JavaScript制作3D旋转相册

更新时间：2020-09-19 11:18:01 作者：startmvc

本文实例为大家分享了js3D旋转相册展示的具体代码，供大家参考，具体内容如下源代码：&l

本文实例为大家分享了js 3D旋转相册展示的具体代码，供大家参考，具体内容如下

源代码：


<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>
 <style>
 *{padding:0;margin:0; font-family: "Proxima Nova","proxima-nova","Helvetica Neue",Helvetica,Arial,sans-serif !important;}
 html body{overflow: hidden;}
 body{background:#ccc;}
 .box{width:140px; height:200px; -webkit-transform-style:preserve-3d; -webkit-transform: perspective(800px) rotateY(0deg) rotateX(0deg); position:relative; margin:400px auto;}
 .box span{width:140px; height:200px; position: absolute; background:deepskyblue; font-size:20px;
 text-align: center; line-height:200px; color:white;}
 </style>
 <script>
 function r2n(n){
 return n*Math.PI/180
 }
 window.onload=function(){
 var oBox=document.getElementsByClassName('box')[0];
 var aS=document.getElementsByTagName('span');
 for(var i=0;i<aS.length;i++){
 aS[i].style.WebkitTransition='1s all ease '+(aS.length-i)*.1+'s';
 aS[i].style.WebkitTransform='rotateY('+i*360/aS.length+'deg)'+' translateZ(500px) '
 }
 var pos=[];
 var x=0;
 var y=0;
 var timer=null;
 var timer2=null;
 document.onmousedown=function(ev){
 timer=setInterval(function(){
 pos[0]=pos[2];
 pos[1]=pos[3];
 pos[2]=x;
 pos[3]=y;
 },30);
 var disx=ev.pageX-x;
 var disy=ev.pageY-y;
 document.onmousemove=function(ev){
 x=ev.pageX-disx;
 y=ev.pageY-disy;
 oBox.style.WebkitTransform=' perspective(800px)'+' rotateY('+x/3+'deg)'+'rotateX('+-y/3+'deg)';
 };
 document.onmouseup=function(){
 clearInterval(timer);
 var speedx=pos[2]-pos[0];
 var speedy=pos[3]-pos[1];
 timer2=setInterval(function(){
 x+=speedx;
 y+=speedy;
 oBox.style.WebkitTransform=' perspective(800px)'+' rotateY('+x/3+'deg)'+'rotateX('+-y/3+'deg)';
 speedx*=0.94;
 speedy*=0.94;
 if(Math.abs(speedx)<1)speedx=0;
 if(Math.abs(speedy)<1)speedy=0;
 if(speedx==0&&speedy==0){
 clearInterval(timer2)
 }
 },30);
 document.onmousemove=null;
 document.onmouseup=null;
 }
 };
 return false
 }
 </script>
</head>
<body>
<div class="box">
 <span>1</span>
 <span>2</span>
 <span>3</span>
 <span>4</span>
 <span>5</span>
 <span>6</span>
 <span>7</span>
 <span>8</span>
 <span>9</span>
 <span>10</span>
 <span>11</span>
 <span>12</span>
</div>
</body>
</html>

效果图：