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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0, shrink-to-fit=no">
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<title>SolarSystem</title>
<style type="text/css">
body {
width: 100%;
height: 100%;
background-color: #000;
color: #fff;
margin: 0px;
padding: 0;
overflow: hidden;
}
</style>
</head>
<body>
</body>
<script>
/*
* Debug parameters.
*/
WebVRConfig = {
/**
* webvr-polyfill configuration
*/
//在VR显示模式下对WebVR推荐的屏幕比例进行缩放。在IOS下如果不为0.5会出现显示问题，查看
//https://github.com/borismus/webvr-polyfill/pull/106
BUFFER_SCALE: 0.5, // default: 1.0
};
</script>
<!--作者引入的一个promise polyfill-->
<script src="lib/es6-promise/dist/es6-promise.js"></script>
<!--three.js核心库-->
<script src="lib/three/three.js"></script>
<!--从连接的VR设备中获得位置信息并应用在camera对象上，将在下文展开-->
<script src="lib/three/examples/js/controls/VRControls.js"></script>
<!--处理立体视觉和绘制相关，将在下文展开-->
<script src="lib/three/examples/js/effects/VREffect.js"></script>
<!--WebVR polyfill，下文简述调用的API option-->
<script src="lib/webvr-polyfill/build/webvr-polyfill.js"></script>
<!--界面按钮以及进入/退出VR模式的控制等-->
<script src="lib/build/webvr-manager.js"></script>
<script>
var Sun,
Mercury, //水星
Venus, //金星
Earth,
Mars,
Jupiter, //木星
Saturn, //土星
Uranus, //天王
Neptune, //海王
stars = [];
// Setup three.js WebGL renderer. Note: Antialiasing is a big performance hit.
// Only enable it if you actually need to.
var renderer = new THREE.WebGLRenderer({antialias: true});
renderer.setPixelRatio(window.devicePixelRatio);
// Append the canvas element created by the renderer to document body element.
document.body.appendChild(renderer.domElement);
// Create a three.js scene.
var scene = new THREE.Scene();
// Create a three.js camera.
var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 10000);
camera.position.x = 30000;
camera.position.y = 30000;
camera.position.z = 30000;
//光源初始化
initLight();
function initLight() {
//环境光
var ambient = new THREE.AmbientLight(0x999999);
scene.add(ambient);
/*太阳光*/
var sunLight = new THREE.PointLight(0xddddaa, 1.5, 500);
scene.add(sunLight);
}
// Apply VR headset positional data to camera.
var controls = new THREE.VRControls(camera);
//站立姿态
controls.standing = false;
//controls.scale = 2;
controls.userHeight = 3.2;
// Apply VR stereo rendering to renderer.
var effect = new THREE.VREffect(renderer);
effect.setSize(window.innerWidth, window.innerHeight);
// Create a VR manager helper to enter and exit VR mode.
//按钮和全屏模式管理
var params = {
hideButton: false, // Default: false.
isUndistorted: false // Default: false.
};
var manager = new WebVRManager(renderer, effect, params);
//创建球形贴图星空背景
var geometry = new THREE.SphereGeometry(300, 100, 100);
var material = new THREE.MeshBasicMaterial();
material.map = THREE.ImageUtils.loadTexture('images/star3.png');
material.side = THREE.BackSide;
var mesh = new THREE.Mesh(geometry, material);
var skybox = new THREE.Mesh(geometry, material);
scene.add(skybox);
//正方形星空贴图实现
/* var geometry = new THREE.CubeGeometry(300, 100, 100);
var material = new THREE.MeshBasicMaterial();
material.map = THREE.ImageUtils.loadTexture('images/star3.png');
material.side = THREE.BackSide;
var mesh = new THREE.Mesh(geometry, material);
var skybox = new THREE.Mesh(geometry, material);
scene.add(skybox);*/
//粒子系统实现背景不行
/* var geom = new THREE.CircleGeometry();
var material = new THREE.ParticleBasicMaterial({
size: 0.1,
transparent: true,
opacity: 0.6,
vertexColors: 0xffffff,
sizeAttenuation: false,
color: false});
var range = 500;
for (var i = 0; i < 150; i++) {
var particle = new THREE.Vector3(Math.random() * range - range / 2, Math.random() * range - range / 2, Math.random() * range - range / 2);
geom.vertices.push(particle);
var color = new THREE.Color(0xFFFFFF);
//color.setHSL(color.getHSL().h, color.getHSL().s, Math.random() * color.getHSL().l);
//HSL是一种色彩模式
geom.colors.push(color);
}
system = new THREE.ParticleSystem(geom, material);
scene.add(system);*/
initObject();
// Kick off animation loop
requestAnimationFrame(animate);
window.addEventListener('resize', onResize, true);
window.addEventListener('vrdisplaypresentchange', onResize, true);
// Request animation frame loop function
var lastRender = 0;
function animate(timestamp) {
var delta = Math.min(timestamp - lastRender, 500);
lastRender = timestamp;
//立方体的旋转
move();
// Update VR headset position and apply to camera.
//更新获取HMD的信息
controls.update();
// Render the scene through the manager.
//进行camera更新和场景绘制
manager.render(scene, camera, timestamp);
requestAnimationFrame(animate);
}
function onResize(e) {
effect.setSize(window.innerWidth, window.innerHeight);
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
}
//几何体初始化
function initObject() {
//构造太阳
var texture = THREE.ImageUtils.loadTexture("images/sunCore.jpg");
var mat = new THREE.MeshLambertMaterial();
mat.map = texture;
Sun = new THREE.Mesh( new THREE.SphereGeometry( 12 ,16 ,16 ),mat);
Sun.name='Sun';
scene.add(Sun);
Mercury = this.initPlanet('Mercury',20,2,'mercury.jpg', 0.02, 0);
stars.push(Mercury);
Venus = this.initPlanet('Venus',30,4,'venus.jpg', 0.012, 0);
stars.push(Venus);
Earth = this.initPlanet('Earth',40,5,'earth.jpg' ,0.010, 0);
stars.push(Earth);
Mars = this.initPlanet('Mars',50,4,'mars.jpg', 0.008, 0);
stars.push(Mars);
Jupiter = this.initPlanet('Jupiter',70,9,'Jupiter.jpg', 0.006, 0);
stars.push(Jupiter);
Saturn = this.initPlanet('Saturn',100,7,'Saturn.jpg', 0.005, 0);
stars.push(Saturn);
Uranus = this.initPlanet('Uranus',120,4,'Uranus.jpg', 0.003, 0);
stars.push(Uranus);
Neptune = this.initPlanet('Neptune',150,3,'Neptune.jpg', 0.002, 0);
stars.push(Neptune);
}
/**
* 初始化行星
* @param name 行星名字
* @param color 颜色
* @param distance 距离原点（太阳中心）的距离
* @param volume 体积
* @returns {{name: *, distance: *, volume: *, Mesh: THREE.Mesh}}
*/
function initPlanet(name,distance,volume,imageFile,speed,angle) {
var texture = THREE.ImageUtils.loadTexture("images/" + imageFile);
var mat = new THREE.MeshLambertMaterial();
mat.map = texture;
var mesh1 = new THREE.SphereGeometry(volume, 16, 16)
var mesh = new THREE.Mesh(mesh1,mat);
mesh.position.z = -distance;
mesh.receiveShadow = true;
mesh.castShadow = true;
mesh.name = name;
/*轨道*/
var track = new THREE.Mesh(new THREE.RingGeometry(distance - 0.2, distance + 0.2, 64, 1), new THREE.MeshBasicMaterial({ color: 0x888888, side: THREE.DoubleSide }));
track.rotation.x = -Math.PI / 2;
scene.add(track);
var star = {
name: name,
speed: speed,
angle: angle,
distance: distance,
volume: volume,
Mesh: mesh,
Mesh1: mesh1
}
mesh.position.set(0, controls.userHeight, -1);///我改过了
scene.add(mesh);
return star;
}
//所有行星转动
function moveEachStar(star) {
star.angle += star.speed;
if (star.angle > Math.PI * star.distance) {
star.angle -= Math.PI * star.distance;
}
star.Mesh.position.set(star.distance * Math.sin(star.angle), 0, star.distance * Math.cos(star.angle));
//star.Mesh1.rotation.y = star.Mesh1.rotation.y == 2 * Math.PI ? 0.0008 * Math.PI : star.Mesh1.rotation.y + 0.0008 * Math.PI;
}
//行星移动
function move() {
/*行星公转*/
for (var i = 0; i < stars.length; i++) {
moveEachStar(stars[i]);
}
/*太阳自转*/
Sun.rotation.y = Sun.rotation.y == 2 * Math.PI ? 0.0008 * Math.PI : Sun.rotation.y + 0.0008 * Math.PI;
}
</script>
</html>