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View Full Version : how to have the aeroplane going from the right to the left instead of the original



zhangdong
12-04-2004, 09:44 AM
this is the code and the link is as followed.
script: flying image
http://www.dynamicdrive.com/dynamicindex4/xoomimage.htm :o
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>

<body onload="Ypick()">

<script language="VBScript">
on error resume next
if parent.navButtonStatus <> 3 then
if err.number <> 0 then
call parent.ThereIsAnError
end if
end if
</script>
<script language="JavaScript">

/*
Flying Image Script-
By Dylan Coldblatt (codeboy14@yahoo.com)
Submitted to Dynamicdrive.com for featuring in it's archive

*/

var yend;
var ystart;
var ydiff;
var xincrement;
var yincrement;
var screenwidth;
var screenheight;

function Ypick(){

if (!document.all)
return
screenwidth = screensize.offsetWidth;
screenheight = screensize.offsetHeight;
xincrement = (screenwidth/10);
ystart = Math.round(Math.random()*(screenheight-92));
yend = Math.round(Math.random()*(screenheight-92));
document.all.ball.style.top=ystart;
document.all.ball.style.left=+960;
if (ystart > yend){
ydiff = (ystart-yend);
yincrement = (ydiff/xincrement);
Moveneg();
}
else {
ydiff = (yend-ystart);
yincrement = (ydiff/xincrement);
Movepos();
}
}
function Moveneg(){
if (screenwidth > parseInt(document.all.ball.style.left)) {
with (document.all.ball) {
style.left = parseInt(style.pixelLeft - 10);
style.top = parseInt(style.pixelTop - yincrement);
}
setTimeout('Moveneg()',20);
}
else {
with (document.all.ball) {
style.left = parseInt(style.pixelLeft -screenwidth);
style.top = parseInt(style.pixelTop - yend);
}
Ypick();
}
}
function Movepos(){
if (screenwidth < parseInt(document.all.ball.style.left)) {
with (document.all.ball) {
style.left = parseInt(style.pixelLeft - 10);
style.top = parseInt(style.pixelTop + yincrement);
}
setTimeout('Movepos()',20);
}
else {
with (document.all.ball) {
style.left = parseInt(style.pixelLeft - screenwidth);
style.top = parseInt(style.pixelTop - yend);
}
Ypick();
}
}
</script>
<div id="screensize" style="position: absolute; top: 0; left: 0; height: 100%; width: 100%"></div>
<p><img id="ball" SRC="http://dynamicdrive.com/plane.gif" style="container:in-flow;position:relative;left:=+100;top:0;visibility:show">
</body>
</html>