You can fake in with _xscale/_yscale changes...
var inc = 3;
_root.onEnterFrame = function() {
vStar_Object._x =
(Math.cos((vStar_Object.circlePos/180)*Math.PI))*160+vStar_Object.centerX;
vStar_Object._y =
(Math.sin((vStar_Object.circlePos/180)*Math.PI))*160+vStar_Object.centerY;
vStar_Object.circlePos = vStar_Object.circlePos+vStar_Object.speed;
//
if (vStar_Object.circlePos<180) {
vStar_Object._xscale -= inc;
vStar_Object._yscale = vStar_Object._xscale;
} else {
vStar_Object._xscale += inc;
vStar_Object._yscale = vStar_Object._xscale;
}
if (vStar_Object.circlePos == 360) {
vStar_Object.circlePos = 0;
}
if (vStar_Object._alpha<100) {
vStar_Object._alpha += 1;
}
};
-Andy
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Paul Steven
Sent: Thursday, August 10, 2006 9:06 AM
To: 'Flashcoders mailing list'
Subject: [Flashcoders] Movement in an oval shape
I have written some code to move some stars in a circle.
This is a snippet of the code:
vStar_Object._x = (Math.cos((vStar_Object.circlePos/180)*Math.PI))*160 +
vStar_Object.centerX;
vStar_Object._y =
(Math.sin((vStar_Object.circlePos/180)*Math.PI))*160 + vStar_Object.centerY;
vStar_Object.circlePos =
vStar_Object.circlePos + vStar_Object.speed;
if (vStar_Object.circlePos == 360) {
vStar_Object.circlePos = 0;
}
if (vStar_Object._alpha < 100) {
vStar_Object._alpha +=1;
}
This seems to work just fine.
Anyway I need to change this so they move in an oval shape (like an egg on
its side)
Not being a mathematics expert I wondered if anyone can suggest how I can
amend my code to do so.
Thanks
Paul
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