Path: chuka.playstation.co.uk!news From: Andreas Schrattenecker Newsgroups: scea.yaroze.programming.3d_graphics Subject: Re: Solved flashing polygon problem! Date: Tue, 11 Nov 1997 02:06:37 +0100 Organization: PlayStation Net Yaroze (SCEE) Lines: 13 Message-ID: <3467AF9D.7974F9E6@jk.uni-linz.ac.at> References: <3465580B.4D4A@san.rr.com> <34679958.925F7F79@jk.uni-linz.ac.at> NNTP-Posting-Host: k13b.jkh.uni-linz.ac.at Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.03 [en] (WinNT; I) Or is frontfaced/backfaced calculated with the internaly calculated normalvector of the first 3 defined verticies -> then your theory is right David. I think i have understood it now. Realy good job. Andreas Schrattenecker