Path: csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!npeer02.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail From: davidlively@gmail.com Newsgroups: comp.games.development.programming.algorithms Subject: Re: Determining curve of a moving point from 3 accelerometers (XYZ); Date: Sat, 21 Jul 2012 13:35:33 -0700 (PDT) Organization: http://groups.google.com Lines: 26 Message-ID: <2e752c1c-2fee-4138-890e-ea9b1912a9b1@googlegroups.com> References: <0faequg9mqa1qgreb87qj8catg77hs7ukg@4ax.com> NNTP-Posting-Host: 70.247.164.190 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 X-Trace: posting.google.com 1342903026 2821 127.0.0.1 (21 Jul 2012 20:37:06 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Sat, 21 Jul 2012 20:37:06 +0000 (UTC) Cc: Dave Eberly In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=70.247.164.190; posting-account=mFdfRgoAAADj2Sd9UkP5u9oL90LYo6b8 User-Agent: G2/1.0 X-Received-Bytes: 2516 Xref: csiph.com comp.games.development.programming.algorithms:35 On Wednesday, October 30, 2002 1:36:13 AM UTC-5, Dave Eberly wrote: > "Tom Leys" <bob@bob.joe> wrote in message > news:apn3ep$82c$1@lust.ihug.co.nz... > > > So what? Same idea - rotational acceleration integrated to get rotational > > velocity integrated to get rotational position. Pretty simple > % and % > > (who has written a very good physics system - maybe not perfect, but good, > > in this manner) > > I doubt you will find that the standard resources on physics > contain the terms "rotational acceleration", "rotational velocity", > and "rotational position". The last term is meaningless, for sure. > The equations of motion for a rigid body include information > to completely determine the path of the body. Integrate and you > get what you get... > > -- > Dave Eberly > eberly@magic-software.com > http://www.magic-software.com > http://www.wild-magic.com You know, 10 years and two degrees (BSEE/MSEE, and part of a PhD) later, and with 20+ years of development experience under my belt, I have to say: You're still a dick, and completely incorrect.