Hi Fred & Jefferson, On Sun, Dec 14, 2008 at 10:49 AM, Frederic Bouvier <[email protected]> wrote: > I have a patch to PrecipitationEffect that seems to work. I'll submit it > to osg-submissions
I've just done a review of these changes and don't feel that there are mostr straightforward and effecient way to implement what is effectively near plan clipping. The code will make the vertex program slower, and not cut down on rasteristation and fill load. I feel a better route would be to either: 1) use two Camera's to depth partition the scene as suggested earlier in this thread, as this would give you control over the worlds depth range where the precipitation exists 2) Use an osg::ClipPlane to clip the precipitation effect. Using a clip plan would also allow you to control angle of the clipping. Neither the above routes require any changes to the core OSG, and both would not affect the vertex program load, and would clip out fragment so would cut down the fragment program load so would be more efficient than the submitted fix. Could you test out the above suggestions? Thanks, Robert. _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
