three实现三维夜晚地球灯光飞行轨迹效果代码-html代码-BFW代码库

代码语言：html

所属分类：三维

代码描述：three实现三维夜晚地球灯光飞行轨迹效果代码

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">
  


  
  
<style>
html {
  background: black;
  height: 100%;
  overflow: hidden;
}

body {
  height: 100%;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 10;
}

canvas {
  -webkit-animation: in 2s cubic-bezier(0.23, 1, 0.32, 1) 0.25s backwards;
          animation: in 2s cubic-bezier(0.23, 1, 0.32, 1) 0.25s backwards;
  background: transparent;
  position: absolute;
}

@-webkit-keyframes in {
  from {
    opacity: 0;
  }
}

@keyframes in {
  from {
    opacity: 0;
  }
}
</style>

  



</head>

<body  >
  <div id='container'></div>

<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.75.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/extras.js"></script>
      <script >
'use strict';

var Earth = function (el, data) {
  let camera, scene, renderer, composer, w, h;

  let lines = [],
  mouse = {
    x: 0,
    y: 0 },

  mouseOnDown = {
    x: 0,
    y: 0 },

  points = [],
  rotation = {
    x: Math.PI * 1.9,
    y: Math.PI / 6 },

  target = {
    x: Math.PI * 1.9,
    y: Math.PI / 6 },

  targetOnDown = {
    x: 0,
    y: 0 };


  const center = new THREE.Vector3(0, 0, 0),
  clock = new THREE.Clock(),
  distance = 350,
  PI_HALF = Math.PI / 2,
  pointRadius = 152,
  radius = 150;

  // Shaders
  // https://github.com/dataarts/webgl-globe

  const shaders = {
    'atmosphere': {
      uniforms: {},
      vertexShader: [
      'varying vec3 vNormal;',
      'void main() {',
      'vNormal = normalize( normalMatrix * normal );',
      'gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',
      '}'].
      join('\n'),
      fragmentShader: [
      'varying vec3 vNormal;',
      'void main() {',
      'float intensity = pow( 0.8 - dot( vNormal, vec3( 0, 0, 1.0 ) ), 3.0 );',
      'gl_FragColor = vec4( 0.3, 0.4, 0.6, 0.05 ) * intensity;',
      '}'].
      join('\n') } };



  // -------------------------------------
  //   Init
  // -------------------------------------

  function init() {
    w = window.innerWidth;
    h = window.innerHeight;

    camera = new THREE.PerspectiveCamera(distance / 5, w / h, 1, distance * 2);
    scene = new THREE.Scene();
    scene.add(camera);

    // Stars
    // http://gielberkers.com/evenly-distribute-particles-shape-sphere-threejs/

    let starGeometry = new THREE.Geometry();

    for (let i = 0; i < 1000; i++) {
      let x = -1 + Math.random() * 2;
      let y = -1 + Math.random() * 2;
      let z = -1 + Math.random() * 2;
      const d = 1 / Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2) + Math.pow(z, 2));
      x *= d;
      y *= d;
      z *= d;

      const vertex = new THREE.Vector3(
      x * distance,
      y * distance,
      z * distance);

      starGeometry.vertices.push(vertex);
    }

    const stars = new THREE.Points(starGeometry, new THREE.PointsMaterial({
      color: '#555555',
      size: 3 }));

    scene.add(stars);

    // Light

    let light = new THREE.PointLight('#ffffff', 0.5);
    camera.add(light);
    light.position.set(distance / 2, distance / 2, 0);
    light.target = camera;

    // Earth

    THREE.ImageUtils.crossOrigin = '';
    var earthLights = THREE.ImageUtils.loadTexture('//repo.bfw.wiki/bfwrepo/image/62f3a70f24bd3.png');
    var earthBump = THREE.ImageUtils.loadTexture('//repo.bfw.wiki/bfwrepo/image/62f3a6e7ec864.png');
    earthLights.minFilter = THREE.LinearFilter;
    earthBump.minFilter = THREE.LinearFilter;

    var earthGeometry = new THREE.SphereGeometry(radius, 50, 30);
    var earthMaterial = new THREE.MeshPhongMaterial({
      bumpMap: earthBump,
      bumpScale: 4,
      emissiveMap: earthLights,
      emissive: '#333333',
      map: earthLights,
      specular: '#010101' });


    const earth = new THREE.Mesh(earthGeometry, earthMaterial);
    scene.add(earth);

    // Atmosphere

    const atmosphereMaterial = new THREE.ShaderMaterial({
      vertexShader: shaders['atmosph.........完整代码请登录后点击上方下载按钮下载查看