poly-sample-web/basic-sample.html at master · googlevr/poly-sample-web · GitHub

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<!DOCTYPE html>
<!--

Copyright 2017 Google Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

-->
<html lang="en">
	<head>
		<title></title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>
			html {
				height: 100%;
			}
			body {
				height: 100%;
				font-family: sans-serif;
				line-height: 24px;
			}
			#viewer {
				width: 100%;
				height: calc(100% - 80px);
			}
			#info {
				padding: 12px;
				text-align: center;
			}
			#asset_name {
				font-size: 22px;
				font-weight: bold;
			}
			#asset_author {
				color: #888;
			}
		</style>
	</head>
	<body>

		<div id="viewer"></div>

		<div id="info">
			<span id="asset_name">Title</span><br/>
			by <span id="asset_author">Author</span>
		</div>

		<script src="third_party/three.js/js/three.min.js"></script>
		<script src="third_party/three.js/js/OBJLoader.js"></script>
		<script src="third_party/three.js/js/MTLLoader.js"></script>
		<script>

			// THREE.JS VIEWER

			const WIDTH = viewer.offsetWidth;
			const HEIGHT = viewer.offsetHeight;

			var camera = new THREE.PerspectiveCamera( 60, WIDTH / HEIGHT, 0.01, 100 );
			camera.position.set( 5, 3, 5 );
			camera.lookAt( 0, 1.5, 0 );

			var scene = new THREE.Scene();
			scene.background = new THREE.Color( 0x222222 );

			scene.add( new THREE.GridHelper( 10, 10 ) );

			var ambient = new THREE.HemisphereLight( 0xbbbbff, 0x886666, 0.75 );
			ambient.position.set( -0.5, 0.75, -1 );
			scene.add( ambient );

			var light = new THREE.DirectionalLight( 0xffffff, 0.75 );
			light.position.set( 1, 0.75, 0.5 );
			scene.add( light );

			var renderer = new THREE.WebGLRenderer();
			renderer.setPixelRatio( window.devicePixelRatio );
			renderer.setSize( WIDTH, HEIGHT );
			viewer.appendChild( renderer.domElement );

			function animate() {

				var time = performance.now() / 5000;

				camera.position.x = Math.sin( time ) * 5;
				camera.position.z = Math.cos( time ) * 5;
				camera.lookAt( 0, 1.5, 0 );

				renderer.render( scene, camera );
				requestAnimationFrame( animate );

			}

			requestAnimationFrame( animate );

			// POLY REST API

			const API_KEY = '*** INSERT YOUR API KEY HERE ***';

			function loadAsset( id ) {

				var url = `https://poly.googleapis.com/v1/assets/${id}/?key=${API_KEY}`;

				var request = new XMLHttpRequest();
				request.open( 'GET', url, true );
				request.addEventListener( 'load', function ( event ) {

					var asset = JSON.parse( event.target.response );

					asset_name.textContent = asset.displayName;
					asset_author.textContent = asset.authorName;

					var format = asset.formats.find( format => { return format.formatType === 'OBJ'; } );

					if ( format !== undefined ) {

						var obj = format.root;
						var mtl = format.resources.find( resource => { return resource.url.endsWith( 'mtl' ) } );

						var path = obj.url.slice( 0, obj.url.indexOf( obj.relativePath ) );

						var loader = new THREE.MTLLoader();
						loader.setCrossOrigin( true );
						loader.setMaterialOptions( { ignoreZeroRGBs: true } );
						loader.setTexturePath( path );
						loader.load( mtl.url, function ( materials ) {

							var loader = new THREE.OBJLoader();
							loader.setMaterials( materials );
							loader.load( obj.url, function ( object ) {

								var box = new THREE.Box3();
								box.setFromObject( object );

								// re-center

								var center = box.getCenter();
								center.y = box.min.y;
								object.position.sub( center );

								// scale

								var scaler = new THREE.Group();
								scaler.add( object );
								scaler.scale.setScalar( 6 / box.getSize().length() );
								scene.add( scaler );

							} );

						} );

					}

				} );
				request.send( null );

			}

			if ( API_KEY.startsWith( '**' ) ) {

				alert( 'Sample incorrectly set up. Please enter your API Key for the Poly API in the API_KEY variable.' );

			}

			loadAsset( '5vbJ5vildOq' );

		</script>
	</body>
</html>