three实现一个vr三维过山车动画效果代码-html代码-BFW代码库

three实现一个vr三维过山车动画效果代码

代码语言：html

所属分类：三维

代码描述：three实现一个vr三维过山车动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">
	<head>
	
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">

	</head>
	<body>
		<!-- Import maps polyfill -->
		<!-- Remove this when import maps will be widely supported -->
		<script async type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/es-module-shims.1.3.6.js"></script>


		<script type="importmap">
			{
				"imports": {
					"three": "//repo.bfw.wiki/bfwtool/build/three.module.js"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';

			import Stats from '//repo.bfw.wiki/bfwtool/examples/jsm/libs/stats.module.js';

			import {
				RollerCoasterGeometry,
				RollerCoasterShadowGeometry,
				RollerCoasterLiftersGeometry,
				TreesGeometry,
				SkyGeometry
			} from '//repo.bfw.wiki/bfwtool/examples/jsm/misc/RollerCoaster.js';
			import { VRButton } from '//repo.bfw.wiki/bfwtool/examples/jsm/webxr/VRButton.js';

			let mesh, material, geometry;

			const renderer = new THREE.WebGLRenderer( { antialias: true } );
			renderer.setPixelRatio( window.devicePixelRatio );
			renderer.setSize( window.innerWidth, window.innerHeight );
			renderer.xr.enabled = true;
			renderer.xr.setReferenceSpaceType( 'local' );
			document.body.appendChild( renderer.domElement );

			document.body.appendChild( VRButton.createButton( renderer ) );

			//

			const scene = new THREE.Scene();
			scene.background = new THREE.Color( 0xf0f0ff );

			const light = new THREE.HemisphereLight( 0xfff0f0, 0x606066 );
			light.position.set( 1, 1, 1 );
			scene.add( light );

			const train = new THREE.Object3D();
			scene.add( train );

			const camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 500 );
			train.add( camera );

			// environment

			geometry = new THREE.PlaneGeometry( 500, 500, 15, 15 );
			geometry.rotateX( - Math.PI / 2 );

			const positions = geometry.attributes.position.array;
			const vertex = new THREE.Vector3();

			for ( let i = 0; i < positions.length; i += 3 ) {

				vertex.fromArray( positions, i );

				vertex.x += Math.random() * 10 - 5;
				vertex.z += Math.random() * 10 - 5;

				const distance = ( vertex.distanceTo( scene.position ) / 5 ) - 25;
				vertex.y = Math.random() * Math.max( 0, distance );

				vertex.toArray( positions, i );

			}

			geometry.computeVertexNormals();

			material = new THREE.MeshLambertMaterial( {
				color: 0x407000
			} );

			mesh = new THREE.Mesh( geometry, material );
			scene.add( mesh );

			geometry = new TreesGeometry( mesh );
			material = new THREE.MeshBasicMaterial( {
				side: THREE.DoubleSide, vertexColors: true
			} );
			mesh = new THREE.Mesh( geometry, material );
			scene.add( mesh );

			geometry = new SkyGeometry();
			material = new THREE.MeshBasicMaterial( { color: 0xffffff } );
			mesh = new THREE.Mesh( geometry, material );
			scene.add( mesh );

			//

			const PI2 = Math.PI * 2;

			const curve = ( function.........完整代码请登录后点击上方下载按钮下载查看