text: // 创建App 
  var app = new THING.App({
      url: "models/storehouse"
  });
  // 加载场景后执行 
  app.on('load', function(ev) {
      /* 参数:
          ev.campus	    园区,类型:Campus
          ev.buildings	园区建筑物,类型:Selector
      */
      var campus = ev.campus;
      console.log('after load ' + campus.id);
      // 摄像机切换2D 
  
      app.camera.viewMode = THING.CameraView.TopView; //2D视图
      app.camera.viewMode = THING.CameraView.Normal; //3D视图
  
  
      // 添加指南针控件
      var ctrl = app.addControl(new THING.CompassControl({
          'position': THING.CornerType.RightTop, // 选填 默认值 RightBottom 可填写 RightTop LeftTop LeftBottom
          'opacity': 0.8, // 不透明度
          'offset': [-25, -25], // 选填 偏移值 x y
          'image': 'https://thingjs.com/static/images/compass.png',
          'size': 100 // 大小
      }));
  
      // 创建Thing 
      var obj = app.create({
          type: 'Thing',
          id: 'No1234567',
          name: 'truck',
          url: 'https://model.3dmomoda.com/models/66b7f5979ff043afa4e79f7299853a4b/0/gltf/', // 模型地址 
          position: [0, 0, 0], // 世界坐标系下的位置
          complete: function(ev) {
              //物体创建成功以后执行函数
              console.log('thing created: ' + ev.object.id);
          }
      });
      // 创建Thing 
      var obj = app.create({
          type: 'Thing',
          id: 'No12345678',
          name: 'truck',
          url: 'https://model.3dmomoda.com/models/66b7f5979ff043afa4e79f7299853a4b/0/gltf/', // 模型地址 
          position: [10, 0, 0], // 世界坐标系下的位置
          complete: function(ev) {
              //物体创建成功以后执行函数
              console.log('thing created: ' + ev.object.id);
          }
      });
  
      // 切换层级到园区
  
      /**
       * 名称：流星划过
       * 说明：该代码创建了流星划过天空的效果
       **/
      THING.Utils.dynamicLoad(['/static/background/流星划过/背景五彩线条/index.css'], function() {
  
          var a = document.getElementById('div3d');
          a.style.background = 'radial-gradient(1600px at 70% 120%, rgba(33, 39, 80, 1) 10%, #020409 100%)';
          // 创建页面 canvas
          create_html();
  
          function create_html() {
              var template =
                  '<div class="container"><div class="content"><canvas id="universe"></canvas><div id="footer"><svg id="scene" x="0px" y="0px" width="1600px" height="315px"><path id="ground" d="M0,316.4209c0,0,157.7119-35.416,469-56c7.3833-0.4883,23.7876-3.5488,31.3335-4.0166                	c3.7681-0.2334,19.4302,0.9424,28.3335,0.3506c17.1494-1.1396,30.9072-4.2734,38.333-4.6836                	c7.5972-0.4189,18.4058,0.3799,27.6665-0.9834c5.7075-0.8408,10.1318-4.042,14.9248-4.2705                	c7.8369-0.373,24.5693,3.6084,34.4087,4.2705c11.0586,0.7432,15.2656-1.8135,24.3335-2.1523c10.0576-0.376,20.4629,1.3867,28.6665,0                	c3.5957-0.6074,4.4194,0.4209,7.7227-0.7715c1.4927-0.5391,5.8179-3.5693,6.9438-4.2432c3.8335,0.667,6.1426-1.0732,9.917-1.167                	c2.2739-0.0566,3.9673-0.9072,6.249-0.9609c2.2725-0.0537,5.5547-1.2383,7.8345-1.2881c2.25-0.0498,3.498,1.0352,5.7554,0.9883                	c2.9648-0.0615,7.9341,0.3164,10.9111,0.2607c2.2461-0.042,2.4976-0.5195,4.7505-0.5586c2.9663-0.0518,2.1045-0.5615,5.0825-0.6074                	c1.5811-0.0244,6.9976,0.4131,8.582,0.3896c0.8887-0.0127,2.6113,0.373,3.5015,0.3604c1.5527-0.0215,2.2739-0.4404,3.8296-0.4609                	c1.416-0.0186,2.0854-0.8555,3.5039-0.873c1.0835-0.0127,2.9155,0.7939,4.0005,0.7813c1.1104-0.0127,3.5542,0.4805,4.666,0.4688                	c1.3047-0.0137,1.2773-0.5332,2.584-0.5459c1.415-0.0137,1.165-0.4414,2.5825-0.4541c0.916-0.0078,3.499,0.3984,4.416,0.3906                	c1.499-0.0127,1.833,0.6221,3.3345,0.6104c1.3296-0.0098,3.8267-0.666,5.1587-0.6748c1.3335-0.0088,2.8389-0.6514,4.1743-0.6592                	c1.3335-0.0078,2.4971,0.6191,3.8325,0.6123c2.5518-0.0127,7.3579,0.3965,9.9175,0.3877c5.3169-0.0176,5.5796-0.4063,10.9297-0.4063                	c1.8379,0,6.7031,1.3184,8.3203,1.2402c2.1055-0.1016,3.7139-1.6572,5.5283-1.7969c3.9541-0.3037,7.3262-0.5732,10.5986-0.2598                	c6.248,0.5977,12.1973-0.8125,21.207-0.7539c1.7266,0.0107,15.7813,3.085,17.5,3.0977c3.4014,0.0254,6.6191-1.3398,9.9971-1.3066                	c4.1221,0.041,8.2275,1.2529,12.3369,1.3066c2.0752,0.0273,4.1543-1.1084,6.2314-1.0771c3.3662,0.0498,4.5547,1.0166,7.9346,1.0771                	c2.1104,0.0381,6.4063-0.834,8.5264-0.792c2.7021,0.0537,4.4766-1.6729,7.2002-1.6113c2.9277,0.0654,7.6465,3.1641,10.6074,3.2393                	c4.8359,0.123,8.8809-0.9854,13.832-0.8359c2.5029,0.0752,11.8818,2.0498,14.375,2.1289c1.8398,0.0586,2.499-1.2188,4.334-1.1582                	c2.1689,0.0713,4.5049,1.209,6.666,1.2832c2.6699,0.0908,4.3398-0.916,6.998-0.8203c3.3379,0.1201,6.0566,1.3193,9.377,1.4453                	c4.001,0.1514,4.7764-1.1602,8.75-1c3.1836,0.1289,16.834,1.9912,20,2.125c4.0059,0.1699,4.0029-0.9004,7.9814-0.7227                	c6.8594,0.3076,7.9102,1.7656,14.6855,2.0977c8.916,0.4365,23.5254-0.2432,32.293,0.2344                	c6.7168,0.3662,13.3896,0.7432,20.0186,1.1318C1458.8545,268.4941,1680,316.4209,1680,316.4209H0z" /><path id="stone1" d="M680.3335,250.7549c7.3335,0.333,13.6665-1.2549,6-6.4609s-14.333-7.1221-18.6665,0.8359                	S680.3335,250.7549,680.3335,250.7549z" /><path id="stone2" d="M750.5,243.1709c3.25,0,2.5-3.707-1.75-4.2285s-5,3.7285-3,4.2285S750.5,243.1709,750.5,243.1709z" /><path id="stone3" d="M988.4893,243.8242c2.8857,0.3467,4.8438,1.2627,3.0107-2.0703s-7.3955,1.3555-5.2031,1.7129                	S988.4893,243.8242,988.4893,243.8242z" /><path id="stone4" d="M697,248.9355c2.0142-0.2021,2.1665-2.0156,1-2.1816s-9.1543,1.8398-5.9937,2.6699S697,248.9355,697,248.9355z" /><g id="greens" transform="translate(850, 180)"><g><path d="M36.3877,59.4268C33.0576,18.9482,6.4658,4.522,6.4658,4.522s22.4834,16.1426,24.4414,54.2251			C32.8657,96.8311,36.3877,59.4268,36.3877,59.4268z" /><path d="M41.8496,83.1641C31.1572,43.98,2.3711,34.6738,2.3711,34.6738s25.063,11.7471,33.9668,48.8271			C45.2441,120.5791,41.8496,83.1641,41.8496,83.1641z" /><path d="M31.3955,60.7207C23.7139,25.7979,2.5381,16.9541,2.5381,16.9541s18.4165,10.9277,24.7925,43.9502			C33.7061,93.9258,31.3955,60.7207,31.3955,60.7207z" /><path d="M40.4517,62.0068C47.9473,21.6187,25.4009,0.1914,25.4009,0.1914s18.0098,21.9634,9.7896,59.6357			C26.9722,97.499,40.4517,62.0068,40.4517,62.0068z" /><path d="M41.9414,69.4316c13.0313-38.9565-6.3218-63.3062-6.3218-63.3062s14.7856,24.251,1.4141,60.4185			C23.6621,102.709,41.9414,69.4316,41.9414,69.4316z" /><path d="M29.4976,87.9092c27.4097-30.5938,19.2993-60.6226,19.2993-60.6226s3.958,28.1255-22.6606,56.0249			C-0.4775,111.2109,29.4976,87.9092,29.4976,87.9092z" /><animateTransform attributeName="transform" type="skewX" values="0;10;0" begin="0s" dur="5.5s" fill="freeze" repeatCount="indefinite" /><animateMotion type="translate" values="0,0;-10,0;0,0" begin="0s" dur="5.5s" fill="freeze" repeatCount="indefinite" /></g><g><path d="M34.9995,60.4189C56.0713,30.6665,46.1133,5.4014,46.1133,5.4014S52.2559,29.4746,31.6235,56.79			C10.9917,84.1035,34.9995,60.4189,34.9995,60.4189z" /><path d="M36.3047,64.5391c28.4629-23.4443,25.3262-51.189,25.3262-51.189s-0.293,25.4971-27.6851,46.6538			C6.5552,81.1631,36.3047,64.5391,36.3047,64.5391z" /><path d="M33.0449,70.502c31.4424-19.2637,32.1875-47.1748,32.1875-47.1748s-3.8291,25.208-33.897,42.3584			C1.271,82.833,33.0449,70.502,33.0449,70.502z" /><path d="M13.8237,76.0244c36.5039-5.2158,48.2563-30.543,48.2563-30.543S48.5693,67.1045,14.168,70.9248			C-20.2324,74.749,13.8237,76.0244,13.8237,76.0244z" /><animateTransform attributeName="transform" type="skewX" values="0;15;0" begin="0s" dur="5s" fill="freeze" repeatCount="indefinite" /><animateMotion type="translate" values="0,0;-15,0;0,0" begin="0s" dur="5s" fill="freeze" repeatCount="indefinite" /></g></g><g id="sign" transform="translate(700, 180)"><polygon points="21.2168,1.1143 20.6665,1.5459 19.7593,1.4473 19.229,1.4209 18.9707,1.6274 18.6665,1.9004 17.6865,1.9219		37.3516,87.8877 40.8828,87.0791 	" /><polygon points="45.4111,9.5537 2.4258,18.7158 1.563,18.498 1.4585,17.2114 0.8291,15.583 0.9165,14.3364 0.0908,12.6548		0.2085,12.0864 -0.1924,11.5308 -0.3296,9.271 43.3408,-0.0376 43.4766,0.5015 43.334,0.9629 43.6533,1.2046 43.8232,1.8784		43.8965,2.7754 44.2217,3.459 44.625,5.0576 45.041,7.5459 45.2637,7.5962 45.6191,9.0073 	" /><polygon points="47.0078,20.8545 4.2368,29.5503 3.5933,28.5903 3.3965,26.9746 2.4683,24.5137 2.8398,24.1372 2.2676,23.7847		1.9834,22.7563 2.2417,22.3394 1.7388,21.8706 1.2627,20.1426 44.8281,11.2852 45.082,12.4014 45.0723,12.9517 45.3281,13.481		45.752,15.3369 46.0273,17.7524 46.4219,18.2803 	" /><polygon points="47.666,31.168 4.7803,39.4023 4.251,37.4004 4.4429,36.1895 3.6465,35.1123 3.0142,32.7178 3.2754,32.1025		2.7461,31.7046 2.2676,29.8945 45.9268,21.5107 46.0762,22.2007 45.9512,22.8423 46.2783,23.1372 46.6777,24.9795 46.5234,25.4795		47.3027,27.8667 47.8086,30.2017 	" /></g><g id="boy_1_"><g id="boy"><path d="M800.7324,167.6929c0,0-7.9688-6.5039-9.7197-8.041c-1.751-1.5366-7.9331-6.5039-8.7197-13.0435			c-0.7861-6.5396,6.0752-15.188,17.7969-16.1885c11.7207-1.0005,12.9727,1.0366,14.1514,2.7163			c1.1787,1.6792,5.7178,11.1494,5.0752,18.6538c-0.6445,7.5049-5.6826,10.1133-9.7559,13.3652			C805.4863,168.4072,800.7324,167.6929,800.7324,167.6929z" /><path d="M810.7031,169.2109c-1.0723-1.3037-1.3574-2.9556-1.1426-4.0645c0.2139-1.1084-8.041,0.1128-8.8281,2.542			c1.6445,1.6787,0.751,3.146-0.5,4.1108c-1.25,0.9648-1.6797,1.502-1.9297,1.8237c0.0361,0.5361,0,0.9653,0,0.9653			s-1.4297,1.7153-2.2871,6.5396s-0.6787,6.79-0.9648,8.3267c-0.2852,1.5366-1.4648,5.9678-1.751,10.292s0,4.5742,0,4.5742			s1.251,1.7153,1.1436,4.0742s-1.2705,5.6099-1.2705,5.6099s0.2344,1.8945,1.8779,2.252c1.6445,0.3574,2.3594-0.6436,2.3594-0.6436			s1.0713,1.3223,1.75,4.0742c0.6797,2.752,0.6436,6.79,1.8945,7.9688c1.251,1.1797,1.6074,0.3223,1.6074,0.3223			s0.4648,3.3975-0.9277,6.6855c-1.3945,3.2881-4.1465,6.7568-4.1465,6.7568h11.0781c0,0,1.5723-3.5234-7.1113-2.2363			c3.252-4.0742,3.8955-6.1934,4.0391-11.125c1.8223,0.5,4.252,0.6738,4.9316-0.3271c0.5352,1.3223,2.4297,2.1787,3.3584,1.7139			c-0.2139,3.7168-1.0713,12.1846-1.0713,12.1846l9.0049,0.2852c0,0-0.751-3.2168-6.29-1.4307			c1.001-6.7891,1.3584-11.5068,1.3584-11.5068s1.3584,0.1074,1.8584-0.3926c0.5-0.501,0.6787-5.3252-0.4648-9.9346			c-1.1436-4.6104-0.5-4.4678-0.5-4.4678s1.75-0.8213,1.5-2.8584s-0.8574-3.6807-1.5352-5.5391			c0.4639-0.1074,1-0.7861-0.6797-2.7158c-0.2148-2.5015-0.9648-6.3242-0.6436-7.6465s0.2148-2.8232-0.1787-4.3599			c0-2.4302,0.7148-13.1509-1.25-17.0103c-1.9658-3.8594-2.5371-3.5737-2.5371-3.5737S812.5977,169.0142,810.7031,169.2109z" /></g><g transform="translate(783, 122)"><g><path d="M35.3506,17.9644c2.9834-3.71,5.9824-15.2095-3.1846-18.3765c2.668,3.833,1.168,5.6665,1.168,5.6665	S32,1.2549,28.666-0.4121c1.5,3.1665,0,5,0,5S20.5,8.9209,24.5,13.2544S35.3506,17.9644,35.3506,17.9644z" /><animateTransform attributeName="transform" type="skewX" values="0;30;0" begin="0s" dur="4s" fill="freeze" repeatCount="indefinite" /><animateMotion type="translate" values="0,0;-10,0;0,0" begin="0s" dur="4s" fill="freeze" repeatCount="indefinite" /></g><g><path d="M27.125,6.2334c-1.8125-0.625-2.0625-1.9375-4.375-2.25c1,0.8125,1.125,1.6875,1.125,1.6875S21.5,4.3584,19.0625,3.9834	c1.3125,0.75,2,1.875,2,1.875s-3.25-0.75-5.875-0.75c1.125,0.3125,1.125,0.6875,1.125,0.6875S10.75,5.8584,8.6875,7.4834	c1,0.125,0.9375,0.6714,0.9375,0.6714s-4.25,1.5786-5.375,3.7661c0.875-0.4375-0.8125,1.8125-0.8125,1.8125s0.75,1.375-0.3125,1.125	S0.5,14.1084,0.5,12.5459c-0.5,2.1875,0.6924,2.5767,1.4375,3.3125c-0.0625,1-0.9375,2.6494-1.25,2.106s0.8594,0.4282,0.0547,2.4731	c-0.8047,2.0459-1.1533,3.7432-0.5103,6.5195s2.7056,4.5264,3.5181,6.2139s0.5-1.6875,0.5-1.6875L27.125,6.2334z" /></g></g></g></svg></div></div></div>'
              // 插入到 ThingJS 内置的 2D 界面 div 中
              $('#div2d').append($(template));
          }
  
          // 创建 CanvasTexture
          var canvasTexture = new THREE.CanvasTexture(
              $('#universe')[0]
          );
  
          // 如果需要背景平铺
          // canvasTexture.wrapS = THREE.RepeatWrapping;
          // canvasTexture.wrapT = THREE.RepeatWrapping;
  
          // update事件可加入场景实时动态(公共)
          app.on('update', function() {
              canvasTexture.needsUpdate = true;
              app.scene.background = canvasTexture;
          });
  
          // 屏幕自适应,防止改变分辨率背景拉伸(公共)
          app.on('resize', function(e) {
              if (!canvasTexture) return;
              let texture = canvasTexture;
              let {
                  width,
                  height
              } = app.renderer.getSize();
              let screenAspect = width / height;
              let imageAspect = texture.image.width / texture.image.height;
  
              if (screenAspect < imageAspect) { // image width out
                  texture.offset.set(0, 0.5 - imageAspect / screenAspect * 0.5);
                  texture.repeat.set(1, imageAspect / screenAspect);
              } else { // image heigh out
                  texture.offset.set(0.5 - screenAspect / imageAspect * 0.5, 0);
                  texture.repeat.set(screenAspect / imageAspect, 1);
              }
          })
  
          window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame ||
              window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
  
          var starDensity = .216;
          var speedCoeff = .05;
          var width;
          var height;
          var starCount;
          var circleRadius;
          var circleCenter;
          var first = true;
          var giantColor = '180,184,240';
          var starColor = '226,225,142';
          var cometColor = '226,225,224';
          var canva = document.getElementById('universe');
          var stars = [];
  
          windowResizeHandler();
          window.addEventListener('resize', windowResizeHandler, false);
  
          createUniverse();
  
          function createUniverse() {
              universe = canva.getContext('2d');
  
              for (var i = 0; i < starCount; i++) {
                  stars[i] = new Star();
                  stars[i].reset();
              }
  
              draw();
          }
  
          function draw() {
              universe.clearRect(0, 0, width, height);
  
              var starsLength = stars.length;
  
              for (var i = 0; i < starsLength; i++) {
                  var star = stars[i];
                  star.move();
                  star.fadeIn();
                  star.fadeOut();
                  star.draw();
              }
  
              window.requestAnimationFrame(draw);
          }
  
          function Star() {
  
              this.reset = function() {
                  this.giant = getProbability(3);
                  this.comet = this.giant || first ? false : getProbability(10);
                  this.x = getRandInterval(0, width - 10);
                  this.y = getRandInterval(0, height);
                  this.r = getRandInterval(1.1, 2.6);
                  this.dx = getRandInterval(speedCoeff, 6 * speedCoeff) + (this.comet + 1 - 1) * speedCoeff * getRandInterval(
                      50, 120) + speedCoeff * 2;
                  this.dy = -getRandInterval(speedCoeff, 6 * speedCoeff) - (this.comet + 1 - 1) * speedCoeff *
                      getRandInterval(50, 120);
                  this.fadingOut = null;
                  this.fadingIn = true;
                  this.opacity = 0;
                  this.opacityTresh = getRandInterval(.2, 1 - (this.comet + 1 - 1) * .4);
                  this.do = getRandInterval(0.0005, 0.002) + (this.comet + 1 - 1) * .001;
              };
  
              this.fadeIn = function() {
                  if (this.fadingIn) {
                      this.fadingIn = this.opacity > this.opacityTresh ? false : true;
                      this.opacity += this.do;
                  }
              };
  
              this.fadeOut = function() {
                  if (this.fadingOut) {
                      this.fadingOut = this.opacity < 0 ? false : true;
                      this.opacity -= this.do / 2;
                      if (this.x > width || this.y < 0) {
                          this.fadingOut = false;
                          this.reset();
                      }
                  }
              };
  
              this.draw = function() {
                  universe.beginPath();
  
                  if (this.giant) {
                      universe.fillStyle = 'rgba(' + giantColor + ',' + this.opacity + ')';
                      universe.arc(this.x, this.y, 2, 0, 2 * Math.PI, false);
                  } else if (this.comet) {
                      universe.fillStyle = 'rgba(' + cometColor + ',' + this.opacity + ')';
                      universe.arc(this.x, this.y, 1.5, 0, 2 * Math.PI, false);
  
                      //comet tail
                      for (var i = 0; i < 30; i++) {
                          universe.fillStyle = 'rgba(' + cometColor + ',' + (this.opacity - (this.opacity / 20) * i) + ')';
                          universe.rect(this.x - this.dx / 4 * i, this.y - this.dy / 4 * i - 2, 2, 2);
                          universe.fill();
                      }
                  } else {
                      universe.fillStyle = 'rgba(' + starColor + ',' + this.opacity + ')';
                      universe.rect(this.x, this.y, this.r, this.r);
                  }
  
                  universe.closePath();
                  universe.fill();
              };
  
              this.move = function() {
                  this.x += this.dx;
                  this.y += this.dy;
                  if (this.fadingOut === false) {
                      this.reset();
                  }
                  if (this.x > width - (width / 4) || this.y < 0) {
                      this.fadingOut = true;
                  }
              };
  
              (function() {
                  setTimeout(function() {
                      first = false;
                  }, 50)
              })()
          }
  
          function getProbability(percents) {
              return ((Math.floor(Math.random() * 1000) + 1) < percents * 10);
          }
  
          function getRandInterval(min, max) {
              return (Math.random() * (max - min) + min);
          }
  
          function windowResizeHandler() {
              width = window.innerWidth;
              height = window.innerHeight;
              starCount = width * starDensity;
              circleRadius = (width > height ? height / 2 : width / 2);
              circleCenter = {
                  x: width / 2,
                  y: height / 2
              }
  
              canva.setAttribute('width', width);
              canva.setAttribute('height', height);
          }
      })
  
      app.level.change(campus);
  });