+private:
+ void Run(double dt);
+ double get_strength_fac(double alt_frac);
+ double max_strength;
+ double strength;
+ double diameter;
+ double height;
+ double factor;
+ double alt_rel;
+ double alt;
+ double v_up_max;
+ double v_up_min;
+ double r_up_frac;
+ double cycle_timer;
+ double dt_count;
+ double time;
+ double xx;
+ double ground_elev_ft; // ground level in ft
+ double altitude_agl_ft; // altitude above ground in feet
+ bool do_agl_calc;
+ bool is_forming;
+ bool is_formed;
+ bool is_dying;
+ bool is_dead;
+ SGPropertyNode_ptr _surface_wind_from_deg_node;
+ SGPropertyNode_ptr _surface_wind_speed_node;
+ SGPropertyNode_ptr _aloft_wind_from_deg_node;
+ SGPropertyNode_ptr _aloft_wind_speed_node;