Re: Need Help with Physics Engine Animations... 2004-01-19 - By joe_ashear
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Agreed. Carrara's speed (or lack thereof) makes the physics engine all but
useless for
anything beyond simple demos-of-the-physics-engine-itself. I spent a good deal
of
time with Cinema 4D, and it too can perform physics calculations hundreds of
times
faster than Carrara (meaning it does in real time what takes many minutes in
Carrara).
The fact that you have to slap yourself on the forehead every time you forget
to turn
off the physics engine exacerbates the situation.
There must be a fundamental difference in the way Carrara calculates physics vs
.
other programs. Like maybe the others start with a rough pass, comparing
bounding
boxes before they calculate the interactions between actual surfaces... or
maybe they
are better able to detect when an object has run out of "potential energy" and
can be
excluded from calculations to save time... or something. I know nothing about
real
physics or simulated physics, so I'm just making stuff up here.
In any case, I'd bet that if the performance of the physics engine is improved
in C4, it
will be improved A LOT, because Eovia will have switched to that fundamentally
different scheme, whatever it is.
- Joe
--- In Carrara@(protected), "darylcrandall2002" <Daryl@(protected)> wrote:
> The other thing about Carrara physics is the god awful length of
> time it takes to do calculations for even simple operations.
> Although it "usually" works out in the end if you have a movie to
> watch or a book to write while you're waiting. However it does seem
> to work.
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