[ODE] simulation steps in a game

[J. Perkins]

Nate W wrote:
> In my application, I step the world and then render the scene as fast as
> the CPU will allow.  If that rate drops below 40hz, the frame rate
> decreases and all motion slows down correspondingly.  In other words, I
> never call world->step with a time interval of more than 25ms.

FWIW, Grand Prix 2 did this and it ended being used as a cheat.
People would intentionally load up their machines to get into
"slo-mo", which would allow them to get better laptimes.

I run multiple physics updates per frame in order to maintain
stability.

Jason
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