Re: coord with trackball

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Mario Veraart (rioj7++at++fel.tno.nl)
Fri, 28 Nov 1997 13:12:39 +0100 (MET)

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> I use a modified version of perfly to visualize a scene of several objects.
> I want to apply a trackball motion to one particular object
> but when i select trackball, the object is automatically translated to
> the origin (x=0 y=0 z=0) of the scene, while it is not with fly or
> drive motion.
>
> Is there any function with pfiXformer to avoid this translation.

You can find the source for the pfiXformer in
/usr/share/Performer/src/lib/libpfui
so you can adjust it to your needs, or make a subclass and override
the methods you need.

Mario
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