Path: chuka.playstation.co.uk!tjs From: tjs@cs.monash.edu.au (Toby Sargeant) Newsgroups: scee.yaroze.programming.3d_graphics Subject: Fixed point jitters... Date: 13 May 1999 15:33:53 GMT Organization: PlayStation Net Yaroze (SCEE) Lines: 9 Message-ID: NNTP-Posting-Host: longford.cs.monash.edu.au X-Newsreader: slrn (0.9.4.3 UNIX) Has anyone come up with a successful strategy for avoiding fixed point jittering in objects that are rotating extremely slowly? Dumping the world matrix, it seems that lengths of the axis vectors are varying by only about +/- 3, which works out to being about +/- 0.001 in floating point terms. I would have thought this was acceptable, but it seems to cause quite large variations in screen coordinates. Toby.