Thanks for your quick reponse Carsten, it helped me to make it work. Regards, Arturo
> De: Carsten Neumann <[EMAIL PROTECTED]> > Asunto: Re: [Opensg-users] HUD in OpenSG+VRJuggler > Para: [EMAIL PROTECTED], [email protected] > Fecha: lunes, 6 octubre, 2008 11:05 > Hello Arturo, > > Arturo Garcia wrote: > > Hi, > > > > I am trying to do a kind of HUD (you know, some object > attached to the camera movements). My problem is that I am > using OpenSG (1.8.0) + VRJuggler (2.2.1), and I have a lot > of limitations: everything is as passive as possible. > > > > For example, I can't use the camera beacon, > because OpensgApp uses a MatrixCamera which ignores it. > > > > I tried to add a second viewport, but honestly, I > don't know how to do it because all the examples I can > find are related to OpenSG apps, not OpenSG+VRJuggler apps. > > > > So the question is, does anybody know how to implement > a HUD in OpenSG+VRjuggler?. > > let your application class store a second PassiveViewport, > an > OrthonormalCamera, a Background (DepthClearBackground ?), a > RenderAction > instance and the root of the scene graph representing your > HUD contents. > In the draw() callback first call the base class > OpenSGApp::draw() to > render your regular scene content afterwards use the second > RenderAction > to draw your HUD, using the ortho camera. You might have to > keep the > PassiveViewport, Camera, Background and Action in a struct > that you use > to instantiate vrj::GlContextData<> with (I suggest > taking a look at > OpenSGApp.h for reference). > > Hope it helps, > Carsten ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Opensg-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/opensg-users
