Jonathan Polley writes: > Sorry, I mistyped the incorrect macro. The block of code reads: > > #ifdef FG_WEATHERCM > sgScaleVec3(fFriction, v, cw_envelope * wind_facing_area_of_balloon * > WeatherDatabase->getAirDensity(position) * speed / 2.0); //wind resistance > sgScaleVec3(fLift, gravity_vector, -balloon_envelope_volume * > wdbpos.AirPressure / (287.14 * wdbpos.Temperature)); > #endif > > sgAddVec3(fTotal, fLift); > sgAddVec3(fTotal, fFriction); > > The values for fLift and fFriction are only set if FG_WEATHERCM is defined.
That means that they weren't being set before when FG_NEW_ENVIRONMENT was defined. Personally, I wasn't aware that the balloon sim was even working (it wasn't a year ago), but I'd be happy to patch the file so that it works with or without FG_WEATHERCM -- what would you suggest? All the best, David -- David Megginson, [EMAIL PROTECTED], http://www.megginson.com/ _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
