[ODE] ODE 0.6's geom offsets

gcarlton@iinet.net.au gcarlton at iinet.net.au
Sun Jul 2 16:51:23 MST 2006

Geom offsets allow position and rotational offsets, just like geomTransform.

There may be confusion because when explaining, I tend to give simple examples
with just a translation offset, rather than one using a rotation matrix - its
easier to visualise.  The changelog wiki (which I believe you are referring to)
should really link to a doxygen API which would make it clear what the functions

I wouldn't be worried about geomTransform disappearing though, it would be very
rash for the ODE developers to suddenly strip it out, and there is no harm in
leaving it in there.


Quoting Russell Bartley <russellbartley at kromestudios.com>:

> Hi,
>     I'm using 0.5 at the moment and have quite a few compund objects that use
> geomtransforms to set the local offset and orientation of each geom in a
> body. I would  like to move onto 0.6, and I was hoping to remove my use of
> geomtransforms in favour of the new geom offsets. 
>     From the changelog, it looks like the offsets are allowing a local
> translation for each sub geom, but no orientation, and I will need to keep
> each local orientation of each geom. Am I reading this wrong, and there is
> some other way of setting up a local orientation for a geom in a compound
> body wihout the use of a geomtransform, or is it not designed that way?
>     If it isn't designed that way then I'm happy to continue using
> geomtranforms, but am worried that in future releases you may remove
> geomtransforms alltogether? 
>     thanks
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