I, eye, oi.. Perhaps after a nice long sleep (and after I rescue my cat from the dreaded closet), and a bunch of turkey (sorry Pete), it'll make more sense. The again, probably not.. Anyway, I'll give it some thought, and hope in vain for a better teacher ;) -Peter Dempsey >From: Robin <robinc@...> >Reply-To: futurebasic@... >To: <futurebasic@...> >Subject: Re: [FB] Physics... >Date: Thu, 23 Nov 2000 14:13:23 +1000 > >Those of us of advanced childhood abilities and/or advanced age might >remember one of the early arcade video games, which evolved from an early >mainframe game, "Space War" or something like that. Your game sounds like >it's heading towards a more sophisticated version of that. Space War was >just in 2 dimensions, but you could set its options anywhere from no >inertia >and no gravity, to inertia and strong gravity. To hit the enemy (2-player >game with the occasional asteroid) with both inertia and gravity was a fun >exercise in mental extrapolation. > >Unfortunately I don't remember my physics enough to help you with the >maths, >but if you want to be really realistic you can't merely add instant speed, >but should adjust your speed and vector using ol' Newton's formula F = ma, >or inverted, your acceleration will be the force applied divided by your >mass... and your final velocity the vector resulting by combining your >initial velocity with your added velocity (using Pythagoras' theorem)... >where the added velocity will be your acceleration multiplied by how long >you were accelerating! That should keep you occupied for a while :-) ohhh. Its all so clear now. I mean, there's possibly a little mud on my eyes from the bath in the mirky pond... > >-- >Robin >==================================================== >Genesearch Pty Ltd >E-mail: robinc@... >WWW: http://www.genesearch.com.au >==================================================== > > > From: "Peter Dempsey" <theviron@...> > > Reply-To: futurebasic@... > > Date: Wed, 22 Nov 2000 21:57:27 -0600 > > To: futurebasic@... > > Subject: [FB] Physics... > > Resent-From: Server <genesrch@...> > > Resent-Date: Thu, 23 Nov 2000 13:59:29 +1000 > > > > Starships up until now has been inertia-less. You spin your ship and >you > > automatically go that fast in that direction. No loss of speed or >heading. > > However, I decided recently (cough cough today) to add gravity wells. >Fun, > > but that sort of messed up navigation with the system I was using. > > >-- >To unsubscribe, send ANY message to <futurebasic-unsubscribe@...> > _____________________________________________________________________________________ Get more from the Web. FREE MSN Explorer download : http://explorer.msn.com