Line data    Source code

       1             : /* SpeedToFly class by Samuel Tabor, 2021.
       2             : 
       3             : Calculates the optimal speed to fly given drag polar, expected climb rate in next thermal and
       4             : horizontal and vertical air movement between thermals.
       5             : */
       6             : #pragma once
       7             : 
       8             : #include "Variometer.h"
       9             : 
      10             : class SpeedToFly {
      11             : 
      12             :     float _CL_estimate = -1.0f;
      13             : 
      14             :     const Variometer::PolarParams &_polarParams;
      15             : 
      16             : public:
      17         692 :     SpeedToFly(const Variometer::PolarParams &polarParams) :_polarParams(polarParams) {}
      18             : 
      19             :     void update(float Wx, float Wz, float Wexp, float CLmin, float CLmax);
      20             : 
      21       34752 :     float speed_to_fly(void) {return _CL_estimate>0 ? sqrtf(_polarParams.K/_CL_estimate) : -1.0f;};
      22             : };