Melchior FRANZ > * Jon S. Berndt -- Monday 19 December 2005 05:04: > > Would it be possible to change the visual appearance of wing flex during > > flight? > > As Curt and Joacim have mentioned already, there are ways to do it: > > (A) ornithopter method: several instances of the wing. This has the > disadvantage that you'd need a lot of them for smooth transitions. > No problem for the fast moving ornithopter, but one would probably > need a *lot* of such instances for a glider wing. > > (B) bo105 method: wing/blade made of smaller parts that are each > animated with smaller rotations. Smooth movements, but the hinges > between them can look quite ugly. Not a big problem for the bo105, > because the blade is dull and black. Wouldn't work well for a shiny > white wing. > > (C) tween method: this isn't implemented in fgfs yet, but plib offers > an ssgTweenController ("A morph controller") class. Maybe "we" should > make it available in fgfs for wings/blades. It interpolates between > two or more objects with the same number of vertices&faces, so one > would only need two instances of the wing and could smoothly > interpolate. Would probably work better than either (A) or (B). > (see http://plib.sourceforge.net/ssg/branches.html and the > test application: $PLIB/examples/src/ssg/tween_test/tween_test.cxx) >
The tween method would be the way to go. There might well be other applications for this animation: I'm thinking of pilot animation in particular. So the effort involved could be well worth it. Vivian _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d