WP-Cumulus插件

链接：
Q&A:WP-Cumulus插件js版代码实现
<!DOCTYPE html>  
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
  
<title>标签</title>  
<!-- <script src="./jquery-latest.js"></script> -->  
<style>  
body {  
    background-color: white;  
}  
  
#cloudTags {  
    position: relative;  
    width: 240px;  
    height: 450px;  
    margin: 20px auto 0;  
}  
  
#cloudTags a {  
    position: absolute;  
    top: 0px;  
    left: 0px;  
    font-family: Microsoft YaHei;  
    color: #fff;  
    font-weight: bold;  
    text-decoration: none;  
    padding: 3px 6px;  
}  
  
#cloudTags a:hover {  
    border: 1px solid #eee;  
    background: #000;  
}  
  
#cloudTags .blue {  
    color: blue;  
}  
  
#cloudTags .red {  
    color: red;  
}  
  
#cloudTags .yellow {  
    color: yellow;  
}  
  
/*p {  
    font: 16px Microsoft YaHei;  
    text-align: center;  
    color: #ba0c0c;  
}  
  
p a {  
    font-size: 14px;  
    color: #ba0c0c;  
}  
  
p a:hover {  
    color: red;  
} */ 
</style>  
</head>  
  
  
<script>  
var radius = 100;  
var dtr = Math.PI/180;  
var d=200;  
var mcList = [];  
var active = false;  
var lasta = 1;  
var lastb = 1;  
var distr = true;  
var tspeed=10;  
var size=200;  
var mouseX=0;  
var mouseY=0;  
var howElliptical=1;  
var aA=null;  
var oDiv=null;  
window.onload=function ()  
{  
var i=0;  
var oTag=null;  
oDiv=document.getElementById('cloudTags');  
aA=oDiv.getElementsByTagName('a');  
for(i=0;i<aA.length;i++)  
{  
oTag={};  
oTag.offsetWidth=aA[i].offsetWidth;  
oTag.offsetHeight=aA[i].offsetHeight;  
mcList.push(oTag);  
}  
sineCosine( 0,0,0 );  
positionAll();  
oDiv.onmouseover=function ()  
{  
active=true;  
};  
oDiv.onmouseout=function ()  
{  
active=false;  
};  
oDiv.onmousemove=function (ev)  
{  
var oEvent=window.event || ev;  
mouseX=oEvent.clientX-(oDiv.offsetLeft+oDiv.offsetWidth/2);  
mouseY=oEvent.clientY-(oDiv.offsetTop+oDiv.offsetHeight/2);  
mouseX/=5;  
mouseY/=5;  
};  
setInterval(update, 30);  
};  
function update()  
{  
var a;  
var b;  
if(active)  
{  
a = (-Math.min( Math.max( -mouseY, -size ), size ) / radius ) * tspeed;  
b = (Math.min( Math.max( -mouseX, -size ), size ) / radius ) * tspeed;  
}  
else  
{  
a = lasta * 0.98;  
b = lastb * 0.98;  
}  
lasta=a;  
lastb=b;  
if(Math.abs(a)<=0.01 && Math.abs(b)<=0.01)  
{  
return;  
}  
var c=0;  
sineCosine(a,b,c);  
for(var j=0;j<mcList.length;j++)  
{  
var rx1=mcList[j].cx;  
var ry1=mcList[j].cy*ca+mcList[j].cz*(-sa);  
var rz1=mcList[j].cy*sa+mcList[j].cz*ca;  
var rx2=rx1*cb+rz1*sb;  
var ry2=ry1;  
var rz2=rx1*(-sb)+rz1*cb;  
var rx3=rx2*cc+ry2*(-sc);  
var ry3=rx2*sc+ry2*cc;  
var rz3=rz2;  
mcList[j].cx=rx3;  
mcList[j].cy=ry3;  
mcList[j].cz=rz3;  
per=d/(d+rz3);  
mcList[j].x=(howElliptical*rx3*per)-(howElliptical*2);  
mcList[j].y=ry3*per;  
mcList[j].scale=per;  
mcList[j].alpha=per;  
mcList[j].alpha=(mcList[j].alpha-0.6)*(10/6);  
}  
    doPosition();  
    depthSort();  
}  
function depthSort()  
{  
    var i=0;  
    var aTmp=[];  
    for(i=0;i<aA.length;i++)  
    {  
        aTmp.push(aA[i]);  
    }  
    aTmp.sort(function (vItem1, vItem2){  
        if(vItem1.cz>vItem2.cz)  
        {  
            return -1;  
        }  
        else if(vItem1.cz<vItem2.cz)  
        {  
            return 1;  
        }  
        else  
        {  
            return 0;  
        }  
    });  
for(i=0;i<aTmp.length;i++)  
{  
    aTmp[i].style.zIndex=i;  
}  
}  
function positionAll(){  
var phi=0;  
var theta=0;  
var max=mcList.length;  
var i=0;  
var aTmp=[];  
var oFragment=document.createDocumentFragment();  
//随机排序  
for(i=0;i<aA.length;i++)  
{  
    aTmp.push(aA[i]);  
}  
aTmp.sort(function (){  
    return Math.random()<0.5?1:-1;  
}  
);  
for(i=0;i<aTmp.length;i++)  
{  
    oFragment.appendChild(aTmp[i]);  
}  
oDiv.appendChild(oFragment);  
for( var i=1; i<max+1; i++){  
    if( distr )  
    {  
        phi = Math.acos(-1+(2*i-1)/max);  
        theta = Math.sqrt(max*Math.PI)*phi;  
    }  
    else  
    {  
        phi = Math.random()*(Math.PI);  
        theta = Math.random()*(2*Math.PI);  
    }  
    //坐标变换  
    mcList[i-1].cx = radius * Math.cos(theta)*Math.sin(phi);  
    mcList[i-1].cy = radius * Math.sin(theta)*Math.sin(phi);  
    mcList[i-1].cz = radius * Math.cos(phi);  
    aA[i-1].style.left=mcList[i-1].cx+oDiv.offsetWidth/2-mcList[i-1].offsetWidth/2+'px';  
    aA[i-1].style.top=mcList[i-1].cy+oDiv.offsetHeight/2-mcList[i-1].offsetHeight/2+'px';  
    }  
}  
function doPosition()  
{  
    var l=oDiv.offsetWidth/2;  
    var t=oDiv.offsetHeight/2;  
    for(var i=0;i<mcList.length;i++)  
    {  
        aA[i].style.left=mcList[i].cx+l-mcList[i].offsetWidth/2+'px';  
        aA[i].style.top=mcList[i].cy+t-mcList[i].offsetHeight/2+'px';  
        aA[i].style.fontSize=Math.ceil(12*mcList[i].scale/2)+8+'px';  
        aA[i].style.filter="alpha(opacity="+100*mcList[i].alpha+")";  
        aA[i].style.opacity=mcList[i].alpha;  
    }  
}  
function sineCosine( a, b, c)  
{  
    sa = Math.sin(a * dtr);  
    ca = Math.cos(a * dtr);  
    sb = Math.sin(b * dtr);  
    cb = Math.cos(b * dtr);  
    sc = Math.sin(c * dtr);  
    cc = Math.cos(c * dtr);  
}  
</script>  
<body>  
    <div id="cloudTags">  
        <a href="http://www.google.com">jquery特效</a>   
        <a href="http://www.google.com" class="red">网页特效</a>   
        <a href="http://www.google.com">网页欣赏</a>   
        <a href="http://www.google.com"class="red">导航菜单</a>   
        <a href="http://www.google.com" class="blue">w3c</a>  
        <a href="http://www.google.com" class="red">网页特效</a>   
        <a href="http://www.google.com" class="yellow">JavaScript</a>   
        <a href="http://www.google.com">jquery</a>   
        <a href="http://www.google.com" class="red">CSS</a>  
        <a href="http://www.google.com">jquery特效</a>   
        <a href="http://www.google.com">jquery特效</a>   
        <a href="http://www.google.com" class="blue">CSS技巧</a>  
        <a href="http://www.google.com">焦点幻灯片</a>   
        <a href="http://www.google.com" class="blue">导航菜单</a>  
        <a href="http://www.google.com">jquery</a>   
        <a href="http://www.google.com" class="blue">w3c</a>   
        <a href="http://www.google.com" class="yellow">网页特效</a>   
        <a href="http://www.google.com" class="blue">懒人建站</a>  
    </div>  
</body>  
</html>
WP-Cumulus插件js版代码实现
Q&A:使用jquery-latest.js实现的3D标签云的js源码
1、使用jquery-latest.js实现的3D标签云的js源码下载地址
2、jquery-latest.js
3、wp-cumulus.zip
实现效果如下：
END
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原文地址：https://www.cnblogs.com/On1Key/p/6054542.html