[ODE] reverse timestep?

[Anders Olofsson]

I haven't done anything like this but if I would I'd try to
record stuff (positions, velocities and so on) to a logfile
instead and then play it backwards.

But I'm sure you already thought of that.

Cheers.

At 08:14 2004-05-03 -0700, you wrote:
>Is it possible to run a simulation in reverse?  I was
>wondering if I could run my simulation for a while,
>then run it backwards from the end to the beginning.
>
>I thought maybe you could simply reverse the direction
>of all forces, torques, and velocities.  Would that
>work, or is there a lot more to it?  If it were that
>simple, it would be nice to add this functionality to
>ODE and be able to just pass a negative timestep to
>the solver and have it do this automatically.
>
>Tyler Streeter
>
>
>
>
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