3d Tag cloud 小控件代码
进入Silencer博客发现了一个有意思的控件3d Tag cloud，就去网上查了关于这个控件的安装信息和代码，现在贴出来一起看看：
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Strict//EN”
“http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd“>
<html>
<head>
<meta http-equiv=”Content-type” content=”text/html; charset=utf-8″ />
<title>jQuery 3D</title>
<style type=”text/css” media=”screen”>
body{
font-family: Arial, “MS Trebuchet”, sans-serif;
background-color: #111;
}
#list{
margin:0 auto;
height:600px;
width:600px;
overflow:hidden;
position:relative;
background-color: #000;
}
#list ul,
#list li{
list-style:none;
margin:0;
padding:0;
}
#list a{
position:absolute;
text-decoration: none;
color:#666;
}
#list a:hover{
color:#ccc;
}
</style>
<script src=”http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js” type=”text/javascript” charset=”utf-8″></script>
</head>
<body>
<div id=”list”>
<ul>
<li><a href=”#”>ajax</a></li>
<li><a href=”#”>css</a></li>
<li><a href=”#”>design</a></li>
<li><a href=”#”>firefox</a></li>
<li><a href=”#”>flash</a></li>
<li><a href=”#”>html</a></li>
<li><a href=”#”>Devirtuoso</a></li>
<li><a href=”#”>jquery</a></li>
<li><a href=”#”>PHP</a></li>
<li><a href=”#”>SEO</a></li>
<li><a href=”#”>usability</a></li>
<li><a href=”#”>www</a></li>
<li><a href=”#”>web</a></li>
<li><a href=”#”>xhtml</a></li>
</ul>
</div>
<script type=”text/javascript”>
$(document).ready(function(){
var element = $(‘#list a’);
var offset = 0;
var stepping = 0.03;
var list = $(‘#list’);
var $list = $(list)
$list.mousemove(function(e){
var topOfList = $list.eq(0).offset().top
var listHeight = $list.height()
stepping = (e.clientY – topOfList) / listHeight * 0.2 – 0.1;
});
for (var i = element.length – 1; i >= 0; i–)
{
element[i].elemAngle = i * Math.PI * 2 / element.length;
}
setInterval(render, 20);
function render(){
for (var i = element.length – 1; i >= 0; i–){
var angle = element[i].elemAngle + offset;
x = 120 + Math.sin(angle) * 30;
y = 45 + Math.cos(angle) * 40;
size = Math.round(40 – Math.sin(angle) * 40);
var elementCenter = $(element[i]).width() / 2;
var leftValue = (($list.width()/2) * x / 100 – elementCenter) + “px”
$(element[i]).css(“fontSize”, size + “pt”);
$(element[i]).css(“opacity”,size/100);
$(element[i]).css(“zIndex” ,size);
$(element[i]).css(“left” ,leftValue);
$(element[i]).css(“top”, y + “%”);
}
offset += stepping;
}
});
</script>
</body>
</html>
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