#include <simgear/compiler.h>
-#include <Main/fgfs.hxx>
-
#ifdef SG_HAVE_STD_INCLUDES
# include <cmath>
#else
# include <math.h>
#endif
-class SGInterpTable;
-
/**
* Model the natural environment.
FGEnvironment();
FGEnvironment (const FGEnvironment &environment);
virtual ~FGEnvironment();
+
+ virtual void copy (const FGEnvironment &environment);
+
+ virtual void read (const SGPropertyNode * node);
virtual double get_visibility_m () const;
virtual double get_wind_from_east_fps () const;
virtual double get_wind_from_down_fps () const;
+ virtual double get_turbulence_magnitude_norm () const;
+ virtual double get_turbulence_rate_hz () const;
+
virtual void set_visibility_m (double v);
virtual void set_temperature_sea_level_degc (double t);
virtual void set_wind_from_east_fps (double e);
virtual void set_wind_from_down_fps (double d);
-protected:
-
- friend class FGEnvironmentMgr;
+ virtual void set_turbulence_magnitude_norm (double t);
+ virtual void set_turbulence_rate_hz (double t);
virtual double get_elevation_ft () const;
virtual void set_elevation_ft (double elevation_ft);
private:
- void _setup_tables ();
-
void _recalc_hdgspd ();
void _recalc_ne ();
void _recalc_alt_pressure ();
void _recalc_density ();
- SGInterpTable * _temperature_degc_table;
- SGInterpTable * _pressure_inhg_table;
-
double elevation_ft;
double visibility_m;
double pressure_inhg;
double density_slugft3;
+ double turbulence_magnitude_norm;
+ double turbulence_rate_hz;
+
double wind_from_heading_deg;
double wind_speed_kt;
};
+void interpolate (const FGEnvironment * env1, const FGEnvironment * env2,
+ double fraction, FGEnvironment * result);
+
#endif // _ENVIRONMENT_HXX