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three.js
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Added USDZExporter example

Mr.doob 4 年之前
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共有 4 个文件被更改，包括 158 次插入 和 0 次删除
合并视图 显示文件统计
  1. 1 0
      examples/files.json
  2. 二进制
      examples/files/arkit.png
  3. 157 0
      examples/misc_exporter_usdz.html
  4. 二进制
      examples/screenshots/misc_exporter_usdz.jpg

+ 1 - 0
examples/files.json
查看文件 

@@ -384,6 +384,7 @@
 
 		"misc_exporter_obj",
 
 		"misc_exporter_obj",
 
 		"misc_exporter_ply",
 
 		"misc_exporter_ply",
 
 		"misc_exporter_stl",
 
 		"misc_exporter_stl",
 
+		"misc_exporter_usdz",
 
 		"misc_legacy",
 
 		"misc_legacy",
 
 		"misc_lookat"
 
 		"misc_lookat"
 
 	],
 
 	],

二进制
examples/files/arkit.png
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+ 157 - 0
examples/misc_exporter_usdz.html
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@@ -0,0 +1,157 @@
 
+<!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">
 
+		<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 />
 
+			Battle Damaged Sci-fi Helmet by
 
+			<a href="https://sketchfab.com/theblueturtle_" target="_blank" rel="noopener">theblueturtle_</a>
 
+		</div>
 
+
 
+		<a id="link" rel="ar" href="" download="asset.usdz">
 
+			<img id="button" width="100" src="files/arkit.png">
 
+		</a>
 
+
 
+		<script type="module">
 
+
 
+			import * as THREE from '../build/three.module.js';
 
+
 
+			import { OrbitControls } from './jsm/controls/OrbitControls.js';
 
+			import { RoomEnvironment } from './jsm/environments/RoomEnvironment.js';
 
+
 
+			import { GLTFLoader } from './jsm/loaders/GLTFLoader.js';
 
+			import { USDZExporter } from './jsm/exporters/USDZExporter.js';
 
+
 
+			let camera, scene, renderer;
 
+
 
+			init();
 
+			render();
 
+
 
+			function init() {
 
+
 
+				renderer = new THREE.WebGLRenderer( { antialias: true } );
 
+				renderer.setPixelRatio( window.devicePixelRatio );
 
+				renderer.setSize( window.innerWidth, window.innerHeight );
 
+				renderer.toneMapping = THREE.ACESFilmicToneMapping;
 
+				renderer.outputEncoding = THREE.sRGBEncoding;
 
+				document.body.appendChild( renderer.domElement );
 
+
 
+				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
 
+				camera.position.set( - 2.5, 0.6, 3.0 );
 
+
 
+				const environment = new RoomEnvironment();
 
+				const pmremGenerator = new THREE.PMREMGenerator( renderer );
 
+
 
+				scene = new THREE.Scene();
 
+				scene.background = new THREE.Color( 0xf0f0f0 );
 
+				scene.environment = pmremGenerator.fromScene( environment ).texture;
 
+
 
+				const loader = new GLTFLoader().setPath( 'models/gltf/DamagedHelmet/glTF/' );
 
+				loader.load( 'DamagedHelmet.gltf', async function ( gltf ) {
 
+
 
+					scene.add( gltf.scene );
 
+
 
+					const shadowMesh = createSpotShadowMesh();
 
+					shadowMesh.position.y = - 1.1;
 
+					shadowMesh.position.z = - 0.25;
 
+					shadowMesh.scale.setScalar( 2 );
 
+					scene.add( shadowMesh );
 
+
 
+					render();
 
+
 
+					// USDZ
 
+
 
+					const exporter = new USDZExporter();
 
+					const arraybuffer = await exporter.parse( gltf.scene );
 
+					const blob = new Blob( [ arraybuffer ], { type: 'application/octet-stream' } );
 
+
 
+					const link = document.getElementById( 'link' );
 
+					link.href = URL.createObjectURL( blob );
 
+
 
+				} );
 
+
 
+				const controls = new OrbitControls( camera, renderer.domElement );
 
+				controls.addEventListener( 'change', render ); // use if there is no animation loop
 
+				controls.minDistance = 2;
 
+				controls.maxDistance = 10;
 
+				controls.target.set( 0, - 0.15, - 0.2 );
 
+				controls.update();
 
+
 
+				window.addEventListener( 'resize', onWindowResize );
 
+
 
+			}
 
+
 
+			function createSpotShadowMesh() {
 
+
 
+				const canvas = document.createElement( 'canvas' );
 
+				canvas.width = 128;
 
+				canvas.height = 128;
 
+
 
+				const context = canvas.getContext( '2d' );
 
+				const gradient = context.createRadialGradient( canvas.width / 2, canvas.height / 2, 0, canvas.width / 2, canvas.height / 2, canvas.width / 2 );
 
+				gradient.addColorStop( 0.1, 'rgba(130,130,130,1)' );
 
+				gradient.addColorStop( 1, 'rgba(255,255,255,1)' );
 
+
 
+				context.fillStyle = gradient;
 
+				context.fillRect( 0, 0, canvas.width, canvas.height );
 
+
 
+				const shadowTexture = new THREE.CanvasTexture( canvas );
 
+
 
+				const geometry = new THREE.PlaneGeometry();
 
+				const material = new THREE.MeshBasicMaterial( {
 
+					map: shadowTexture, blending: THREE.MultiplyBlending, toneMapped: false
 
+				} );
 
+
 
+				const mesh = new THREE.Mesh( geometry, material );
 
+				mesh.rotation.x = - Math.PI / 2;
 
+
 
+				return mesh;
 
+
 
+			}
 
+
 
+			function onWindowResize() {
 
+
 
+				camera.aspect = window.innerWidth / window.innerHeight;
 
+				camera.updateProjectionMatrix();
 
+
 
+				renderer.setSize( window.innerWidth, window.innerHeight );
 
+
 
+				render();
 
+
 
+			}
 
+
 
+			//
 
+
 
+			function render() {
 
+
 
+				renderer.render( scene, camera );
 
+
 
+			}
 
+
 
+		</script>
 
+
 
+	</body>
 
+</html>

二进制
examples/screenshots/misc_exporter_usdz.jpg
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