Hi Andreas,
On Mon, 2004-10-18 at 12:30, Andreas Zieringer wrote:
> Hi Daniele,
>
> there is an example in OpenSG/Tutorials/18opengl_slave.cpp
>
> The following should do the trick.
>
> Andreas
>
> mgr = new SimpleSceneManager;
>
> mgr->setWindow(pwin );
> mgr->setRoot (scene);
>
> ViewportPtr vp = pwin->getPort(0);
> MatrixCameraPtr newcam = MatrixCamera::create();
> beginEditCP(vp);
> vp->setCamera(newcam); // replace the cam
> endEditCP(vp);
I'm not sure if that's really what he wants, as it replaces not only the
projection but also the modelview matrix. Right now I don't see a way to
only replace the Projection matrix. You can enhance it using a
MatrixCameraDecorator, but you can't replace it. To do that you'd have
to write your own Camera.
It might make sense to add that to the Matrix Camera (optionally getting
the Modelview the usual way from a beacon). Probably not right now
though, with 1.4 knocking on the door.
Dirk
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