three/addons/exporters/USDZExporter.js';
			import * as WebGLTextureUtils from 'three/addons/utils/WebGLTextureUtils.js';
			import { GUI } from 'three/addons/libs/lil-gui.module.min.js';

			let camera, scene, renderer, mixer, timer, controls;

			const params = {
				exportUSDZ: exportUSDZ
			};

			init();

			function init() {

				timer = new THREE.Timer();

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				renderer.toneMapping = THREE.ACESFilmicToneMapping;
				document.body.appendChild( renderer.domElement );

				camera = new THREE.PerspectiveCamera( 35, window.innerWidth / window.innerHeight, 0.25, 20 );
				camera.position.set( - 2.5, 1.6, 3.0 );

				const pmremGenerator = new THREE.PMREMGenerator( renderer );

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0xf0f0f0 );
				scene.environment = pmremGenerator.fromScene( new RoomEnvironment(), 0.04 ).texture;

				const ktx2loader = new KTX2Loader().detectSupport( renderer );
				const dracoLoader = new DRACOLoader();
				const gltfLoader = new GLTFLoader();
			
				gltfLoader.setDRACOLoader( dracoLoader );
				gltfLoader.setKTX2Loader( ktx2loader );
				gltfLoader.setPath( 'models/gltf/' );
				gltfLoader.load( 'CarbonFrameBike.glb', async function ( gltf ) {

					scene.add( gltf.scene );

					if ( gltf.animations.length > 0 ) {

						mixer = new THREE.AnimationMixer( gltf.scene );
						const action = mixer.clipAction( gltf.animations[ 0 ] );
						action.setLoop( THREE.LoopRepeat, Infinity );
						action.play();

					}


					// USDZ

					const exporter = new USDZExporter();
					exporter.setTextureUtils( WebGLTextureUtils ); // for texture decompresssing
					const arraybuffer = await exporter.parseAsync( gltf.scene, { animations: gltf.animations } );
					const blob = new Blob( [ arraybuffer ], { type: 'application/octet-stream' } );

					const link = document.getElementById( 'link' );
					link.href = URL.createObjectURL( blob );

				} );

				controls = new OrbitControls( camera, renderer.domElement );
				controls.minDistance = 2;
				controls.maxDistance = 10;
				controls.enableDamping = true;
				controls.target.set( 0, 0.7, 0 );
				controls.update();

				window.addEventListener( 'resize', onWindowResize );

				const isIOS = /iPad|iPhone|iPod/.test( navigator.userAgent );

				if ( isIOS === false ) {

					const gui = new GUI();

					gui.add( params, 'exportUSDZ' ).name( 'Export USDZ' );
					gui.open();

				}

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function exportUSDZ() {

				const link = document.getElementById( 'link' );
				link.click();

			}

			//

			function animate() {

				timer.update();

				const delta = timer.getDelta();

				if ( mixer ) mixer.update( delta );

				controls.update();

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>