The wheel direction was originally the other way around (ie reeling in the model toward you) but I discussed the code with Skylark(Jean-Sébastien Guay) and his code suggestion was the opposite so I submitted that.
Here are the changes to add a user configurable option (I can't see any updates on SVN so these are against 2.8.0) I was also looking at adding calls to the viewer to do zoom in/out/full directly from my gui. Is it worth adding calls to TrackballManipulator to zoom in/out rather than calling get/set Distance? ps. The home() function in TrackballManipulator, to reset a view, takes a dummy double argument which isn't used - is there a reason for this? ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=8197#8197
TrackballManipulator.cpp
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