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JS关键字球状旋转效果的实例代码

2019年8月1日 - 金沙前端

    positionAll();

    for(i=0;i<aTmp.length;i++)
    {
        oFragment.appendChild(aTmp[i]);
    }

CSS:

        var rx3=rx2*cc+ry2*(-sc);
        var ry3=rx2*sc+ry2*cc;
        var rz3=rz2;

    if(Math.abs(a)<=0.01 && Math.abs(b)<=0.01)
    {
        return;
    }

        var colors =
[“#FF60AF”,”#9F35FF”,”#FF2D2D”,”#6C6C6C”,”#003D79″,”#00AEAE”,”#019858″];
        var rand = Math.ceil(Math.random()*6);
        aA[i].style.color=colors[rand];

    aTmp.sort
    (
        function (vItem1, vItem2)
        {
            if(vItem1.cz>vItem2.cz)
            {
                return -1;
            }
            else if(vItem1.cz<vItem2.cz)
            {
                return 1;
            }
            else
            {
                return 0;
            }
        }
    );

window.onload=function ()
{
    var i=0;
    var oTag=null;

        mouseX=oEvent.clientX-(oDiv.offsetLeft+oDiv.offsetWidth/2);
        mouseY=oEvent.clientY-(oDiv.offsetTop+oDiv.offsetHeight/2);

function depthSort()
{
    var i=0;
    var aTmp=[];

    doPosition();
    depthSort();
}

    for(i=0;i<aTmp.length;i++)
    {
        aTmp[i].style.zIndex=i;
    }
}

复制代码 代码如下:

复制代码 代码如下:

var howElliptical=1;

var mcList = [];
var active = false;
var lasta = 1;
var lastb = 1;
var distr = true;
var tspeed=2;
var size=250;

    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);

var colors =
[“#FF60AF”,”#9F35FF”,”#FF2D2D”,”#6C6C6C”,”#003D79″,”#00AEAE”,”#019858″];
         var rand = Math.ceil(Math.random()*6);
         aA[i].style.color=colors[rand];

        mcList.push(oTag);
    }

       
aA[i].style.filter=”alpha(opacity=”+100*mcList[i].alpha+”)”;
        aA[i].style.opacity=mcList[i].alpha;
    }
}

        mcList[j].alpha=(mcList[j].alpha-0.6)*(10/6);
    }

    aA=oDiv.getElementsByTagName(‘a’);

    lasta=a;
    lastb=b;

    oDiv.onmouseout=function ()
    {
        active=false;
    };

你大概感兴趣的篇章:

var radius = 100;
var dtr = Math.PI/180;
var d=300;

JS:

       
aA[i].style.fontSize=Math.ceil(12*mcList[i].scale/2)+8+’px’;

        mcList[j].cx=rx3;
        mcList[j].cy=ry3;
        mcList[j].cz=rz3;

    oDiv.appendChild(oFragment);

       
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’;
    }
}

        oTag={};

    var aTmp=[];
    var oFragment=document.createDocumentFragment();

        var rx2=rx1*cb+rz1*sb;
        var ry2=ry1;
        var rz2=rx1*(-sb)+rz1*cb;

    //随机排序
    for(i=0;i<aA.length;i++)
    {
        aTmp.push(aA[i]);
    }

 #div1{height:400px;width:450px; position:relative; margin:10px
auto;}
 #div1
a{position:absolute;top:0px;left:0px;font-weight:bold;padding:3px 6px;
color:black; text-decoration: none;}
 #div1 a:hover{border:1px solid
#eee;background:#ccc;border-radius:5px;}

function update()
{
    var a;
    var b;

    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;

    oDiv=document.getElementById(‘div1’);

    oDiv.onmouseover=function ()
    {
        active=true;
    };

<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN”
“;
<html xmlns=”;
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″
/>
<title></title>
<link rel=”stylesheet” href=”css/style.css” />
<script type=”text/javascript” src=”js/lrtk.js”></script>
</head>
<body>
<!– 代码初始 –>
<div id=”div1″>
<a >Asp.net webform</a>
<a >Asp.net mvc</a>
<a >EF</a>
<a >Castle</a>
<a >Spring.net</a>
<a >NHibernate</a>
<a >WCF</a>
<a >WPF</a>
<a >AOP</a>
<a >IoC</a>
<a >SQL</a>
<a >Javascript</a>
<a >Jquery</a>
<a >KendoUI</a>
</div>
</body>
</html>

var mouseX=0;
var mouseY=0;

既是是非同一般字,小编以为给他俩加上分歧的水彩才够酷。起头化四个数组寄存颜色值,然后再随便分配给各种标签。

function positionAll()
{
    var phi=0;
    var theta=0;
    var max=mcList.length;
    var i=0;

    for(i=0;i<aA.length;i++)
    {

    setInterval(update, 10);
};

        oTag.offsetWidth=aA[i].offsetWidth;
        oTag.offsetHeight=aA[i].offsetHeight;

突发性上网查资料,看到人家的博客上有关键字旋转的功用,以为蛮不错的。于是网络寻找了瞬间它的兑现,好呢,本人入手写写。

var aA=null;
var oDiv=null;

图片 1

    for(i=0;i<aA.length;i++)
    {
        aTmp.push(aA[i]);
    }

        per=d/(d+rz3);

HTML:

    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;
    }

复制代码 代码如下:

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’;

复制代码 代码如下:

        mouseX/=5;
        mouseY/=5;
    };

最终看下效果:

    aTmp.sort
    (
        function ()
        {
            return Math.random()<0.5?1:-1;
        }
    );

        mcList[j].x=(howElliptical*rx3*per)-(howElliptical*2);
        mcList[j].y=ry3*per;
        mcList[j].scale=per;
        mcList[j].alpha=per;

    oDiv.onmousemove=function (ev)
    {
        var oEvent=window.event || ev;

    sineCosine( 0,0,0 );

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);
}

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