setColorIndices, setVertexIndices, etc., allow you to have a different set of indices for each array, so that (for example) the vertex with index 89 could be drawn with the color with index 42. Sounds really flexible, but unfortunately there's no way to do this in OpenGL 1.x/2.x other than the slow path, and no way to do it in OpenGL 3.x at all, so applications should not use it for performance-critical rendering. (Oh! That's most all rendering, isn't it? :-)
Instead, arrange your data so that colors and other vertex data have the same index value as the vertex they are associated with, (vertex index 23 is drawn with color index 23, etc), then use glDrawElements* as your PrimitiveSet. This might require some duplication of data, but will render much more efficiently. Text along these lines should maybe be in the Geometry header next to the "deprecated" warning. Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com +1 303 859 9466 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Anton Lauridsen Sent: Monday, April 20, 2009 4:37 PM To: [email protected] Subject: [osg-users] Newbie question regarding deprecated methods Hi, I'm trying to learn to use OSG using the tutorials on the wiki, starting with this: http://www.openscenegraph.org/projects/osg/wiki/Support/Tutorials/BasicGeome try, during the coding, I learned that setColorIndices has been deprecated, unfortunately I'm having difficulties figuring out what the preferred replacements are. I tried doing some searches, using the usual keywords, "deprecated", "setColorIndices" etc, (hey I'm a newbie, I probably haven't got the terminology right) I haven't had much luck with finding replacements. Is there somewhere I can go and get some idea about what to use instead? or is there a more up to date tutorial? Thank you. ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=10482#10482 _______________________________________________ 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
