[ODE] ODE - Constant speed in different qualities boxes

[Megan Fox]

> Megan Fox wrote:
>
> > If I was doing it properly, I would be running my entire game loop at a
> > fixed rate (so I would update EVERYTHING in the loop, once per
> loop, then
> > render at the end), but I'm not :)
> >
> > I do run the collision system once per loop, but I don't communicate the
> > position of the geoms to the "real" entities in my systems
> until the looping
> > has stopped.  I think I might adjust this in the "real" engine
> such that I
> > run the entire system at a fixed rate - it would make it easier
> to retrofit
> > the engine to allow replays.
> >
>
> I tried this, both with clearing all the collision contacts after the
> first small ODE update and without. In both cases the result was
> terrible. My simulation jumped around and was in general much more
> unstable than it was before :(

Here is exactly how my physics update looks: