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图片破碎 效果

2024-09-21 00:11:20   218人阅读

 

图片先显示 而后化为颗粒 、飞出、消失

 效果图：

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代码：

<!DOCTYPE>
<html>
<head>
    <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
    <title></title>
    <style type="text/css">
        .boomCont{
            width: 400px;
            height: 220px;
            position: absolute;
            top: 0px;right: 0px;
            bottom: 0px;left: 0px;
            margin: auto;
            /*overflow: hidden;*/
            /*border: 1px solid red;*/
            /*display: flex;*/
        }
        .test-img{
            width: 400px;
            position: absolute;
            /*display: none;*/
            z-index: 10;
        }
        .item-ball{
            position: relative;
            top: 0px;left: 0px;
            float: left;
            background: url("test-img/t1.jpg");
            transition:all 1.8s linear;
            /*background-size:500px 400px;*/
            /*background-color: black;*/
            border-radius: 50%;
        }
        .item-ball:nth-child(1){
            display: none;
        }
    </style>
</head>
<body>
        <div class="boomCont" id="boomCont">
            <div class="item-ball"></div>
            <img class="test-img" src="test-img/t1.jpg" alt="">
        </div>

</body>
<script src="js/jquery-1.11.3.js"></script>
<script type="text/JavaScript">
    var box=document.getElementById(‘boomCont‘),
         ball=document.getElementsByClassName(‘item-ball‘)[0],
         frag=document.createDocumentFragment(),
         dia=10,   //直径
         //中心点坐标
         xC= box.getBoundingClientRect().left+box.getBoundingClientRect().width/ 2,
         yC= box.getBoundingClientRect().top+box.getBoundingClientRect().height/ 2,
         rNum=parseInt(box.getBoundingClientRect().height/dia),
         cNum=parseInt(box.getBoundingClientRect().width/dia) ;
    ball.style.width=dia+‘px‘;ball.style.height=dia+‘px‘;
    for(var r=0;r<rNum;r++){
        for (var c=0;c<cNum;c++){
            var cl=ball.cloneNode(true);
            ball.style.backgroundPosition=‘-‘+c*dia+‘px ‘+‘-‘+r*dia+‘px‘;
            frag.appendChild(cl);
        }
    }
    box.appendChild(frag);
    function randNum(min,max){
        return (Math.random()*(max - min)+min);
    }
    function disappear(){
        console.log(xC,yC);
        $(‘.test-img‘).fadeOut(1000);
      $(‘.item-ball‘).each(function(){
          $(this).animate({
              ‘top‘:randNum(-110,110)+‘px‘,
              ‘left‘:randNum(-200,200)+‘px‘,
              ‘transform‘:‘scale(‘+randNum(0.3,1.8)+‘)‘,
              ‘opacity‘:0
          });
      });
    }
    disappear();

</script>
</html>

 

图片破碎 效果


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