Re: [MacPerl-Toolbox] Re: [MacPerl] 3D Ball 2.1 question

[Olivier Gerard <gerard@fr.clara.net>]

> The question I have about 3D Ball 2.1 is about the motion of the ball. When
> I run the program the ball moves very slowly, and is jerky in its motion.
> The program also seems to stop while it is calculating its next movement.
> However, when I just move the mouse every thing is quite the oppsite.
<snip>
> I am running MacPerl version 5.2.0r4, on an Ice/Blue 300 G3, with 128 Meg
> of ram, and OS 8.5.1. I have bumped up MacPerl to 70M.


I have experienced this on an iMac and I think the reason is the
System Event Handling mechanism.  It looks like the System was
giving control to MacPerl as if it were in the background unless
the mouse is moving.

If this is the case, it is likely to affect any MacPerl program
calling WaitNextEvent() to often and cause a severe loss of 
performance.




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