On Aug 21, 2008, at 6:56 AM, Tilman Bender wrote:
Hi there,
Is it possible to obtain the angle of rotation from a tranformation-
matrix created with CGAffineTransfrom?
If you haven't applied any other transforms to your CGAffineTransform,
you could determine the rotation (in radians) via
On Aug 21, 2008, at 6:56 AM, Tilman Bender wrote:
Is it possible to obtain the angle of rotation from a tranformation-
matrix created with CGAffineTransfrom?
If the CTM consists of only rotation and transform (or if it is scaled
and you know the scale values) then it should be possible to re
Hi there,
Is it possible to obtain the angle of rotation from a tranformation-
matrix created with CGAffineTransfrom?
Background:
I am building a simple kitchen-timer app, that should work like the
ones in your mom's kitchen:
You set the time by touching a control and rotating it. Now I woul