Re: Ground limit and 3D model

Sam Heyman <[email protected]> Sat, 21 May 2005 12:59:10 +0200
Newsgroups gmane.games.flightgear.flightmodel
Message-ID <[email protected]>
> > Is there any way of telling whether the aircraft is correctly
> > positioned? My 3D model is centred in the middle of the screen and
> > when I zoom it remains in the centre.
> > However, it sometimes flips-over and lies on its back, underground...
> > which seems to hint something isn't quite right.
> 
> That sounds like the only contact points you've defined are the gear -
> so it's doing exactly what you told it - the gear remains at ground
> level :-)
> 
> Try adding extra contact points for things like wing tips, the top of
> tha tail, the nose, canopy, etc - this will ensure that if it does hit
> the ground you won't be able to drive parts of the aircraft *through* it.
> 

Aha! I didn't know you could define more contact points... do you just
add them in the under-carrriage section?

As for the AC_VRP coordinates, are they relative to the FDM origin or
to AC_CGLOC?

Sam

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