<html>
<head>
<title>Rotating 3D Tag Cloud in JavaScript</title>
<style type="text/css">
body{background:#DDD;color:#000;}
a{color:#009;}
a:hover{color:#00F;}
address{font-family:Georgia;font-style:normal;text-align:right;}
#tagcloud{
background:#FFF;
border:1px solid #000;
font:14px Verdana,sans-serif;
height:400px;
overflow:hidden;
position:relative;
width:400px;
}
#tagcloud ul,#tagcloud li{
list-style:none;
margin:0;
padding:0;
}
#tagcloud a{
color:#000;
left:50%;
line-height:1.2em;
margin:-0.6em 0 0 0;
padding:0 0.2em;
position:absolute;
text-align:center;
text-decoration:none;
top:50%;
}
#tagcloud a:hover{
background:#FFF;
border:1px solid #00F;
z-index:1000 !important;
}
</style>
</head>
<body>
<h1>Rotating 3D Tag Cloud in JavaScript</h1>
<div id="tagcloud" onmousemove="stepping = (event.clientY - container.offsetTop) / container.offsetHeight * 0.2 - 0.1;">
<ul>
<li><a href="#">ajax</a></li>
<li><a href="#">bücher</a></li>
<li><a href="#">barcamp</a></li>
<li><a href="#">barrierefrei</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="#">ie</a></li>
<li><a href="#">interview</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="#">xhtml</a></li>
</ul>
</div>
<script type="text/javascript">
var a = 0, b = 0, e;
var offA = 0, stepping = 0.01;
var container = document.getElementById("tagcloud");
window.onload = function()
{
e = container.getElementsByTagName("A");
for (var i = e.length - 1; i >= 0; i--)
{
e[i].tcAngle = i * Math.PI * 2 / e.length;
}
setInterval(function()
{
for (var i = e.length - 1; i >= 0; i--)
{
var angle = e[i].tcAngle + offA;
x = 50 + Math.sin(angle) * 20;
y = 50 + Math.cos(angle) * 40;
tcSize = Math.round(20 - Math.sin(angle) * 10);
e[i].style.fontSize = tcSize + "px";
e[i].style.zIndex = tcSize;
e[i].style.left = (container.offsetWidth * x / 100 - e[i].offsetWidth / 2) + "px";
e[i].style.top = y + "%";
}
offA += stepping;
}, 17);
}
</script>
<address>© <a href="http://www.danphp.com/">Dinesh Kumar</a>,
</body>
</html>
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