Through playng about, I've come up with changing:
t.angle = i * ((Math.PI * 2) / numOfItems);
to:
t.angle = (i * ((Math.PI * 2) / numOfItems)) + (Math.PI * .5);
Adding 90 degrees to all items.
Seems to work :O)
Adrian
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Adrian
Lynch
Sent: 24 April 2007 11:22
To: Flashcoders
Subject: [Flashcoders] Shifting points 90 degrees
Hey all,
I'm using the tutorial on building a carousel from gotoandlearn.com as the
basis of one that has a few more things it can do.
I'm having trouble with the placement of items on the circle at the
beginning.
The angle is derived with:
t.angle = i * ((Math.PI * 2) / numOfItems);
The x and y coords are derived with:
t._x = Math.cos(t.angle) * radiusX + centerX;
t._y = Math.sin(t.angle) * radiusY + centerY;
This starts the placement of the items on the circle starting at 3
o'clock(east), whereas I would like them to start at 6 o'clock(south).
How would I go about adding 90 degrees to the initial placement?
Cheers.
Adrian
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