Hi Jason, Well there is many different ways to define an Euler angle, which convention would you go for???
Rather than go down this tangled route the OSG just uses quaternions for rotation, they are far more robust and lack the ambiguities of Euler angles. Robert. On Thu, Apr 2, 2009 at 7:34 PM, Jason Daly <[email protected]> wrote: > > Hi, Robert, > > I'm porting an old Performer application to OSG. It's not a problem for > me, but I noticed that there is practically no support for Euler angle > rotations (heading, pitch, roll) in OSG anywhere. (I'm not sure how I > missed this all this time, but there it is.) > > I ended up having to implement my own version of pfCoord and write the > routines to extract Euler angles from quaternions. Good fun! :-) > > I guess I'm just curious if this was a design decision from the start. Had > you been burned by singularities one too many times? :-) > > --"J" > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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