js根据鼠标移动速度背景图片自动旋转的方法_javascript技巧

本文实例讲述了js根据鼠标移动速度背景图片自动旋转的方法。分享给大家供大家参考。具体实现方法如下：

');
document.write('');
function FollowMouse(){
Xpos = document.body.scrollLeft+event.x+UpDown;
Ypos = document.body.scrollTop+event.y+LeftRight;
}
document.onmousemove = FollowMouse;
}
else if (document.layers){
window.captureEvents(Event.MOUSEMOVE);
function xFollowMouse(evnt){
Xpos = evnt.pageX+UpDown;
Ypos = evnt.pageY+LeftRight;
}
window.onMouseMove = xFollowMouse;
for (ns=0; ns document.write("");
}
function msi(){
if (document.layers){
for ( i = 0 ; i {
temp="n"+i
document.layers[0].visibility='show';
document.layers[0].top = Ypos+cntr*Math.cos((RunTime+i*4.5)/5);
document.layers[0].left =Xpos+cntr*Math.sin((RunTime+i*4.5)/5);
}
cntr+=1;
RunTime+=speed;
stp=setTimeout('msi()',10);
if (cntr>=100)
{
cntr=100;
speed=2.5;
for ( i = 0 ; i {
temp="n"+i
document.layers[temp].visibility='show';
document.layers[temp].top=Ypos+cntr*Math.cos((RunTime-100)*i/90);
document.layers[temp].left=Xpos+cntr*Math.sin((RunTime-100)*i/90);
}
}
if (RunTime>182)
{
speed=0.5;
for ( i = 0 ; i {
temp="n"+i
document.layers[temp].top=Ypos+xcntr*Math.cos(((RunTime-182)+i*4.5)/5);
document.layers[temp].left=Xpos+xcntr*Math.sin(((RunTime-182)+i*4.5)/5)*Math.cos((RunTime-182)/5);
}
}
}
else if (document.all){
for (i=0;i {
ieDiv.all.c.all[0].style.visibility='visible';
ieDiv.all.c.all[0].style.top=Ypos+cntr*Math.cos((RunTime+i*4.5)/5);
ieDiv.all.c.all[0].style.left=Xpos+cntr*Math.sin((RunTime+i*4.5)/5);
}
cntr+=1;
RunTime+=speed;
stp=setTimeout('msi()',10);
if (cntr>=100)
{
cntr=100;
speed=2.5;
for (i=0;i {
ieDiv.all.c.all[i].style.visibility='visible';
ieDiv.all.c.all[i].style.top=Ypos+cntr*Math.cos((RunTime-100)*i/90);
ieDiv.all.c.all[i].style.left=Xpos+cntr*Math.sin((RunTime-100)*i/90);
}
}
if (RunTime>182)
{
speed=0.5;
for (i=0;i {
ieDiv.all.c.all[i].style.top=Ypos+xcntr*Math.cos(((RunTime-182)+i*4.5)/5);
ieDiv.all.c.all[i].style.left=Xpos+xcntr*Math.sin(((RunTime-182)+i*4.5)/5)*Math.cos((RunTime-182)/5);
}
}
}
if (RunTime>210)
{
xcntr-=10;
}
if (document.layers)
_y=-window.innerWidth-90;
else if (document.all)
_y=-document.body.clientWidth-90;
if (xcntr {
RunTime=0;
speed=1;
cntr=0;
xcntr=100;
}
}
msi()
//-->

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