Brett Thomas Lee wrote on Tuesday, September 08, 2009 4:51 PM:
> Hi,
>
> Similar to Mr Paul I tried to modify my scene by calling update like
this
>
> viewer.realize();
> while(!viewer.done())
> {
> viewer.advance();
> viewer.eventTraversal();
>
> //viewer.updateTraversal();
> mtLeft->setUpdateCallback( new RotateCB );
> viewer.renderingTraversals();
> viewer.setCameraManipulator(new osgGA::TrackballManipulator());
> }
>
> But nothing happened!!
If you comment out the update traversal, no update callbacks will be
executed. What Paul was suggesting is doing whatever RotateCB does in
while(!viewer.done()), like so:
viewer.realize();
while(!viewer.done())
{
viewer.advance();
viewer.eventTraversal();
//viewer.updateTraversal();
doRotateCBStuff();
viewer.renderingTraversals();
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
}
--
Bryan Thrall
FlightSafety International
bryan.thr...@flightsafety.com
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