gerard robin > On mercredi 19 novembre 2008, Vivian Meazza wrote: > > gerard robin wrote > > > > > On mercredi 19 novembre 2008, Melchior FRANZ wrote: > > > > The model manager allows to add models at runtime. Most often > > > > they are static (-> geo.put_model()), but one can also > > > > register them with adjustable position/orientation properties. > > > > > > > > If the object was moving (independently or placed relative > > > > to a moving aircraft), then one used to run into a nasty > > > > fluttering problem: the model didn't keep a constant distance > > > > to the aircraft, but -- depending on the speed -- fell behind, > > > > jumped forward again, etc. > > > > > > > > This should now be fixed. It's possible to attach objects > > > > to an aircraft or to put an independently moving object > > > > (e.g. tanker) in the scenery without any flickering/fluttering. > > > > It's possible to put a jeep in the C130, let an animated > > > > (female) flight attendent bring coffee to the cockpit etc. :-) > > > > > > > > See the attached example -- put it in ~/.fgfs/Nasal/. It > > > > will place a cow in front of the aircraft. > > > > > > > > m. > > > > > > Nice , now we will be able to make movies/snapshot with Aircraft > > > formation flying ( with clones ). > > > An other application could be the Canopy, Pilot and Ejection seat, > being > > > model, controlled by the model manager, and released on request with a > > > specific animation in case of emergency. > > > We must, only, mind with the CPU ressource. > > > > We have been able to do almost realistic formations, and to slave > > sub-models such as droptanks to parent aircraft which can then be > released > > as a ballistic object for almost a year now. > > > > The code is reasonably lightweight, and doesn't reduce the frame rate > too > > much. Examples of all these features are in CVS. > > > > Vivian > > > Do you mean that that model manager update, won't be a dramatic > improvement ?
Not if you want objects to be slaved and then released in realistic way, or for aircraft to fly realistically in formation. It would be good for jeeps inside cargo planes or cows. Of course, you may wish to do all the ballistic calculations in Nasal. That is quite feasible. I'm not going to. Vivian ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
