KeplerVelocity.hpp

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#ifndef KEPVEL_HPP
#define KEPVEL_HPP 1

#include "../spatial_distribution2d.hpp"
#include <cmath>

enum Direction {xdir,ydir};

class KeplerVelocity : public SpatialDistribution
{
public:
        KeplerVelocity(Direction dir,double Mass,Vector2D const& center=Vector2D(0,0));
        double operator()(const Vector2D& point) const;
private:
        const Direction dir_;
        const double M_;
        const Vector2D center_;
};
#endif //KEPVEL_HPP