Thanks for the code reference, Matt. I'll go look it up after I reply
to this thread. I think I'm just going to use Graham's suggestion, to
multiply by -1. This seems to give me the behavior I'm looking for.
-Michael
On Nov 4, 2008, at 5:16 PM, Matt Long wrote:
Others have answered the
Unless North is 0 and East is 90, which it is in my context after I
execute the following code snippet:
//
// Center and rotate the drawing context so that 0,0 is at the
center and
// zero degrees is at the top of the context.
//
CGContextTranslateCTM(ctx, CGRectGetMidX(l
Others have answered the question, but here's some code. Gotta love
code. ;-)
http://www.cimgf.com/2008/10/25/core-animation-tutorial-slider-based-layer-rotation/
-Matt
On Nov 4, 2008, at 5:30 PM, Michael A. Crawford wrote:
By default, positive angle values assigned to a rotation animation
On Nov 4, 2008, at 4:30 PM, Michael A. Crawford wrote:
By default, positive angle values assigned to a rotation animation
result in counter clockwise rotation. Is there a way to cause the
rotation to occur in the clock-wise direction, with positive
values? For example, consider a needle r
On 5 Nov 2008, at 11:30 am, Michael A. Crawford wrote:
By default, positive angle values assigned to a rotation animation
result in counter clockwise rotation. Is there a way to cause the
rotation to occur in the clock-wise direction, with positive
values? For example, consider a needle