From: d DOT vrabel AT n-shropshire DOT ac DOT uk (David Vrabel) Newsgroups: comp.os.msdos.djgpp Subject: Re: Orbiting Spheres? Date: Thu, 30 Apr 1998 06:59:59 GMT Organization: Staffordshire University Lines: 22 Message-ID: <354820d7.463072@192.168.1.250> References: <000601bd7390$a3b86ee0$874d08c3 AT arthur> NNTP-Posting-Host: www.n-shropshire.ac.uk To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Precedence: bulk "Arthur" wrote: >Hi. Remember the game Thrust which appeared on virtually every machine that >existed about ten years back? It had a "rotate & thrust" style ship which >had to pick up a ball, which then acted on it and *usually* flung your ship >into the nearest wall. > >I can get the physics of the ball right and the physics of the ship right, >but I can't get them to work together in a realistic way. > >Any ideas? Use conservation of linear momemtum (and angular is the ship and ball are not modelled as particles). Any elementary physics textbook will explain the principles. David. David Vrabel d DOT vrabel AT n-shropshire DOT ac DOT uk A poor student (aren't they all) at: North Shropshire College Oswestry, Shropshire, UK