Hi Jason, I guess you have to have a look at the CameraManipulators available and probably inherit and override some code. There is some OrbitManipulator maybe you can start with.
Nick On Thu, Nov 21, 2013 at 9:17 AM, Jason Anderssen <[email protected]>wrote: > Hi Trajce, > > Thank you for your response, so will this still allow the user to be > looking at one location, while the scene itself rotates around a different > location? > I did think I tried this, and I thought the whole view changed to the new > centre, I will try again all the same. > > Cheers > Jason > > From: Trajce Nikolov NICK <[email protected]> > Reply-To: OpenSceneGraph Users <[email protected]> > Date: Thu, 21 Nov 2013 15:19:42 +1000 > To: OpenSceneGraph Users <[email protected]> > Subject: Re: [osg-users] Pivot point in osgViewer > > Hi Jason, > > very easy to do this. You control the view matrix manually. Something like > > viewer.getCamera()->setViewMatrixAsLookAt(eye,center, up) > > probably you would want to do an UpdateCallback for the camera that gets > the new pivot point and change only the center > > > > Nick > > > On Thu, Nov 21, 2013 at 8:01 AM, Jason Anderssen > <[email protected]>wrote: > >> Hi all, >> >> Im experimenting with osgViewer, and would like to know how I would go >> about changing the pivot point of the scene if the user clicks on an object >> and I want to use the scenes object's centre point as the new pivot point? >> Is this possible with the current manipulators? >> So ultimately I am trying to implement dynamic pivot point selection by >> the user but still maintaining the current view position. >> >> Thank you in advance. >> >> Cheers >> Jason >> >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> > > > -- > trajce nikolov nick > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > -- trajce nikolov nick
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