跟随鼠标的魔法文字JS代码

2012-10-23 来源：网络

【实例名称】

跟随鼠标的魔法文字

【实例描述】

鼠标周围可以跟随图片、文字和星星等。本例将提一些类似对联的文字，一直跟随鼠标移动。

【实例代码】

 <SCRIPT language=JavaScript1.2>
var msg='看的见我的漂移吗？';
var msgColor='000000'
var dismissafter=0
var amount=5,ypos=0,xpos=0,Ay=0,Ax=0,By=0,Bx=0,Cy=0,Cx=0,Dy=0,Dx=0,Ey=0,Ex=0;
if (document.layers){   //netscape下
    for (i = 0; i < amount; i++)
    {document.write('<layer name=ns'+i+' top=0 left=0><font face="宋体" 
size=2 color='+msgColor+'>'+msg+'</font></layer>')}
    window.captureEvents(Event.MOUSEMOVE);
    function nsmouse(evnt)    //通过鼠标事件，获取鼠标的坐标
    {xpos = evnt.pageX;ypos = evnt.pageY;mouseFollow()}
}
else if (document.all){ //ie下——输出层
    document.write("<div id='outer' style='position:absolute;top:0px;left:0px'>");
    document.write("<div id='inner' style='position:relative'>");
    for (i = 0; i < amount; i++)
    {document.write('<div id="text"'+i+' style="position:absolute;
top:0px;left:0px;font-family:Courier New;font-size:16px;color:'+msgColor+'">'+msg+'</div>')}
    document.write("</div>");
    document.write("</div>");
    function iemouse()  //通过鼠标事件，获取鼠标的坐标
    {xpos = document.body.scrollTop + event.y;xpos = 
document.body.scrollLeft + event.x;mouseFollow()}
}
function mouseFollow(){
    if (document.layers){//netscape下-设置层的位置
    document.layers["ns0"].top=ay;document.layers["ns0"].left=ax;
    document.layers["ns1"].top=by;document.layers["ns1"].left=bx;
    document.layers["ns2"].top=cy;document.layers["ns2"].left=cx;
    document.layers["ns3"].top=Dy;document.layers["ns3"].left=Dx;
    document.layers["ns4"].top=Ey;document.layers["ns4"].left=Ex;
    }
    else if (document.all){//ie下，设置层的位置
    outer.all.inner.all[0].style.pixelTop=
ay;outer.all.inner.all[0].style.pixelLeft=ax;
    outer.all.inner.all[1].style.pixelTop=
by;outer.all.inner.all[1].style.pixelLeft=bx;
    outer.all.inner.all[2].style.pixelTop=
cy;outer.all.inner.all[2].style.pixelLeft=cx;
    outer.all.inner.all[3].style.pixelTop=
Dy;outer.all.inner.all[3].style.pixelLeft=Dx;
    outer.all.inner.all[4].style.pixelTop=
Ey;outer.all.inner.all[4].style.pixelLeft=Ex;
}
}
function move(){
    if (dismissafter!=0)
    setTimeout("hideMove()",dismissafter*1000)
    if (document.layers){window.onMouseMove = nsmouse}
    else if (document.all){window.document.onmousemove = iemouse}  
//绑定鼠标事件
    ey = Math.round(Ey+=((ypos+20)-Ey)*2/2);ex = 
Math.round(Ex+=((xpos+20)-Ex)*2/2);
    dy = Math.round(Dy+=(ey - Dy)*2/4);dx = Math.round(Dx+=(ex - Dx)*2/4);
    cy = Math.round(Cy+=(dy - Cy)*2/6);cx = Math.round(Cx+=(dx - Cx)*2/6);
    by = Math.round(By+=(cy - By)*2/8);bx = Math.round(Bx+=(cx - Bx)*2/8);
    ay = Math.round(Ay+= (by - Ay)*2/10);ax = Math.round(Ax+= (bx - Ax)*2/10);
    mouseFollow();
    jumpstart=setTimeout('move()',10);                          
//定时执行捕获操作
}
function hideMove(){
    if (document.all){   //ie浏览器的情况下
        for (i2=0;i2<amount;i2++){
            outer.all.inner.all[i2].style.visibility="hidden" 
//设置为隐藏
            clearTimeout(jumpstart)                           
//清除定时器
            }
    }
    else if (document.layers){   //netscape浏览器的情况下
        for (i2=0;i2<amount;i2++){
            temp="ns"+i2
            document.layers[temp].visibility="hide"
            clearTimeout(jumpstart)
            }
    }
}
window.onload=move;   //窗体一加载便触发飘移方法
</SCRIPT>

【运行效果】

运行效果