Hi Philip Did you tried osgGA::NodeTrackerManipulator. In this Manipulator you can attach a Node to which this manipulator follows and also by keeping key press of that manipulators key bind you can rotate camera about that node .
--------- Santosh +91 9999785853 Philip Hahn wrote: > good afternoon- > > I was looking at the NPS tutorials and it was mentioned in tutorial > 11.1 that a osgGA::TrackerManipulator can be used to attach a camera > to a node. > > I tried this, (by attaching the TrackerManipulator to the node in > question, then manually setting my view matrix using the > TrackerManipulator's getMatrix() ) and while the camera follows the > path of my node through space as it moves (it is scripted), I don't > see my node. I did set a minimum following distance. > > Could someone either point me to a tutorial or give me a quick > overview of how to a TrackerManipulator? Ultimately I'm trying to make > a camera I can orbit around a moving vehicle, keeping focus on the > vehicle (I presume some if not all of this functionality exists, I'm > just not seeing it ... ) . Right now I'm manually calculating it using > spherical coordinates, retrieving the position of my target node, and > using makeLookAt() to generate a matrix. > > Thanks, > > Philip > >------------------------------------------------------------------------ > >_______________________________________________ >osg-users mailing list >[email protected] >http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
