Hi Mots, It sounds like inserting osg::CameraView nodes within the subgraphs you wish to track, then using a osgGA::CameraViewSwitchManipulator would be the easiest way forward.
Robert. On 8 October 2013 03:29, Mots G <[email protected]> wrote: > Hi, > I'm trying to add cameras to the scene (dropping models across the scene) > and the user could drag them or rotate them and change its parameters. > All works good for the first time, however, I lose track if the user > rotates the camera representing object. I'm banging my head with simple > math but I'm unable to figure out how the camera's center/up vector change > if the camera object rotates. I put the eye to where the node is translated > to. > > I tried to figure out the rotation angle so that I could initialize the > camera with the original parameters for the center and up and then apply > rotation to the model view matrix but it doesn't seem to make the camera > look at, in the correct direction. I'm using daggers for rotating and > translating the node. > > Tried looking at source for some manipulators but could not understand > much. > > Sorry for the noob question but would be glad if anyone could help. > > Thanks, > mots > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >
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