Try BIND_PER_VERTEX Brian
This is a PRIVATE message. If you are not the intended recipient, please delete without copying and kindly advise us by e-mail of the mistake in delivery. NOTE: Regardless of content, this e-mail shall not operate to bind CSC to any order or other contract unless pursuant to explicit written agreement or government initiative expressly permitting the use of e-mail for such purpose. [email protected] wrote: ----- To: [email protected] From: Werner Modenbach <[email protected]> Sent by: [email protected] Date: 08/25/2010 04:16PM Subject: [osg-users] Issue with normal vectors Maybe someone can give me some explanation on my stupid little problem. I have a geometry being composed of TRIANGLES. I have a vertex-array, a verted-index-array and a normal-array assigned to my geometry. 3 indexes and 3 normals per Triangle. Normal binding is set to BIND_PER_PRIMITIVE_SET. Unfortunately the rendering shows the geometry flat in curious dark colors and some unexpected light behaviour. For analysis purpose I set the normal binding to BIND_PER_PRIMITIVE and pushed just 1 normal per TRIANGLE. Everything looks good except I see the triangles and the geometry isn't smooth. The next test is pushing the same normal vector 3 times and setting the binding back to BIND_PER_PRIMITIVE_SET. In my understanding this should give the same optical result as before. Unfortunately it doesn't and everything is dark again. I guess, I misunderstand something with the normal bindings. Any hint is highly appreciated. Thanks in advance - Werner - _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
