很酷的js图片展示特效

2016-11-04 网页编程网 网页编程网

<html>
<head>
<title>非常酷的图片展示效果</title>
<meta http-equiv="imagetoolbar" content="no">
<style type="text/css">
 html {
  overflow: hidden;
 }
 body {
  background: #222;
  width: 100%;
  height: 100%;
  cursor: crosshair;
 }
 .spanSlide {
  position: absolute;
  background: #000;
  font-size: 1px;
  overflow: hidden;
 }
 .imgSlide {
  position: absolute;
  left: 5%;
  top: 5%;
  width: 90%;
  height: 90%;
  overflow: hidden;
 }
 .txtSlide {
  position: absolute;
  top: 5%;
  left: 50px;
  width:100%;
  color:#FFF;
  font-family: arial, helvetica, verdana, sans-serif;
  font-weight: bold;
  font-size:96px;
  letter-spacing:12px;
  filter: alpha(opacity=70);
  -moz-opacity:0.7;
  opacity:0.7;
 }
</style>
<script type="text/javascript">
var ym=0;
var ny=0;
createElement = function(container, type, param){
 o=document.createElement(type);
 for(var i in param)o[i]=param[i];
 container.appendChild(o);
 return o;
}
mooz = {
 O:[],
 /////////
 mult:6,
 nbI:5,
 /////////
 rwh:0,
 imgsrc:0,
 W:0,
 H:0,
 Xoom:function(N){
  this.o = createElement(document.getElementById("screen"), "span", {
   'className':'spanSlide'
  });
  img = createElement(this.o, "img", {
   'className':"imgSlide",
   'src':mooz.imgsrc[N%mooz.imgsrc.length].src
  });
  spa = createElement(this.o, "span", {
   'className':"imgSlide"
  });
  txt = createElement(spa, "span", {
   'className':"txtSlide",
   'innerHTML':mooz.imgsrc[N%mooz.imgsrc.length].title
  });
  this.N = 10000+N;
 },
 mainloop:function(){
  with(this){
   for(i=0; i<mooz.nbI; i++) {
    O[i].N += (ym-ny)/8000;
    N = O[i].N%nbI;
    ti = Math.pow(mult,N);
    with(O[i].o.style){
     left   = Math.round((W-(ti*rwh))/(W+ti)*(W*.5))+"px";
     top    = Math.round((H-ti)/(H+ti)*(H*.5))+"px";
     zIndex = Math.round(10000-ti*.1);
     width  = Math.round(ti*rwh)+"px";
     height = Math.round(ti)+"px";
    }
   }
  }
  setTimeout("mooz.mainloop();", 16);
 },
 oigres:function(){
  with(this){
   W = parseInt(document.getElementById("screen").style.width);
   H = parseInt(document.getElementById("screen").style.height);
   imgsrc = document.getElementById("images").getElementsByTagName("img");
   rwh = imgsrc[0].width/imgsrc[0].height;
   for(var i=0;i<nbI;i++) O[i] = new Xoom(i);
   mainloop();
  }
 }
}
document.onmousemove = function(e){
 if(window.event) e=window.event;
 ym = (e.y || e.clientY);
 if(ym/2>ny)ny=ym/2;
}
window.onload = function(){
 ym = ny+50;
 mooz.oigres();
}
</script>
</head>
<body>
<div style="position:absolute;left:50%;top:50%">
 <div style="position:absolute;width:720px;height:560px;left:-360px;top:-280px;background:#fff"></div>
 <div style="position:absolute;left:-40px;top:-6px;color:#000;font-family:arial;font-size:0.9em">Loading...</div>
 <div id="screen" style="position:absolute;width:640px;height:480px;left:-320px;top:-240px;overflow:hidden"></div>
</div>
<div id="images" style="visibility:hidden">
 <img title="this is a dog" src="http://youkud.com/image/banner4.jpg">
 <img title="yes" src="http://youkud.com/image/banner3.jpg">
 <img title="my games" src="http://youkud.com/image/banner2.jpg">
 <img title="your mother" src="http://youkud.com/image/banner1.jpg">
 <img title="welcome to you mother" src="http://youkud.com/image/logo-banner.jpg">
</div>
</body>
</html>

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