Ok so I'm dumb. Although to be fair to me it was a single character wrong! (gl:depth-test :equal) != (gl:depth-test :lequal).
I'm guessing that my code (with the :equal) would only have displayed overlapping objects if their depth was equal. That sounds very silly to me! On with the examples ... Cheers, Charlie _______________________________________________ cl-opengl-devel mailing list cl-opengl-devel@common-lisp.net http://common-lisp.net/cgi-bin/mailman/listinfo/cl-opengl-devel