service-platform
/
web-test


			
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							<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>中科在线</title>
  <!-- layui -->
  <link rel="stylesheet" href="static/home/lib/layui/css/layui.css">
  <link rel="stylesheet" href="static/home/css/lib.css">
  <link rel="stylesheet" href="static/home/css/road.css">
  <link rel="stylesheet" href="static/home/css/index.css">
  <style>
    .canvas-stats {
      display: none;
    }
    .erweima{
      position: fixed;
      top: 50px;
      width: 100px;
      height: 100px;
      border: 1px solid red;
      display: none;
    }
  </style>
</head>

<body>
  <div class="header">
    <a href="" style="display: none;">
      <div class="home-btn"></div>
    </a>
    <img class='image' src="static/images/logo.png" alt="">
    <p class='title'>中科在线</p>
    <p style="color:#fff;display: none;" onclick="guanzhu()">关注公众号</p>
  </div>
  <div class='erweima' id="idma">
 二维码
  </div>
  <img class="sci-wheel" src="static/home/images/sci.gif" alt="">
  <div class="center">
    <a class="list fn_1 moveUpDownFla1" target="_blank" href="market/index">
      <p>科技超市</p>
    </a>
    <a class="list fn_2 moveUpDownFla2" target="_blank" href="hallList/index">
      <p>直播大厅</p>
    </a>
    <a class="list fn_3 moveUpDownFla1" target="_blank" href="dynamic/index">
      <p>动态监测</p>
    </a>
    <a class="list fn_4 moveUpDownFla2" target="_blank" href="live/service">
      <p>创新服务</p>
    </a>
    <a class="list fn_5 moveUpDownFla2" target="_blank" href="technical/index">
      <p>技术交流</p>
    </a>
  </div>
  <!--流星-->
  <div class="liuxing liuxing1 liuxingFla"></div>
  <div class="liuxing liuxing2 liuxingFla2"></div>
  <div class="liuxing liuxing3 liuxingFla3"></div>
  <div class="liuxing liuxing4 liuxingFla4"></div>
  <div id="canvas-container-1" class="canvas-container">
    <canvas id="canvas-1"></canvas>
  </div>
  <script src="static/home/js/stats.min.js"></script>
  <script src="static/home/js/three.min.js"></script>
  <script>
    function ThreeJSCanvas(CANVAS_ID) {

      var SCREEN_HEIGHT = Math.min(window.innerWidth, window.innerHeight);
      var SCREEN_WIDTH = SCREEN_HEIGHT;
      var SCREEN_ASPECT_RATIO = SCREEN_WIDTH / SCREEN_HEIGHT;
      var canvas, container;

      var container, loader, stats;
      var renderer, camera, scene;
      var raycaster, controls;

      var ANIMATION_FRAME_LENGTH = 30,
        INTERACT_DISTANCE = 2.5;
      var objetArray = [],
        animationQueue = [];

      var color1 = [0 / 255, 110 / 255, 255 / 255],
        color2 = [0 / 255, 255 / 255, 140 / 255];

      var bitmap = [];
      var BITMAP_SKIP = 1;

      var fov = 90;
      var cameraPos = [0, 0, 30];
      var cameraLookAt = [0, 0, 0];
      var viewHeight = 2 * Math.tan(THREE.Math.degToRad(fov / 2)) * cameraPos[2],
        viewWidth = viewHeight * SCREEN_ASPECT_RATIO;
      var mouse = new THREE.Vector3(10000, 10000, -1),
        mouseScaled = new THREE.Vector3(10000, 10000, -1);

      var frame = 0;

      function init() {

        // Global Variables
        container = document.getElementById("canvas-container-" + CANVAS_ID);
        canvas = document.getElementById("canvas-" + CANVAS_ID);
        canvas.addEventListener('mousemove', onDocumentMouseMove, false);

        loader = new THREE.JSONLoader();
        stats = new Stats();
        stats.domElement.classList.add("canvas-stats");
        stats.domElement.id = "canvas-stats-" + CANVAS_ID;

        /* If you are familiar with python and opencv
           you can use this python script to generate custom bitmaps 
           --------------------
           https://git.io/vdBAu 
           --------------------
        */
        var data = '#000000000000000000011110000000000000000000' +
          '#000000000000000011111111110000000000000000' +
          '#000000000000001111111111111100000000000000' +
          '#000000000000011111111111111110000000000000' +
          '#000000000000111111111111111111000000000000' +
          '#000000000001111111111111111111100000000000' +
          '#000000000011111111111111111111110000000000' +
          '#000000000011111111111111111111110000000000' +
          '#000000000111111111111111111111111000000000' +
          '#000000000111111111111111111111111000000000' +
          '#000000001111111111111111111111111100000000' +
          '#000000001111111111111111111111111100000000' +
          '#000000001111111111111111111111111100000000' +
          '#000000001111111111111111111111111100000000' +
          '#000000001111111111111111111111111100000000' +
          '#000000000111111111111111111111111000000000' +
          '#000000000111111111111111111111111000000000' +
          '#000000000111111111111111111111111000000000' +
          '#000000000011111111111111111111110000000000' +
          '#000000000011111111111111111111110000000000' +
          '#000000000001111111111111111111100000000000' +
          '#000000000001111111111111111111100000000000' +
          '#000000000000111111111111111111000000000000' +
          '#000000000000111111111111111110000000000000' +
          '#000000000000011111111111111110000000000000' +
          '#000000000000001111111111111100000000000000' +
          '#000000000000001111111111111100000000000000' +
          '#000000000000001111111111111000000000000000' +
          '#000000000000000111111111111000000000000000' +
          '#000000000000000111111111111000000000000000' +
          '#000000000000000111111111111000000000000000' +
          '#000000000000000111111111111000000000000000' +
          '#000000000000000011111111110000000000000000' +
          '#000000000000000010000000010000000000000000' +
          '#000000000000000011111111110000000000000000' +
          '#000000000000000010000000010000000000000000' +
          '#000000000000000011111111110000000000000000' +
          '#000000000000000010000000010000000000000000' +
          '#000000000000000011111111110000000000000000' +
          '#000000000000000000100001000000000000000000' +
          '#000000000000000000110011000000000000000000' +
          '#000000000000000000011110000000000000000000';

        for (var i = 0; i < data.length; i++) {
          if (data[i] == '#') {
            bitmap.push([]);
          } else {
            bitmap[bitmap.length - 1].push(data[i] - '0');
          }
        }

        container.appendChild(stats.domElement);

        // Renderer
        renderer = new THREE.WebGLRenderer({
          alpha: true,
          antialias: true,
          canvas: canvas,
        });
        renderer.setClearColor(0x212121, 0);
        renderer.setPixelRatio(window.devicePixelRatio);
        renderer.shadowMap.enabled = true;
        renderer.shadowMap.type = THREE.PCFSoftShadowMap;
        renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);

        // Camera and Controls
        camera = new THREE.PerspectiveCamera(fov, SCREEN_ASPECT_RATIO, 0.1, 1000);
        // camera = new THREE.OrthographicCamera(-viewWidth, viewWidth, viewHeight, -viewHeight, 1, 300);
        camera.position.set(cameraPos[0], cameraPos[1], cameraPos[2]);
        camera.lookAt(new THREE.Vector3(cameraLookAt[0], cameraLookAt[1], cameraLookAt[2]));
        raycaster = new THREE.Raycaster();

        // controls = new THREE.OrbitControls(camera);
        // controls.rotateSpeed = 2.0;
        // controls.zoomSpeed = 2.0;
        // controls.enableZoom = true;
        // controls.enablePan = true;
        // controls.dampingFactor = 0.2;
        // controls.addEventListener('change', render);

        //Scene
        scene = new THREE.Scene();


        //Lights

        // Making Object Array
        var xOffset = -bitmap[0].length / (BITMAP_SKIP * 2);
        var yOffset = bitmap.length / (BITMAP_SKIP * 2);
        for (var i = 0; i < bitmap.length; i += BITMAP_SKIP) {
          for (var j = 0; j < bitmap[i].length; j += BITMAP_SKIP) {
            if (bitmap[i][j] == 1) {
              planeGeometry = new THREE.PlaneGeometry(1, 1);
              var circleGeometry = new THREE.CircleGeometry(1, 5);
              var frac = i / bitmap.length;
              // Materials
              planeMaterial = new THREE.MeshBasicMaterial({
                color: new THREE.Color(
                  color1[0] * frac + color2[0] * (1 - frac),
                  color1[1] * frac + color2[1] * (1 - frac),
                  color1[2] * frac + color2[2] * (1 - frac)
                ),
                transparent: true,
                opacity: THREE.Math.randFloat(0.4, 0.6),
                side: THREE.DoubleSide
              });

              var circleMaterial = new THREE.MeshBasicMaterial({
                color: new THREE.Color(1, 1, 1),
                transparent: true,
                opacity: THREE.Math.randFloat(0.8, 1),
                side: THREE.DoubleSide
              });

              // Mesh
              planeMesh = new THREE.Mesh(planeGeometry, planeMaterial);
              planeMesh.position.set(xOffset + j / BITMAP_SKIP, yOffset - i / BITMAP_SKIP, 0);
              var randWidth = THREE.Math.randFloat(0.6, 1.2);
              var randHeight = randWidth
              planeMesh.scale.set(randWidth, randHeight, 1);
              scene.add(planeMesh);
              objetArray.push([planeMesh, false]);


              circleMesh = new THREE.Mesh(circleGeometry, circleMaterial);
              circleMesh.position.set(xOffset + j / BITMAP_SKIP + THREE.Math.randFloat(-0.5, 0.5), yOffset - i / BITMAP_SKIP + THREE.Math.randFloat(-0.5, 0.5), 0.1);
              var randRadius = THREE.Math.randFloat(0.05, 0.1);
              circleMesh.scale.set(randRadius, randRadius, 1);
              scene.add(circleMesh);
              objetArray.push([circleMesh, false]);
            }

          }
        }


        //Geometry 

        // Materials


        // Mesh


        // Helpers

        //Add Stuff to Scene


      }

      function animate() {

        requestAnimationFrame(animate);
        render();
        stats.update();
        // controls.update();
        frame++;
      }

      function render() {

        while (animationQueue.length > 0) {
          var obj_index = animationQueue[0][0];
          var ani_frame = animationQueue[0][1];
          if (ani_frame > ANIMATION_FRAME_LENGTH) {
            objetArray[obj_index][1] = false;
            animationQueue.shift();
          } else {
            break;
          }
        }

        for (var i = 0; i < objetArray.length; i++) {
          var obj = objetArray[i][0];
          var isAnimating = objetArray[i][1];
          if (isAnimating == false) {
            var px = obj.position.x;
            var py = obj.position.y;
            var dist = Math.sqrt(Math.pow(px - mouseScaled.x, 2) + Math.pow(py - mouseScaled.y, 2));
            if (dist < INTERACT_DISTANCE) {
              var startPosVector = obj.position.clone();
              var mouseRepelVector = new THREE.Vector3().subVectors(startPosVector, mouseScaled).multiplyScalar(THREE.Math.randFloat(INTERACT_DISTANCE + 0.5, INTERACT_DISTANCE + 2) - dist);
              var endPosVector = new THREE.Vector3().addVectors(startPosVector, mouseRepelVector);
              animationQueue.push([i, 0, startPosVector, endPosVector]);
              objetArray[i][1] = true;
            }
          }
        }

        for (var i = 0; i < animationQueue.length; i++) {
          var obj = objetArray[animationQueue[i][0]][0];
          var ani_frame = animationQueue[i][1];
          var startPosVector = animationQueue[i][2];
          var endPosVector = animationQueue[i][3];
          var curPosVector = new THREE.Vector3();
          var frac = 1 - Math.abs(ani_frame - (ANIMATION_FRAME_LENGTH / 2)) / (ANIMATION_FRAME_LENGTH / 2);
          frac = easeOutQuad(frac);
          curPosVector.lerpVectors(startPosVector, endPosVector, frac);

          obj.position.x = curPosVector.x;
          obj.position.y = curPosVector.y;
          obj.position.z = curPosVector.z;
          animationQueue[i][1] += 1;
        }

        mouse = new THREE.Vector3(10000, 10000, -2);
        mouseScaled = new THREE.Vector3(10000, 10000, -2);

        renderer.render(scene, camera);
      }

      function onWindowResize() {
        SCREEN_HEIGHT = Math.min(window.innerWidth, window.innerHeight);
        SCREEN_WIDTH = SCREEN_HEIGHT;
        SCREEN_ASPECT_RATIO = SCREEN_WIDTH / SCREEN_HEIGHT;
        camera.aspect = SCREEN_ASPECT_RATIO;
        camera.updateProjectionMatrix();
        renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
        console.log(SCREEN_WIDTH + "x" + SCREEN_HEIGHT)
      }

      function onDocumentMouseMove(event) {

        var rect = canvas.getBoundingClientRect();

        mouse.x = event.clientX - rect.left;
        mouse.y = event.clientY - rect.top;

        mouseScaled.x = mouse.x * viewWidth / SCREEN_WIDTH - viewWidth / 2;
        mouseScaled.y = -mouse.y * viewHeight / SCREEN_HEIGHT + viewHeight / 2;

      }

      function sigmoid(t) {
        return 1 / (1 + Math.pow(Math.E, -t));
      }

      // no easing, no acceleration
      function linear(t) {
        return t;
      }
      // accelerating from zero velocity
      function easeInQuad(t) {
        return t * t;
      }
      // decelerating to zero velocity
      function easeOutQuad(t) {
        return t * (2 - t);
      }
      // acceleration until halfway, then deceleration
      function easeInOutQuad(t) {
        return t < .5 ? 2 * t * t : -1 + (4 - 2 * t) * t;
      }
      // accelerating from zero velocity 
      function easeInCubic(t) {
        return t * t * t;
      }
      // decelerating to zero velocity 
      function easeOutCubic(t) {
        return (--t) * t * t + 1;
      }
      // acceleration until halfway, then deceleration 
      function easeInOutCubic(t) {
        return t < .5 ? 4 * t * t * t : (t - 1) * (2 * t - 2) * (2 * t - 2) + 1;
      }
      // accelerating from zero velocity 
      function easeInQuart(t) {
        return t * t * t * t;
      }
      // decelerating to zero velocity 
      function easeOutQuart(t) {
        return 1 - (--t) * t * t * t;
      }
      // acceleration until halfway, then deceleration
      function easeInOutQuart(t) {
        return t < .5 ? 8 * t * t * t * t : 1 - 8 * (--t) * t * t * t;
      }
      // accelerating from zero velocity
      function easeInQuint(t) {
        return t * t * t * t * t;
      }
      // decelerating to zero velocity
      function easeOutQuint(t) {
        return 1 + (--t) * t * t * t * t;
      }
      // acceleration until halfway, then deceleration 
      function easeInOutQuint(t) {
        return t < .5 ? 16 * t * t * t * t * t : 1 + 16 * (--t) * t * t * t * t;
      }

      //Event Handlers
      window.addEventListener("resize", onWindowResize);


      init();
      animate();

    }

    ThreeJSCanvas(1);
    function guanzhu() {
    var idma = document.getElementById('idma');
    if (idma.style.display == 'block') { // == 判断div.display是否为显示
        idma.style.display = 'none'; //= 赋值也可了解成改变
      }
      else {
        idma.style.display = 'block';
      }
    }
  </script>
</body>
<!-- layui -->
<script type="text/javascript" src="static/home/lib/layui/layui.all.js"></script>

</html>