Lee Elliott <[EMAIL PROTECTED]> said: > On Friday 13 February 2004 22:27, Jon S Berndt wrote: > > Any chance of modeling wingtip vortices (when CL is high enough above > > some threshhold) and rocket engine exhaust? > > > > :-) > > > > Jon > > If we could actually modify the model objects themselves then we could 'bend' > the trails, and cut down on the number needed. >
Plib supports a "tween" function that does exactly this. It hasn't been added to fgfs animation support yet. Basically if you have two vertices (or identical _sets_ of vertices) positioned at the two extremes of your range of motion, the tween function will move them all proportionately between according to a 0.0 to 1.0 ratio value. Obviously you could bend or stretch or twist, or whatever you wanted to. This would be cool to have. Best, Jim _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
