javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - PLY</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> -
			PLY loader test by <a href="https://github.com/menway" target="_blank" rel="noopener">Wei Meng</a>.<br/>
			Image from <a href="http://people.sc.fsu.edu/~jburkardt/data/ply/ply.html">John Burkardt</a>
		</div>

		<script type="module">
			import {
				Color,
				DirectionalLight,
				Fog,
				HemisphereLight,
				Mesh,
				MeshPhongMaterial,
				MeshStandardMaterial,
				PerspectiveCamera,
				PlaneBufferGeometry,
				Scene,
				Vector3,
				WebGLRenderer,
			} from "../build/three.module.js";

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

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

			var container, stats;

			var camera, cameraTarget, scene, renderer;

			init();
			animate();

			function init() {

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

				camera = new PerspectiveCamera( 35, window.innerWidth / window.innerHeight, 1, 15 );
				camera.position.set( 3, 0.15, 3 );

				cameraTarget = new Vector3( 0, - 0.1, 0 );

				scene = new Scene();
				scene.background = new Color( 0x72645b );
				scene.fog = new Fog( 0x72645b, 2, 15 );


				// Ground

				var plane = new Mesh(
					new PlaneBufferGeometry( 40, 40 ),
					new MeshPhongMaterial( { color: 0x999999, specular: 0x101010 } )
				);
				plane.rotation.x = - Math.PI / 2;
				plane.position.y = - 0.5;
				scene.add( plane );

				plane.receiveShadow = true;


				// PLY file

				var loader = new PLYLoader();
				loader.load( './models/ply/ascii/dolphins.ply', function ( geometry ) {

					geometry.computeVertexNormals();

					var material = new MeshStandardMaterial( { color: 0x0055ff, flatShading: true } );
					var mesh = new Mesh( geometry, material );

					mesh.position.y = - 0.2;
					mesh.position.z = 0.3;
					mesh.rotation.x = - Math.PI / 2;
					mesh.scale.multiplyScalar( 0.001 );

					mesh.castShadow = true;
					mesh.receiveShadow = true;

					scene.add( mesh );

				} );

				loader.load( './models/ply/binary/Lucy100k.ply', function ( geometry ) {

					geometry.computeVertexNormals();

					var material = new MeshStandardMaterial( { color: 0x0055ff, flatShading: true } );
					var mesh = new Mesh( geometry, material );

					mesh.position.x = - 0.2;
					mesh.position.y = - 0.02;
					mesh.position.z = - 0.2;
					mesh.scale.multiplyScalar( 0.0006 );

					mesh.castShadow = true;
					mesh.receiveShadow = true;

					scene.add( mesh );

				} );

				// Lights

				scene.add( new HemisphereLight( 0x443333, 0x111122 ) );

				addShadowedLight( 1, 1, 1, 0xffffff, 1.35 );
				addShadowedLight( 0.5, 1, - 1, 0xffaa00, 1 );

				// renderer

				renderer = new WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );

				renderer.gammaInput = true;
				renderer.gammaOutput = true;

				renderer.shadowMap.enabled = true;

				container.appendChild( renderer.domElement );

				// stats

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

				// resize

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

			}

			function addShadowedLight( x, y, z, color, intensity ) {

				var directionalLight = new DirectionalLight( color, intensity );
				directionalLight.position.set( x, y, z );
				scene.add( directionalLight );

				directionalLight.castShadow = true;

				var d = 1;
				directionalLight.shadow.camera.left = - d;
				directionalLight.shadow.camera.right = d;
				directionalLight.shadow.camera.top = d;
				directionalLight.shadow.camera.bottom = - d;

				directionalLight.shadow.camera.near = 1;
				directionalLight.shadow.camera.far = 4;

				directionalLight.shadow.mapSize.width = 1024;
				directionalLight.shadow.mapSize.height = 1024;

				directionalLight.shadow.bias = - 0.001;

			}

			function onWindowResize() {

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

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

			}

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				var timer = Date.now() * 0.0005;

				camera.position.x = Math.sin( timer ) * 2.5;
				camera.position.z = Math.cos( timer ) * 2.5;

				camera.lookAt( cameraTarget );

				renderer.render( scene, camera );

			}

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