Thanks, that was the problem. I had an unneeded instance in the NIB.
Apparently embedding the view in the window creates an instance, and I had
also created one manually.
> -----Original Message-----
> From: j o a r [mailto:email@hidden]
> Sent: Tuesday, December 18, 2007 10:45 PM
> To: Steven E Barnes
> Subject: [Bulk] Re: Custom NSView not redrawing
>
>
> On Dec 18, 2007, at 1:58 PM, Steven E Barnes wrote:
>
> > I am attempting to write a simple game using
> > Objective-C and Cocoa, currently on Tiger. I have a
> > simple game thread using NSThread which looks like
> > this:
> >
> > - (void) doAnim {
> > NSDate *date = nil;
> > @try {
> > while (animating) {
> > [world advanceClock:ANIM_TICK_INTERVAL];
> >
> > [[GameView instance] setNeedsDisplay:YES];
> >
> > date = [NSDate
> > dateWithTimeIntervalSinceNow:ANIM_TICK_INTERVAL];
> > [NSThread sleepUntilDate:date];
> >
> > }
> > }
> > @catch(NSException *e) {
> > NSLog(@"Caught %@: %@", [e name], [e reason]);
> > }
> > }
>
>
> As you point out, this is not a thread safe call, and that's
> something
> you need to fix. It might not be directly related to this
> problem, but
> it needs to be fixed in any case. If you run unsafe threaded
> code, all
> bets are off.
>
> I would start with investigating if the view you try to update here
> really is the same view instance as in your nib file. Do something
> like this in both your "-awakeFromNib" and from your animation code:
>
> NSLog(@"View: %p", theView);
>
>
> j o a r
>
>
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