lovecoding
/
VIP20


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    * {
      margin: 0;
      padding: 0;
    }

    body {
      background: rgba(0, 0, 0, 0.5);
    }

    img {
      width: 125px;
      height: 125px;
      position: absolute;
      top: -125px;
      left: -125px;
      transition: all 2s ease;
    }
  </style>
</head>

<body>
  <img src="image/1.jpg" alt="">
  <img src="image/2.jpg" alt="">
  <img src="image/3.jpg" alt="">
  <img src="image/4.jpg" alt="">
  <img src="image/5.jpg" alt="">
  <img src="image/6.jpg" alt="">
  <img src="image/7.jpg" alt="">
  <img src="image/8.jpg" alt="">
  <img src="image/9.jpg" alt="">
  <img src="image/10.jpg" alt="">
  <img src="image/11.jpg" alt="">
  <img src="image/12.jpg" alt="">
  <img src="image/13.jpg" alt="">
  <img src="image/14.jpg" alt="">
  <img src="image/15.jpg" alt="">
  <img src="image/16.jpg" alt="">
  <img src="image/17.jpg" alt="">
  <img src="image/18.jpg" alt="">
  <img src="image/19.jpg" alt="">
  <img src="image/20.jpg" alt="">
  <img src="image/21.jpg" alt="">
  <img src="image/22.jpg" alt="">
  <img src="image/23.jpg" alt="">
  <img src="image/24.jpg" alt="">
  <script>
    var oImg = document.getElementsByTagName('img')

    /* 
    0     1     2     3     4     5
    6     7     8     9     10    11
    12    13    14    15    16    17
    18    19    20    21    22    23
    */
    //获取屏幕的宽高
    var screenWidth = document.body.clientWidth || document.documentElement.clientWidth
    var screenHeight = document.body.clientHeight || document.documentElement.clientHeight

    //横轴缝隙的距离
    //(屏幕的横轴距离-图片*个数)/几个缝隙
    var spaceX = (screenWidth - 125 * 6) / 7
    var spaceY = (screenHeight - 125 * 4) / 5
    //left = 列数 * 空隙距离  +  (列数-1) * 图片
    //top = 行数 * 空隙距离  + (行数-1) * 图片

    for (var i = 0; i < oImg.length; i++) {
      //求多少列
      var col = i % 6 + 1
      //求多少行
      var row = Math.floor(i / 6) + 1

      oImg[i].style.left = col * spaceX + (col - 1) * 125 + 'px'
      oImg[i].style.top = row * spaceY + (row - 1) * 125 + 'px'
      //transform: rotateZ(30deg)
      oImg[i].style.transform = 'rotate(' + (Math.random()*50) +'deg)'

      //设置延迟时间  末尾的图片 延迟时间小  前面的图片 延迟时间大
      // 索引大的  延迟时间小  索引小的 延迟时间大
      oImg[i].style.transitionDelay =  (23-i) * 100 + 'ms'
    }
  </script>
</body>

</html>