javascript
/
three.js
镜像来自 https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - CTM loader materials</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="info">
			<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> webgl -
			using <a href="https://github.com/jcmellado/js-openctm"  target="_blank" rel="noopener">js-openctm</a><br/>
			camaro by <a href="http://www.turbosquid.com/3d-models/blender-camaro/411348" target="_blank" rel="noopener">dskfnwn</a> -
			skybox by <a href="http://ict.debevec.org/~debevec/" target="_blank" rel="noopener">Paul Debevec</a>
		</div>

		<script type="module">

			import * as THREE from '../build/three.module.js';

			import Stats from './jsm/libs/stats.module.js';

			import { CTMLoader } from './jsm/loaders/ctm/CTMLoader.js';
			import { OrbitControls } from './jsm/controls/OrbitControls.js';

			var SCREEN_WIDTH = window.innerWidth;
			var SCREEN_HEIGHT = window.innerHeight;

			var container, stats;

			var camera, scene, controls;
			var renderer;

			var textureCube;

			init();
			animate();

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				// CAMERA

				camera = new THREE.PerspectiveCamera( 30, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 10000 );
				camera.position.set( 185, 40, 170 );

				// SCENE

				var r = "textures/cube/pisa/";
				var urls = [
					r + "px.png", r + "nx.png",
					r + "py.png", r + "ny.png",
					r + "pz.png", r + "nz.png"
				];

				textureCube = new THREE.CubeTextureLoader().load( urls );

				scene = new THREE.Scene();
				scene.background = textureCube;

				// LIGHTS

				var light = new THREE.PointLight( 0xffffff, 1 );
				light.position.set( 2, 5, 1 );
				light.position.multiplyScalar( 30 );
				scene.add( light );

				var light = new THREE.PointLight( 0xffffff, 0.75 );
				light.position.set( - 12, 4.6, 2.4 );
				light.position.multiplyScalar( 30 );
				scene.add( light );

				scene.add( new THREE.AmbientLight( 0x050505 ) );

				// RENDERER

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				renderer.gammaInput = true;
				renderer.gammaOutput = true;
				renderer.domElement.style.position = "relative";
				container.appendChild( renderer.domElement );

				controls = new OrbitControls( camera, renderer.domElement );
				controls.maxPolarAngle = Math.PI / 2;
				controls.minDistance = 150;
				controls.maxDistance = 500;

				// STATS

				stats = new Stats();
				container.appendChild( stats.dom );

				// EVENTS

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

				// LOADER

				var start = Date.now();

				// new way via CTMLoader and separate parts

				var position = new THREE.Vector3( - 105, - 78, - 30 );
				var scale = new THREE.Vector3( 30, 30, 30 );

				var loader = new CTMLoader();
				loader.setWorkerPath( "js/loaders/ctm/CTMWorker.js" );

				loader.loadParts( "models/ctm/camaro/camaro.js", function ( geometries, materials ) {

					hackMaterials( materials );

					for ( var i = 0; i < geometries.length; i ++ ) {

						var mesh = new THREE.Mesh( geometries[ i ], materials[ i ] );
						mesh.position.copy( position );
						mesh.scale.copy( scale );
						scene.add( mesh );

					}

					var end = Date.now();

					console.log( "load time:", end - start, "ms" );

				}, { useWorker: true } );

			}

			//

			function hackMaterials( materials ) {

				for ( var i = 0; i < materials.length; i ++ ) {

					var m = materials[ i ];

					if ( m.name.indexOf( "Body" ) !== - 1 ) {

						var mm = new THREE.MeshStandardMaterial();

						mm.color.setHex( 0x000000 );
						mm.lightMap = m.map;
						mm.envMap = textureCube;
						mm.metalness = 0.5;
						mm.roughness = 0.3;

						materials[ i ] = mm;

					} else if ( m.name.indexOf( "tire_car" ) !== - 1 ) {

						var mm = new THREE.MeshStandardMaterial();

						mm.color.setHex( 0x000000 );
						mm.lightMap = m.map;
						mm.metalness = 0.1;
						mm.roughness = 0.9;

						materials[ i ] = mm;

					} else if ( m.name.indexOf( "mirror" ) !== - 1 ) {

						var mm = new THREE.MeshStandardMaterial();

						mm.color.setHex( 0x808080 );
						mm.lightMap = m.map;
						mm.envMap = textureCube;
						mm.metalness = 0.9;
						mm.roughness = 0.5;

						materials[ i ] = mm;

					} else if ( m.name.indexOf( "glass" ) !== - 1 ) {

						var mm = new THREE.MeshStandardMaterial();

						mm.color.copy( m.color );
						mm.envMap = textureCube;
						mm.metalness = 1;
						mm.roughtness = 0.1;
						mm.opacity = m.opacity;
						mm.transparent = true;

						materials[ i ] = mm;

					} else if ( m.name.indexOf( "Material.001" ) !== - 1 ) {

						var mm = new THREE.MeshPhongMaterial( { map: m.map } );

						mm.specularMap = m.map;
						mm.shininess = 30;
						mm.color.setHex( 0x404040 );

						materials[ i ] = mm;

					}

					materials[ i ].side = THREE.DoubleSide;

				}

			}

			//

			function onWindowResize() {

				SCREEN_WIDTH = window.innerWidth;
				SCREEN_HEIGHT = window.innerHeight;

				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );

				camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
				camera.updateProjectionMatrix();

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>