xphysics.h

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#pragma once

#include "xunits.h"
#include <gsl/gsl_const_mksa.h>

namespace nmx {

namespace gravitation {

//Astronomische Daten
struct Astronomy {
    inline static double G{ GSL_CONST_MKSA_GRAVITATIONAL_CONSTANT };
};

//Erddaten
struct Earth {
    inline static constexpr double g{ GSL_CONST_MKSA_GRAV_ACCEL };
    inline static constexpr double mass{ 5.9722e24 };
    //zur Initialisierung des Erdradius wird das benutzerdefinierte
    // Literal km benutzt
    inline static constexpr double radius{ 6378.137_km };
};
} // namespace gravitation

struct Mechanics {
    inline static double kinetic_energy(double mass, double velocity) {
        return 0.5 * mass * pow(velocity, 2);
    }

    inline static double potential_energy(double mass, double height) {
        return mass * gravitation::Earth::g * height;
    }
}; //Mechanics
} // namespace nmx