BFFE
/
smartPlatformScreen


			
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							<!DOCTYPE html
  PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>热词云js代码标签云球状3D旋转展示</title>
  <meta name="description" content="js代码制作标签云球状3D旋转展示，通过鼠标滑过标签感应来进行3D旋转效果。" />
</head>

<body>

  <style type="text/css">
    * {
      margin: 0;
      padding: 0;
      list-style-type: none;
      border: none;
    }

    a,
    img {
      border: 0;
    }

    body {
      /* background: #09c; */
    }

    /* rotate */
    #rotate {
      height: 100%;
      width: 100%;
      position: relative;
      margin: 10px auto;
    }

    #rotate a {
      position: absolute;
      top: 0px;
      left: 0px;
      color: #09c;
      font-weight: bold;
      padding: 3px 6px;
      font-size: 14px;
    }

    #rotate a:hover {
      /* border: 1px solid #eee; */
      background: #000;
      border-radius: 5px;
    }
  </style>

  <!-- <script type="text/javascript" src="js/rotate.js"></script> -->

  <!-- 代码开始 -->
  <div id="rotate">
    <a href="http://www.baidu.com" target="_blank">托盘</a>
    <a href="http://www.baidu.com" target="_blank">小车</a>
    <a href="http://www.baidu.com" target="_blank">直线电机</a>
    <a href="http://www.baidu.com" target="_blank">小车网络</a>
    <a href="http://www.baidu.com" target="_blank">倾翻机构</a>
    <a href="http://www.baidu.com" target="_blank">继电器</a>
    <a href="http://www.baidu.com" target="_blank">托盘</a>
    <a href="http://www.baidu.com" target="_blank">小车</a>
    <a href="http://www.baidu.com" target="_blank">直线电机</a>
    <a href="http://www.baidu.com" target="_blank">小车网络</a>
    <a href="http://www.baidu.com" target="_blank">倾翻机构</a>
    <a href="http://www.baidu.com" target="_blank">继电器</a>
  </div>
  <!-- 代码结束 -->

</body>


<script>
  var radius = 150;
  var dtr = Math.PI / 180;
  var d = 300;

  var mcList = [];
  var active = false;
  var lasta = 1;
  var lastb = 1;
  var distr = true;
  var tspeed = 2;
  var size = 250;

  var mouseX = 0;
  var mouseY = 0;

  var howElliptical = 1;

  var aA = null;
  var oDiv = null;

  window.onload = function () {
    var i = 0;
    var oTag = null;

    oDiv = document.getElementById('rotate');

    aA = oDiv.getElementsByTagName('a');

    for (i = 0; i < aA.length; i++) {
      oTag = {};

      oTag.offsetWidth = aA[i].offsetWidth;
      oTag.offsetHeight = aA[i].offsetHeight;

      mcList.push(oTag);
    }

    sineCosine(0, 0, 0);

    positionAll();

    oDiv.onmouseover = function () {
      active = true;
    };

    oDiv.onmouseout = function () {
      active = false;
    };

    oDiv.onmousemove = function (ev) {
      var oEvent = window.event || ev;

      mouseX = oEvent.clientX - (oDiv.offsetLeft + oDiv.offsetWidth / 2);
      mouseY = oEvent.clientY - (oDiv.offsetTop + oDiv.offsetHeight / 2);

      mouseX /= 5;
      mouseY /= 5;
    };

    setInterval(update, 30);
  };

  function update() {
    var a;
    var b;

    if (active) {
      a = (-Math.min(Math.max(-mouseY, -size), size) / radius) * tspeed;
      b = (Math.min(Math.max(-mouseX, -size), size) / radius) * tspeed;
    }
    else {
      a = lasta * 0.98;
      b = lastb * 0.98;
    }

    lasta = a;
    lastb = b;

    if (Math.abs(a) <= 0.01 && Math.abs(b) <= 0.01) {
      return;
    }

    var c = 0;
    sineCosine(a, b, c);
    for (var j = 0; j < mcList.length; j++) {
      var rx1 = mcList[j].cx;
      var ry1 = mcList[j].cy * ca + mcList[j].cz * (-sa);
      var rz1 = mcList[j].cy * sa + mcList[j].cz * ca;

      var rx2 = rx1 * cb + rz1 * sb;
      var ry2 = ry1;
      var rz2 = rx1 * (-sb) + rz1 * cb;

      var rx3 = rx2 * cc + ry2 * (-sc);
      var ry3 = rx2 * sc + ry2 * cc;
      var rz3 = rz2;

      mcList[j].cx = rx3;
      mcList[j].cy = ry3;
      mcList[j].cz = rz3;

      per = d / (d + rz3);

      mcList[j].x = (howElliptical * rx3 * per) - (howElliptical * 2);
      mcList[j].y = ry3 * per;
      mcList[j].scale = per;
      mcList[j].alpha = per;

      mcList[j].alpha = (mcList[j].alpha - 0.6) * (10 / 6);
    }

    doPosition();
    depthSort();
  }

  function depthSort() {
    var i = 0;
    var aTmp = [];

    for (i = 0; i < aA.length; i++) {
      aTmp.push(aA[i]);
    }

    aTmp.sort
      (
        function (vItem1, vItem2) {
          if (vItem1.cz > vItem2.cz) {
            return -1;
          }
          else if (vItem1.cz < vItem2.cz) {
            return 1;
          }
          else {
            return 0;
          }
        }
      );

    for (i = 0; i < aTmp.length; i++) {
      aTmp[i].style.zIndex = i;
    }
  }

  function positionAll() {
    var phi = 0;
    var theta = 0;
    var max = mcList.length;
    var i = 0;

    var aTmp = [];
    var oFragment = document.createDocumentFragment();


    for (i = 0; i < aA.length; i++) {
      aTmp.push(aA[i]);
    }

    aTmp.sort
      (
        function () {
          return Math.random() < 0.5 ? 1 : -1;
        }
      );

    for (i = 0; i < aTmp.length; i++) {
      oFragment.appendChild(aTmp[i]);
    }

    oDiv.appendChild(oFragment);

    for (var i = 1; i < max + 1; i++) {
      if (distr) {
        phi = Math.acos(-1 + (2 * i - 1) / max);
        theta = Math.sqrt(max * Math.PI) * phi;
      }
      else {
        phi = Math.random() * (Math.PI);
        theta = Math.random() * (2 * Math.PI);
      }

      mcList[i - 1].cx = radius * Math.cos(theta) * Math.sin(phi);
      mcList[i - 1].cy = radius * Math.sin(theta) * Math.sin(phi);
      mcList[i - 1].cz = radius * Math.cos(phi);

      aA[i - 1].style.left = mcList[i - 1].cx + oDiv.offsetWidth / 2 - mcList[i - 1].offsetWidth / 2 + 'px';
      aA[i - 1].style.top = mcList[i - 1].cy + oDiv.offsetHeight / 2 - mcList[i - 1].offsetHeight / 2 + 'px';
    }
  }

  function doPosition() {
    var l = oDiv.offsetWidth / 2;
    var t = oDiv.offsetHeight / 2;
    for (var i = 0; i < mcList.length; i++) {
      aA[i].style.left = mcList[i].cx + l - mcList[i].offsetWidth / 2 + 'px';
      aA[i].style.top = mcList[i].cy + t - mcList[i].offsetHeight / 2 + 'px';

      aA[i].style.fontSize = Math.ceil(12 * mcList[i].scale / 2) + 8 + 'px';

      aA[i].style.filter = "alpha(opacity=" + 100 * mcList[i].alpha + ")";
      aA[i].style.opacity = mcList[i].alpha;
    }
  }

  function sineCosine(a, b, c) {
    sa = Math.sin(a * dtr);
    ca = Math.cos(a * dtr);
    sb = Math.sin(b * dtr);
    cb = Math.cos(b * dtr);
    sc = Math.sin(c * dtr);
    cc = Math.cos(c * dtr);
  }
</script>

</html>