Path: chuka.playstation.co.uk!news From: Richard Haskey Newsgroups: scee.yaroze.programming.3d_graphics Subject: Normals Date: Mon, 28 Apr 1997 22:25:25 +0100 Organization: PlayStation Net Yaroze (SCEE) Lines: 20 Message-ID: <33651582.1CFB@innotts.co.uk> NNTP-Posting-Host: serialB0c.innotts.co.uk Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.0 (Win95; I) Hi, I've just started looking into writing some 3D stuff and I'm stuck. I need a way to retrieving the vertex NORMALS of an object after the object has been rotated. I can think of two ways of two ways that I could do this :- a) Manually rotate the original normals using a derived rotation matrix and store them in an array. b) Get the rotated vertex normals (as created by GsSortObject4) out of the packet data area. Has anyone any ideas??? Thanks , Richard