<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <title>利用JS实现文字的聚合动画效果</title> <style> .boxWrap1{width: 160px;height: 417px;position: relative;margin:0px auto;} .boxWrap1 img{width: 100%;} .boxWrap1 div{background: url(http://itakeo.com/wpimg/2_1.png) no-repeat;background-size: 160px auto; position: absolute; left: 0px;top: 0px; } .boxWrap1.set div{ opacity: 1!important; transform:perspective(800px) translate3d(0px,0px,0px) rotate(0deg) scale(1)!important; -moz-transform:perspective(800px) translate3d(0px,0px,0px) rotate(0deg) scale(1)!important; -webkit-transform:perspective(800px) translate3d(0px,0px,0px) rotate(0deg) scale(1)!important; } .boxSiteWrap{ width: 100%;overflow: hidden;height: auto; background: #000;padding: 140px 0} .boxSiteWrap button{cursor:pointer;display: block;font-size: 16px; width: 140px;height: 40px; background: #fff;color: #000;border:none;margin:30px auto;} </style> </head> <body> <div class="boxSiteWrap"> <div class="boxWrap1"></div> <button>重新加载</button> </div> <script> window.addEventListener('load',function(){ ;(function(){ function init(){ var box = document.querySelector('.boxWrap1') var c=4,r=8; var w = box.offsetWidth/c,h = box.offsetHeight/r; for(var i=0;i<r;i++){ for(var j=0;j<c;j++) { var _div=document.createElement('div'); var _left = j * w,_top = i * h; _div.style.cssText = ''+w+'px;height:'+h+'px;left:'+_left+'px;top:'+_top+'px; opacity:0;background-position:'+(-_left) + 'px ' + (-_top) + 'px'; _div.style.transition = _div.style.MozTransition = _div.style.WebkitTransition = 'all '+ Random(1,1.8) +'s ease'; _div.style.transform = _div.style.MozTransform = _div.style.WebkitTransform = 'perspective(800px) translate3d('+Random(-200,200)+'px, '+Random(-200,200)+'px,300px) rotate('+Random(-90,90)+'deg) scale('+ Random(0,2) +')' box.appendChild(_div); }; }; setTimeout(function(){ box.classList.add('set') },100); function Random(start,end){ return Math.random()*(end-start)+start; }; }; init(); var flag = true; document.querySelector('button').onclick = function(){ if(flag){ document.querySelector('.boxWrap1').classList.remove('set') setTimeout(function(){ document.querySelector('.boxWrap1').innerHTML = ''; init(); flag = true; },1200); flag = false; }; }; })(); }); </script> </body> </html>
demo:https://controllerone.github.io/demo/piece.html
原文链接：http://itakeo.com/blog/2015/12/14/imgcover/?none=123