Path: chuka.playstation.co.uk!news From: Harvey Cotton Newsgroups: scee.yaroze.programming.3d_graphics Subject: Re: Efficient Object Modelling Date: Thu, 25 Feb 1999 09:23:30 +0000 Organization: PlayStation Net Yaroze (SCEE) Lines: 24 Message-ID: <36D51692.2F76@mdx.ac.uk> References: <7a3ea7$7op10@chuka.playstation.co.uk> <36CAFA60.C0A88FC8@ndirect.co.uk> <36CB3327.EC24F6C3@hinge.mistral.co.uk> <7amg16$erp2@chuka.playstation.co.uk> <36CFB94B.5DB79BDD@hinge.mistral.co.uk> <7ap14o$erp15@chuka.playstation.co.uk> NNTP-Posting-Host: stu-dialup14.mdx.ac.uk Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.04Gold (Win95; I) Alex Herbert wrote: > > Sorry Craig, I think I misunderstood what you were originally saying. When > I said that the normals had to be recalculated, I meant that the normal > vectors would have to be re-rotated each time they are used within the > model. I wasn't suggesting that the normal vectors would have to be > re-built, as like you say, they are in the model data already. I was just > pointing out how inefficient GsSortObject4() is in it's GTE usage. > > Thanks anyway, > > Herbs If you are really that interested in efficient object modelling, I've seen this utility on the american yaroze site called tmdsort which is supposed to sort the data in a tmd for maximum efficiency. Its good for objects which large amounts of polygons. Maybe they could put a link to it in the tools section on this SCEE site? -- Regards | E-mail: hc054@mdx.ac.uk Harvey | ICQ: 4269478