Path: chuka.playstation.co.uk!news From: Jim Newsgroups: scee.yaroze.programming.libraries Subject: Re: Rotation Matrix Functions : Still Date: Wed, 16 Apr 1997 10:43:29 +0100 Organization: PlayStation Net Yaroze (SCEE) Lines: 36 Message-ID: <33549F41.7DBD@micronetics.com> References: <01bc4074$bd79ee80$d603e8c3@fred> <334A0C83.5959@micronetics.com> <3348D96D.289@interactive.sony.com> <334b2016.21064909@news.playstation.co.uk> <01bc4448$a37ddc80$0b16e8c3@fred> <334BA817.4A3C@interactive.sony.com> <01bc454b$1c8e8fe0$5214e8c3@fred> <334CA29A.539A@interactive.sony.com> <01bc45ea$2a00f1a0$c209e8c3@fred> <01bc46b0$08c8d860$ce08e8c3@fred> <3351F803.EB8@interactive.sony.com> <01bc4928$a4dd0940$f61ae8c3@fred> <33534048.2B79@interactive.sony.com> <01bc49fc$73633900$LocalHost@fred> NNTP-Posting-Host: jim.micronetics.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.0b2 (Win95; I) X-Priority: 3 (Normal) Why don't you post a zip of your source that reproduces the problem in a minimal amount of code? It may be easier for us to see what you are doing that way. Regards Jim Michael Enoch wrote: > > > To sort this I will need to see printouts of the matrix > > (that was the thing in your earlier posting that made it look > > like the normalisation wasn't working). > > > > > > Good luck > > > > Lewis > > Ok, I hope this is what you mean by printouts...... > > Here are 17 matrices. Each matrix is a printout of what happens to my > object's matrix when you rotate the object around the Y axis by (4096/16) > units each time. The function I used to get these results was the one I > posted earlier except with the changes you suggested in your last posting. > These results are different (worse) than the ones I posted before because > the normalisation code wasn't in the right place to work last time. > > Ok that's it :) > The second from last one should be when it finished a full loop, I think, > but it's certainly not the same as the first matrix. I hope this helps. > > Mike.