js实现假的三维云朵鼠标交互效果代码-html代码-BFW代码库

js实现假的三维云朵鼠标交互效果代码

代码语言：html

所属分类：其他

代码描述：js实现假的三维云朵鼠标交互效果代码

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>
#viewport {
  position: absolute;
  overflow: hidden;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  perspective: 1000px;
  background-image: linear-gradient(bottom, #4584b4 28%, #1f4778 64%);
  background-image: -o-linear-gradient(bottom, #4584b4 28%, #1f4778 64%);
  background-image: -moz-linear-gradient(bottom, #4584b4 28%, #1f4778 64%);
  background-image: -webkit-linear-gradient(bottom, #4584b4 28%, #1f4778 64%);
  background-image: -ms-linear-gradient(bottom, #4584b4 28%, #1f4778 64%);
  background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0.28, #4584b4), color-stop(0.64, #1f4778));
}

#world {
  position: absolute;
  height: 512px;
  width: 512px;
  top: 50%;
  left: 50%;
  margin-left: -256px;
  margin-top: -256px;
  transform-style: preserve-3d;
}
#world div {
  transform-style: preserve-3d;
}

.cloudBase {
  position: absolute;
  height: 20px;
  width: 20px;
  top: 256px;
  left: 256px;
  margin-top: -10px;
  margin-left: -10px;
}

.cloudLayer {
  position: absolute;
  height: 256px;
  width: 256px;
  top: 50%;
  left: 50%;
  margin-top: -128px;
  margin-left: -128px;
  transition: opacity 0.5s ease-out;
}
</style>


</head>

<body>
  <div id="viewport">
  <div id="world"></div>
</div>

  
      <script>

(function () {
  var lastTime = 0;
  var vendors = ['ms', 'moz', 'webkit', 'o'];
  for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
    window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
    window.cancelRequestAnimationFrame = window[vendors[x] + 'cancelRequestAnimationFrame'];
  }
  if (!window.requestAnimationFrame) {
    window.requestAnimationFrame = function (callback, element) {
      var currTime = new Date().getTime();
      var timeToCall = Math.max(0, 16 - (currTime - lastTime));
      var id = window.setTimeout(function () {callback(currTime + timeToCall);}, timeToCall);
      lastTime = currTime + timeToCall;
      return id;
    };
  }
  if (!window.cancelAnimationFrame) {
    window.cancelAnimationFrame = function (id) {
      clearTimeout(id);
    };
  }
})();

/*
  Defining our variables
  world and viewport are DOM elements,
  worldXAngle and worldYAngle are floats that hold the world rotations,
  d is an int that defines the distance of the world from the camera
*/
var world = document.getElementById('world'),
viewport = document.getElementById('viewport'),
worldXAngle = 0,
worldYAngle = 0,
d = 0;

/*
  objects is an array of clouds bases
  layers is an array of clouds layers
*/
var objects = [],
layers = [];

generate();

/*
  Creates a single cloud base: a div in world
  that is translated randomly into world space.
  Each axis goes from -256 to 256 pixels.
*/
function createCloud() {
  var div = document.createElement('div');
  div.className = 'cloudBase';
  var random_x = 256 - Math.random() * 512;
  var random_y = 256 - Math.random() * 512;
  var random_z = 256 - Math.random() * 512;
  var t = 'translateX(' + random_x + 'px) \
           translateY(' + random_y + 'px) \
    .........完整代码请登录后点击上方下载按钮下载查看