[ODE] Quadtree space and dSpaceCollide2

[Jon Watte (ODE)]

Christian Muschick wrote:
> Because this behaviour cost me an entire day, I suggest at least to 
> insert assertions so this doesn't go unnoticed. Workarounds at the 
> application level are possible, e.g. iterate manually over hashspace 
> geoms if the ode would iterate over quadtree geoms.

Yes, I think that's worthwhile. If you can implement iteration, too, 
that'd be super (I looked at that a year ago, but because it was more 
than a two-hour project, I didn't go forward with it).

Cheers,

          / h+