Hi Nicholas Shadow volumes are a special case of CSG (Constructive solid geometry). I guess you can find some ideas using the underlying technique of stencil plane passes.
See http://www.opengl.org/resources/code/samples/advanced/advanced97/notes/node11.html regards Ralph Nicholas Chan schrieb: > I am looking for a way to either black out or skip rendering a portion of > a scene that intersects with a manually defined volume or set of volumes. > The effect should be applicable per-pixel, not per-primitive/face. > > Shadow volumes seem promising, but I do not want the volumes to be > automatically generated via a rendering pass. The volumes are very simple > and I feel I can compute them more quickly than a shadow rendering pass. > > Thank you for your time. > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
