[ODE] orientation in ODe

[Hannes Norda]

Hi!
Quick question I hope...

I know that orientation in ODE really doesn't matter, since simulations 
behave as expected depending on how you set the gravity... But, I 
noticed that when retrieving the collision normal from dContactGeom the 
z component points up. (I use DirectX-style orientation btw.) So I guess 
I need to convert the normal to my space. Now I'm just curious, where 
does x and y components point??

/Hannes