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非常漂亮js动态球型云标签特效代码
<%@ page contentType="text/html;charset=UTF-8" language="java" import="java.util.*" pageEncoding="UTF-8" %> <!DOCTYPE html><html> <head> <meta charset="utf-8"> <base target="_blank"> <title>tags</title> </head> <body> <div id="tagsList" style="height: 400px; width:800px; border:1px solid #ccc;padding:10px;"> <span><a href="http://www.111cn.net">快递查询</a></span> <span><a href="http://www.111cn.net">火车票查询</a></span> <span><a href="http://www.111cn.net">机票</a></span> <span><a href="http://www.111cn.net">手机号</a></span> <span><a href="http://www.111cn.net">公交查询</a></span> <span><a href="http://www.111cn.net">身份证</a></span> <span><a href="http://www.111cn.net">天气预报</a></span> <span><a href="http://www.111cn.net">在线翻译</a></span> <span><a href="http://www.111cn.net">交通违章</a></span> <span><a href="http://www.111cn.net">IP地址</a></span> <span><a href="http://www.111cn.net">万年历</a></span> <span><a href="http://www.111cn.net">周公解梦</a></span> <span><a href="http://www.111cn.net">网页QQ</a></span> <span><a href="http://www.111cn.net">百度输入法</a></span> <span><a href="http://www.111cn.net">千千静听</a></span> <span><a href="http://www.111cn.net">魔兽世界</a></span> <span><a href="http://www.111cn.net">梦幻西游</a></span> <span><a href="http://www.111cn.net">洛克王国</a></span> <span><a href="http://www.111cn.net">DNF</a></span> <span><a href="http://www.111cn.net">DOTA</a></span> <span><a href="http://www.111cn.net">CF</a></span> <span><a href="http://www.111cn.net">单机游戏</a></span> <span><a href="http://www.111cn.net">小游戏</a></span> <span><a href="http://www.111cn.net">QQ飞车</a></span> <span><a href="http://www.111cn.net">植物大战僵尸</a></span> <span><a href="http://www.111cn.net">连连看</a></span> <span><a href="http://www.111cn.net">斗地主</a></span> <span><a href="http://www.111cn.net">合金弹头</a></span> <span><a href="http://www.111cn.net">保卫萝卜</a></span> <span><a href="http://www.111cn.net">玫瑰小镇</a></span> </div> </body></html> <style>body{background:#ffffff; padding:0;}#tagsList {position:relative; width:600px; height:600px; margin: -50px auto; background:#ffffff;}#tagsList a {position:absolute; top:0px; left:0px; font-family: Microsoft YaHei; color:#b27f3f; font-weight:bold; text-decoration:none; padding: 3px 6px; }#tagsList a:hover { color:#FF0000; letter-spacing:2px;}</style> <script>;(function(){var radius = 120;var dtr = Math.PI/180;var d=300;var mcList = [];var active = false;var lasta = 1;var lastb = 1;var distr = true;var tspeed=10;var size=250;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(‘tagsList‘); 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></td> </tr> </table>效果图：
非常漂亮js动态球型云标签特效代码
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