JS旋轉圖片陣類

2019-11-21 01:36:59

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>JS旋轉圖片陣效果 brought to you by 斬夢人.天天 qq:22062019</title> <style type="text/css"> body{background:black;color:white;font-family: Arial, Helvetica, sans-serif;font-size:16px;line-height:29px} span{border:1px solid gray;background:#333;padding:4px;font-weight:bold;} </style></head> <body> <span>使用方法</span>: 首先定義一個imgRound類: <span>var rt = new imgRound("imgContainer", 120, 90, 500, 220, 230, 0.01)</span> 然后使用定時函數調用imgRound實例的roundMove方法: <span>setInterval(function(){rt.roundMove()}, 20)</span> <script>     window.onload=function(){         var rt=new imgRound("imgContainer",120,90,300,80,230,0.01);         setInterval(function(){rt.roundMove()},20)     }     function imgRound(id,w,h,x,y,r,dv,rh,ah){         if (ah==undefined) ah=1;         if (rh==undefined) rh=10;         var dv=dv*ah; //旋轉速度         var pi=3.1415926575;         var d=pi/2;         var pd=Math.asin(w/2/r);         var smove=true;         var imgArr=new Array();         var objectId=id;         var o=document.getElementById(objectId);         o.style.position="relative";         var arrimg=o.getElementsByTagName("img");         var pn=arrimg.length; //圖片數量         var ed=pi*2/pn;         for (n=0;n<arrimg.length;n++){             var lk=arrimg[n].getAttribute("link");             if (lk!=null) arrimg[n].setAttribute("title",lk)             arrimg[n].onclick=function(){                 if (this.getAttribute("link")!=null){                     if (this.getAttribute("target")!="_blank") window.location=(this.getAttribute("link"))                     else window.open(this.getAttribute("link"))                 }             }             arrimg[n].onmouseout=function(){smove=true;}             arrimg[n].onmouseover=function(){smove=false;}             arrimg[n].style.position="absolute";             imgArr.push(arrimg[n]);         }                  this.roundMove=function(){             for (n=0;n<=pn-1;n++){                 var o=imgArr[n];                 var ta=Math.sin(d+ed*n),strFilter;                 if (ta<0) o.style.left=Math.cos(d+ed*n-pd)*r+x+"px";                 else o.style.left=Math.cos(d+ed*n+pd)*r+x+"px";                 o.style.top=ta*rh+rh+y+"px";                 var zoom=Math.abs(Math.sin((d+ed*n)/2+pi/4))*0.5+0.5;                 o.style.width=Math.abs(Math.cos(d+ed*n+pd)-Math.cos(d+ed*n-pd))*zoom*r+"px";                 o.style.height=zoom*h+"px";                 if (ta<0) {ta=(ta+1)*80+20;o.style.zIndex=0;}                 else {ta=100;o.style.zIndex=1}                 if (o.style.zIndex<=0) strFilter="FlipH(enabled:true)"                 else strFilter="FlipH(enabled:false)";                 strFilter=strFilter+" alpha(opacity="+ta+")";                 o.style.opacity=ta/100;                 o.style.filter=strFilter;             }             if (smove) d=d+dv;         }     } </script> <div   class="iwvjtn8m0"   id="imgContainer" style="width:600px;height:300px;border:1px solid red"> <img src="http://www.lululu520.cn/blueidea/images/s1.jpg"/> <img src="http://www.lululu520.cn/blueidea/images/s2.jpg"/> <img src="http://www.lululu520.cn/blueidea/images/s3.jpg"/> <img src="http://www.lululu520.cn/blueidea/images/s4.jpg" link="http://www.baidu.com" target="_blank"/> <img src="http://www.lululu520.cn/blueidea/images/s5.jpg" link="http://www.google.com"/> <img src="http://www.lululu520.cn/blueidea/images/s1.jpg"/> <img src="http://www.lululu520.cn/blueidea/images/s2.jpg"/> <img src="http://www.lululu520.cn/blueidea/images/s3.jpg"/> </div> 參數說明: initRound(id,w,h,x,y,r,dv,rh,ah); id: 容器ID w: 圖片寬度 h: 圖片高度 x: 圓心水平位置 y: 圓心垂直位置 r: 圓圈半徑 dv: 旋轉速度 rh: 垂直距離 (可選,默認為10) ah: 旋轉方向 (可選,1:順時針,2:逆時針,默認為1) <body></html>

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