By Fox Snower

更新日期:

文章目录
  1. 1. 星空极速飞入效果

星空极速飞入效果

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<html>
<head>
    <title>星空极速飞入效果</title>
    <style type="text/css">
        <!--
        body {
            background-color: #000066;
            overflow:hidden;
        }
        -->
    </style>
</head>
<body>
<script language="JavaScript">
    xL=8;
    xH=xW=xR=xE=xMY=xMX=xWd=xHd=0;
    xF=new Array();
    xY=new Array();
    xX=new Array();
    xS=new Array();
    xA=new Array();
    xB=new Array();
    ini=new Array();
    document.write('<div id="sdiv" style="position:absolute;top:0px;left:0px"><div style="position:relative">');
    for (i=0; i < xL; i++){
        document.write('<div id="div" style="position:absolute;top:0;left:0;width:5px;height:5px;'+'font-size:10px;color:#ffffff">.</div>');
    }
    document.write('</div></div>');
    function Set(){
        for (i=0; i < xL; i++){
            transfer(i)
            xF[i]=xW/14;
        }
    }
    function Assign(){
        sdiv.style.top=document.body.scrollTop;
        for (i=0; i < xL; i++){
            xF[i]-=xS[i]*25;
            if (xF[i] < 4) xF[i]=3;
            div[i].style.top =xY[i];
            div[i].style.left=xX[i];
            div[i].style.fontSize=xF[i];
        }
    }
    function fly(){
        xMY=window.document.body.clientHeight/2;
        xMX=window.document.body.clientWidth/2;
        xWd=Math.round(Math.random()*40+5);
        xHd=Math.round(Math.random()*30+5);
        for (i=0; i < xL; i++){
            xY[i]=xA[i]+=(xMY-xA[i])*(xS[i]);
            xX[i]=xB[i]+=(xMX-xB[i])*(xS[i]);
            if ((xX[i] > xMX-xWd) && (xX[i] < xMX+xWd) && (xY[i] > xMY-xHd) && (xY[i] < xMY+xHd)){
                transfer(i)
            }
            if ((xX[i]<0)||(xX[i]>xW)||(xY[i]<0)||(xY[i]>xH)){
                xF[i]=xW/14;
            }
        }
        Assign();
        setTimeout('fly()',1);
    }
    function transfer(i){
        xH=window.document.body.offsetHeight;
        xW=window.document.body.offsetWidth;
        xA[i]=Math.round(Math.random()*xH);
        xB[i]=Math.round(Math.random()*xW);
        xS[i]=Math.random()*0.05+0.05;
        xR=Math.round(Math.random()*3);
        xE=Math.round(Math.random()*50+50);
        if (xR == 3) xB[i]=-xE;
        if (xR == 2) xB[i]=xW+xE;
        if (xR == 1) xA[i]=-xE;
        if (xR == 0) xA[i]=xH;
    }
    Set();
    fly();
</script>
</body>
</html>