js实现文字围绕鼠标转动特效

2016-12-14 网页编程网 网页编程网

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>围绕鼠标转动的文字</title>
<style>

</style>
</head>
<script language="JavaScript">
yourLogo='你是一只狗吗,are you a dog';
logoFont='Arial';
logoSize=9;
logoColor='red';
logoWidth=40;
logoHeight=40;
logoSpeed=0.03;

//Nothing needs altering below!
yourLogo=yourLogo.split('');
L=yourLogo.length;
Result="<font face="+logoFont+" style='font-size:"+logoSize+"pt' color="+logoColor+">";
TrigSplit=360/L;
br=(document.layers)?1:0;
if (br){
for (i=0; i < L; i++)
document.write('<layer name="ns'+i+'" top=0 left=0 width=14 height=14">'+Result+yourLogo[i]+'</font></layer>');
}
else{
document.write('<div id="outer" style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i=0; i < L; i++)
document.write('<div id="ie" style="position:absolute;top:0px;left:0px;width:14px;height:14px">'+Result+yourLogo[i]+'</font></div>');
document.write('</div></div>');
}
ypos=0;
xpos=0;
step=logoSpeed;
currStep=0;
Y=new Array();
X=new Array();
Yn=new Array();
Xn=new Array();
for (i=0; i < L; i++){
 Yn[i]=0;
 Xn[i]=0;
 }
(document.layers)?window.captureEvents(Event.MOUSEMOVE):0;
function Mouse(evnt){
 ypos = (document.layers)?evnt.pageY:event.y;
 xpos = (document.layers)?evnt.pageX:event.x;
}
(document.layers)?window.onMouseMove=Mouse:document.onmousemove=Mouse;
function animateLogo(){
if (!br)outer.style.pixelTop=document.body.scrollTop;
for (i=0; i < L; i++){
var layer=(document.layers)?document.layers['ns'+i]:ie[i].style;
layer.top =Y[i]+logoHeight*Math.sin(currStep+i*TrigSplit*Math.PI/180);
layer.left=X[i]+logoWidth*Math.cos(currStep+i*TrigSplit*Math.PI/180);
}
currStep-=step;
}
function Delay(){
for (i=L; i >= 0; i--)
{
Y[i]=Yn[i]+=(ypos-Yn[i])*(0.1+i/L);
X[i]=Xn[i]+=(xpos-Xn[i])*(0.1+i/L);
}
animateLogo();
setTimeout('Delay()',20);
}
window.onload=Delay;
// -->
</script>
<body>
</body>
</html>

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