09/10/2018, 18:13
làm sao tuyết rơi từ dưới lên????
Mấy huynh cho đệ hỏi có Code nào làm hình "rơi" trên màn hình không ???
Rơi lên hay xuống gì cũng được
Rơi lên hay xuống gì cũng được
Bài liên quan
<script language="javascript1.2">
function disableselect(e){
return false
}
function reEnable(){
return true
}
//if IE4
document.onselectstart=new Function ("return false")
//if NS6
if (window.sidebar){
document.onmousedown=disableselect;
document.onclick=reEnable;
}
</script>
<SCRIPT language=JavaScript>
SmallStars = 30;
LargeStars = 20;
SmallYpos = new Array();
SmallXpos = new Array();
LargeYpos = new Array();
LargeXpos = new Array();
Smallspeed= new Array();
Largespeed= new Array();
ns=(document.layers)?1:0;
if (ns){
for (i = 0; i < SmallStars; i++)
{document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0 BGCOLOR='#FFFFF0' CLIP='0,0,1,1'></LAYER>")}
for (i = 0; i < LargeStars; i++)
{document.write("<LAYER NAME='ln"+i+"' LEFT=0 TOP=0 BGCOLOR='#FFFFFF' CLIP='0,0,2,2'></LAYER>")}
}
else{
document.write('<div style="position:absolute;top:0px;left:0px">');
document.write('<div style="position:relative">');
for (i = 0; i < SmallStars; i++)
{document.write('<div id="si" style="position:absolute;top:0;left:0;width:1px;he ight:1px;background:#fffff0;font-size:1px"></div>')}
document.write('</div>');
document.write('</div>');
document.write('<div style="position:absolute;top:0px;left:0px">');
document.write('<div style="position:relative">');
for (i = 0; i < LargeStars; i++)
{document.write('<div id="li" style="position:absolute;top:0;left:0;width:2px;he ight:2px;background:#ffffff;font-size:2px"></div>')}
document.write('</div>');
document.write('</div>');
}
WinHeight=(document.layers)?window.innerHeight:win dow.document.body.clientHeight;
WinWidth=(document.layers)?window.innerWidth:windo w.document.body.clientWidth;
//Inital placement!
for (i=0; i < SmallStars; i++)
{
SmallYpos[i] = Math.round(Math.random()*WinHeight);
SmallXpos[i] = Math.round(Math.random()*WinWidth);
Smallspeed[i]= Math.random()*5+1;
}
for (i=0; i < LargeStars; i++)
{
LargeYpos[i] = Math.round(Math.random()*WinHeight);
LargeXpos[i] = Math.round(Math.random()*WinWidth);
Largespeed[i]= Math.random()*10+5;
}
function fly(){
var WinHeight=(document.layers)?window.innerHeight:win dow.document.body.clientHeight;
var WinWidth=(document.layers)?window.innerWidth:windo w.document.body.clientWidth;
var hscrll=(document.layers)?window.pageYOffset:docume nt.body.scrollTop;
var wscrll=(document.layers)?window.pageXOffset:docume nt.body.scrollLeft;
for (i=0; i < LargeStars; i++)
{
LargeXpos[i]-=Largespeed[i];
if (LargeXpos[i] < -10)
{
LargeXpos[i]=WinWidth;
LargeYpos[i]=Math.round(Math.random()*WinHeight);
Largespeed[i]=Math.random()*10+5;
}
if (ns){
document.layers['ln'+i].left=LargeXpos[i];
document.layers['ln'+i].top=LargeYpos[i]+hscrll;
}
else{
li[i].style.pixelLeft=LargeXpos[i];
li[i].style.pixelTop=LargeYpos[i]+hscrll;
}
}
for (i=0; i < SmallStars; i++)
{
SmallXpos[i]-=Smallspeed[i];
if (SmallXpos[i] < -10)
{
SmallXpos[i]=WinWidth;
SmallYpos[i]=Math.round(Math.random()*WinHeight);
Smallspeed[i]=Math.random()*5+1;
}
if (ns){
document.layers['sn'+i].left=SmallXpos[i];
document.layers['sn'+i].top=SmallYpos[i]+hscrll;
}
else{
si[i].style.pixelLeft=SmallXpos[i];
si[i].style.pixelTop=SmallYpos[i]+hscrll;
}
}
setTimeout('fly()',1);
}
</SCRIPT>
</br>
</br>
</br></br></br>
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<param name="movie" value="../flash/designer1.swf" tppabs="../flash/designer1.swf">
<param name="quality" value="Low">
<embed src="flash/0429intro.swf" tppabs="http://namvanet.homeip.net/flash/0429intro.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" name="obj1" width="780" height="212" quality="Low"></object>
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