[ODE] Stuff doesn't stay where I put it.

Andrzej Szombierski qq at kuku.eu.org
Tue Nov 9 19:05:33 MST 2004

On Tue, 9 Nov 2004, Chunky Kibbles wrote:

> This is my first ODE app, and currently it's meant to simulate a
> unicycle.
> http://icculus.org/~chunky/uni/odeuni-2004-11-08.tar.gz
> Is the source. Basically, it creates a cylinder [the uni frame] and a
> wheel [also a cylinder]. It attaches them using a hinge. Then, the
> program spits out the co-ordinates of where each is for 200 iterations
> or so.
> I just let everything go. No gravity, no other forces or torques
> applied... nothing.
> If I set ERP to zero, then everything stays where I left it. With any
> other ERP setting, the unicycle and wheel actually travel toward each
> other and end up stopping when they're both at a point between where
> they both started.
> I'm really confused as to what's going on... Can anyone help me a bit?

I didn't try to compile it but it should work if you first call 
dJointAttach, and then dJointSetHinge*.

:: Andrzej Szombierski :: qq at kuku.eu.org :: http://kuku.eu.org ::
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