PCJohn wrote on 2010-03-19: > 2. LightSource question: I was always wondering why there are two light > classes - osg::Light and osg::LightSource - and not just one. Is the > only purpose for having both osg::Light and osg::LightSource the ability > of LightSource to specify ReferenceFrame? Apparently, osg::Light as > Attribute can not have reference frame. Any other reasons, or am I > missing something?
osg::Light is a StateAttribute and osg::LightSource is a Group, so Light represents the OpenGL state (like the light ID) for a light in the scene, and LightSource represents the location of that light (note that LightSource has a Light). HTH, -- Bryan Thrall FlightSafety International [email protected] _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
