Hi Dat,
I recommend you to peruse the "osgkeyboard.cpp" file that comes with the
source code examples (specifically the classes "KeyboardEventHandler"
and "osgGA::GUIEventHandler"), and to upgrade to a more recent OSG version
(at least 2.6.0).
Regards,
Alberto
El Miércoles 21 Enero 2009ES 06:34:45 tien dat escribió:
> Dear all,
> I have a very basic question of how to capture key pressed event in
> OpenSceneGraph.
> My program is set up like this:
>
> osgProducer::Viewer *viewer = new osgProducer::Viewer();
> //some more initialization here
> Producer::KeyboardMouse* km = viewer->getKeyboardMouse();
> Producer::RenderSurface* rendersurf = km->getRenderSurface();
> if(rendersurf ==NULL)
> {
> exit(-1);
> }
> viewer->realize();
> while( !viewer->done() )
> {
>
> // wait for all cull and draw threads to complete.
> viewer->sync();
>
> // update the scene by traversing it with the the update
> visitor which will
> // call all node update callbacks and animations.
>
> viewer->display();
>
> // fire off the cull and draw traversals of the scene.
> viewer->frame();
>
> }
>
> But I don't know how to capture a key that users pressed to trigger
> another event. Could any of you give me a hand.
> Thank you,
> Dat
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