|
期末的作业,老师要求上网下特效自己注解,我注了两个,这是第三个了,实在觉得有够复杂,大概似乎都看得懂些,详细的就完蛋了!!!
请求高手帮帮忙吧```我一新手,刚注册也不大熟那边,只是真的急求各位帮忙了!!谢谢大家了!!!
<script language="JavaScript"> //第三个特效:环绕着鼠标飞的鸟
<!--
var images='1.jpg'; //定义使用的图片
var amount=8; //定义8个环绕于鼠标周围的飞鸟
var yBase = 150; //定义图片的大小
var xBase = 200;
var step = 0.2; //定义飞行速度
var currStep = 0;
var Xpos = 5;
var Ypos = 5;
var i = 0;
var j = 0;
if(document.all){
document.write('<div id="ieDiv" style="position:absolute;top:0px;left:0px">')
document.write('<div id="c" style="position:relative">');
for (n=0; n < amount; n++)
document.write('<img src="'+images+'" style="position:absolute;top:0px;left:0px">')
document.write('</div>')
document.write('</div>')
function MsieMouseFollow(){
Xpos = document.body.scrollLeft+event.x-5; //设定横坐标
Ypos = document.body.scrollTop+event.y-5; //设定纵坐标
}
document.onmousemove = MsieMouseFollow; //绑定鼠标移动这一事件
}
else if (document.layers){
window.captureEvents(Event.MOUSEMOVE);
for (ns=0; ns < amount; ns++)
document.write("<LAYER NAME='n"+ns+"' LEFT=0 TOP=0><IMG SRC='"+images+"'></LAYER>");
function NsMouseFollow(evnt){
Xpos = evnt.pageX-5;
Ypos = evnt.pageY-5;
}
window.onMouseMove = NsMouseFollow;
}
function Swirl(){
if (document.all){
yBase = window.document.body.offsetHeight/4;
xBase = window.document.body.offsetWidth/4;
}
else if (document.layers){
yBase = window.innerHeight/4;
xBase = window.innerWidth/4;
}
if (document.all){
for (i=0;i<ieDiv.all.c.all.length;i++){
ieDiv.all.c.all[i].style.top = Ypos + Math.cos((20*Math.sin(currStep/20))+i*70)*yBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + i*25)/10);
ieDiv.all.c.all[i].style.left = Xpos + Math.sin((20*Math.sin(currStep/20))+i*70)*xBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + i*25)/10);
}
}
else if (document.layers){
for ( j = 0 ; j < ns ; j++ ) //7 is number of NS layers!{
var temp="n"+j
document.layers[temp].top = Ypos + Math.cos((20*Math.sin(currStep/20))+j*70)*yBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + j*25)/10);
document.layers[temp].left =Xpos + Math.sin((20*Math.sin(currStep/20))+j*70)*xBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + j*25)/10);
}
}
currStep += step;
setTimeout("Swirl()", 10);
}
Swirl();
</script> |
|