[ODE] Objects rotating the wrong way ?

DjArcas djarcas at hotmail.com
Thu Oct 9 10:06:34 MST 2003


Sounds like a lefthanded/right handed issue to me. IIRC, Direct3d is the
other way around to ODE and OpenGL.

----- Original Message ----- 
From: "Rob Ruck" <bobruck at btinternet.com>
To: <ode at q12.org>
Sent: Wednesday, October 08, 2003 7:52 PM
Subject: [ODE] Objects rotating the wrong way ?


> Ive started to attach meshes, etc. to my physics objects, and I've noticed
the
> objects seem to rotate mostly the wrong way, at least when I seem to add
> force to a ball rolling along a surface, it rolls with the bottom going to
top,
> rather than vice versa (not a good description, but imagine a cars wheels
> rotating reverse direction when going forwards).
>
> Am i:
>
> - Mapping the bodies orientation axises wrongly from dbodygetrotation; in
12
> element array the first four are right/x, the second four are up/y and the
last
> four are at/z (this is not documented btw, so im going on an assumption)
>
> - Just seeing what happens when adding force where there is no friction,
as
> opposed to just applying a rotational force.
>
> TIA
> --Rob Ruck
> --ICQ#66577271
> --mailto:bobruck at btinternet.com
>
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