Mathias Fr�hlich wrote:
> Sent: 18 October 2004 19:38 > To: FlightGear developers discussions > Subject: Re: [Flightgear-devel] status of aircraft carrier > > > Hi, > > On Donnerstag 14 Oktober 2004 17:59, Vivian Meazza wrote: > > Mathias Fr�hlich wrote a long time ago: > ... sadly yes. > > > In the next couple of days or so I will have completed a model of a > Seafire > > IIIc. It has a functioning hook, so I was set to wondering if there was > any > > progress on the arrester wire project??? > not yet. > I have thought about many things in this area. But no code yet. > > > In the course of the work on Submodels, I realized that it should be > > possible to re-use some of that code to provide the location of the hook > on > > a near frame-by-frame basis in geodetic terms. Intersection with a 'wire > > surface' should be possible to calculate. But then we need to apply a > > suitable force to the fdm. I wonder if a mega-brake would do the > trick??? > > At least as a first try. > Hmm, > I am not satisfied with anything which is only working on a per frame > basis. > Just because, if so, we will have different bevour of our physical models > dependent of the frammerate. I think I put this bit badly. The geodetic output would be dependent on the speed of an iteration loop. If we are only modeling an arrester wire _surface_ it should suffice. I can generate some proof-of-principle code for this quite readily, I think. I'll see what I can do. My main conceptual difficulty is the compass alignment of the arrester wire surface. If we test the hook position in geodetic terms, i.e. lat a < hook pos < lat b etc. how do we account for the odd triangles at the corners? > We can just tell that this will model the randomness of catching the wire. > But > IMO I would like to be able to infulence this randomness by myself. Good point. The probability of catching a wire given that the hook intersects the wire surface is ... ? Some function of hook design, number of wires, aircraft velocities, ship velocities ... some pure chance ... ? Regards, Vivian _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
