That was the key! Performance is good again. Thanks very much for the tip.
Julian
On 2011-02-01, at 10:26 AM, David Duncan wrote:
> On Jan 31, 2011, at 4:12 PM, Julian Wood wrote:
>
>> We grab the appropriate image portion from the spriteAtlas using
>> CGImageCreateWithImag
We have a game engine of sorts, developed under 3.2. It did use NSTimer to fire
off the game loop, but now uses CADisplayLink, at 15fps. The game loop
basically sends messages to as many as 15 sprites, telling them to update their
position and their frame. A sprite is in essence a CALayer, and w