----- "leee" a écrit : > On Sunday 28 Feb 2010, Frederic Bouvier wrote: > > What do you think of this effect : > > > > http://www.youtube.com/watch?v=kUyH-4c0-qM > > http://www.youtube.com/watch?v=wYb1Vy-uTS0 > > > > and a screenshot : > > http://frbouvi.free.fr/flightsim/fgfs-shader-test.jpg > > > > Regards, > > -Fred > > Overlaying a geometry shader on the FG scenery is pretty cool: is > there the scope to tune it to the terrain gradient i.e. adapt the > shader according to the steepness of the terrain slope?
This is not a geometry shader, but a relief mapping effect. I am not fully happy with the result yet, but the relief map (normals + heightfield in a RGBA texture) was quickly made. City from low altitude : http://frbouvi.free.fr/flightsim/fgfs-city-relief.jpg I'll bet a better artist than me could do a better job. You can test it if you install the normal map plugin for the GIMP (http://registry.gimp.org/node/69) -Fred -- Frédéric Bouvier http://my.fotolia.com/frfoto/ Photo gallery - album photo http://fgsd.sourceforge.net/ FlightGear Scenery Designer ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
