Date: Tue, 13 May 1997 15:41:50 -0700 (PDT) From: KaRNaGE <dlydiard AT linknet DOT kitsap DOT lib DOT wa DOT us> To: Dj Delorie <djgpp AT delorie DOT com> Subject: cross_product() - Allegro Message-ID: <Pine.GSO.3.96.970513154002.12358A-100000@linknet.kitsap.lib.wa.us> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Precedence: bulk i was wondering how i could use cross_product() to get the normal of a vector (x, y, z)...and the normal of a face (triangle)...thankz...