midas
/
threejs-obj-space


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
	<title>three.js webgl - loaders - Draco loader</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">
</head>

<body>
	<div id="container"></div>
	<div id="info">
		<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> -
		<a href="https://github.com/google/draco" target="_blank" rel="noopener">DRACO</a> loader
	</div>

	<script type="module">
		import * as THREE from '../build/three.module.js';

		import { DRACOLoader } from './jsm/loaders/DRACOLoader.js';

		var camera, scene, renderer;

		var container = document.querySelector( '#container' );

		// Configure and create Draco decoder.
		var dracoLoader = new DRACOLoader();
		dracoLoader.setDecoderPath( 'js/libs/draco/' );
		dracoLoader.setDecoderConfig( { type: 'js' } );

		init();
		animate();

		function init() {

			camera = new THREE.PerspectiveCamera( 35, window.innerWidth / window.innerHeight, 0.1, 15 );
			camera.position.set( 3, 0.25, 3 );

			scene = new THREE.Scene();
			scene.background = new THREE.Color( 0x443333 );
			scene.fog = new THREE.Fog( 0x443333, 1, 4 );

			// Ground
			var plane = new THREE.Mesh(
				new THREE.PlaneBufferGeometry( 8, 8 ),
				new THREE.MeshPhongMaterial( { color: 0x999999, specular: 0x101010 } )
			);
			plane.rotation.x = - Math.PI / 2;
			plane.position.y = 0.03;
			plane.receiveShadow = true;
			scene.add( plane );

			// Lights
			var light = new THREE.HemisphereLight( 0x443333, 0x111122 );
			scene.add( light );

			var light = new THREE.SpotLight();
			light.angle = Math.PI / 16;
			light.penumbra = 0.5;
			light.castShadow = true;
			light.position.set( - 1, 1, 1 );
			scene.add( light );

			dracoLoader.load( 'models/draco/bunny.drc', function ( geometry ) {

				geometry.computeVertexNormals();

				var material = new THREE.MeshStandardMaterial( { color: 0x606060 } );
				var mesh = new THREE.Mesh( geometry, material );
				mesh.castShadow = true;
				mesh.receiveShadow = true;
				scene.add( mesh );

				// Release decoder resources.
				dracoLoader.dispose();

			} );

			// renderer
			renderer = new THREE.WebGLRenderer( { antialias: true } );
			renderer.setPixelRatio( window.devicePixelRatio );
			renderer.setSize( window.innerWidth, window.innerHeight );
			renderer.outputEncoding = THREE.sRGBEncoding;
			renderer.shadowMap.enabled = true;
			container.appendChild( renderer.domElement );

			window.addEventListener( 'resize', onWindowResize, false );

		}

		function onWindowResize() {

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

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

		}

		function animate() {

			render();
			requestAnimationFrame( animate );

		}

		function render() {

			var timer = Date.now() * 0.0003;

			camera.position.x = Math.sin( timer ) * 0.5;
			camera.position.z = Math.cos( timer ) * 0.5;
			camera.lookAt( 0, 0.1, 0 );

			renderer.render( scene, camera );

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