smoother with FPS turned on !?

[Lars J. <lar...@rc...>]

I just downloaded d20 for Mac and ran GeomTest in the Carbon folder. I
switched to MultiBox and got a somewhat jerky frame rate (iMac G5 1.8GHz,
standard video card).

Then I turned on Show FPS, and after a second or so, the rotation became
quite noticeably smoother.

I wouldn't expect a noticeable difference at all, and I certainly wouldn't
expect it to get smoother with the extra computation/refreshing of the title
bar...

I believe I can see this using the Quesa logo as well, but it's more subtle.
I think I see the same thing with the Quesa logo in Classic, but MultiBox is
so slow on Classic that it's hard to tell.

This reminds me of a bug I filed long ago with REALbasic, where if I updated
some text items onscreen, the animation got smoother. Never got to the
bottom of that one...

lj