On 10/11/2010, at 03:01, Graham Cox wrote:
> 
> On 10/11/2010, at 4:23 AM, Siegfried wrote:
> 
>> The question is:
>> Is it possible to "pause" after each call…?
> 
> Yes, but you need to refactor your code. Just inserting a delay while drawing 
> is a bad idea and won't work.
> 
> Set up a timer that calls every 0.25 seconds. Each time the timer fires, 
> increment an ivar that controls which level of triangle is being drawn, and 
> mark the display as needing refresh (-setNeedsDisplay:). Then, in-drawRect:, 
> use the 'current triangle' ivar to do the relevant part of the drawing.
> 
> --Graham
> 

Thanks Graham, nice approach.

Siegfried

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