#ifndef POSITION_H
#define POSITION_H

#include "BASICS.h"

class Vector {

public:

    double x;

    double y;

    double length;

    Vector() :
        x(0.0), y(0.0), length(0.0) {
      // nothing
    }

    Vector(double x, double y) :
        x(x), y(y), length(sqrt(x * x + y * y)) {
      // nothing
    }

    static Vector polar(long degrees, double length) {
      double radians = (double) degrees * DEG_TO_RAD;
      return {
          cos(radians) * length,
          sin(radians) * length,
      };
    }

    Vector plus(double _x, double _y) const {
      return {x + _x, y + _y};
    }

    Vector plus(Vector vector) const {
      return {x + vector.x, y + vector.y};
    }

    Vector minus(double _x, double _y) const {
      return {x - _x, y - _y};
    }

    Vector minus(Vector vector) const {
      return {x - vector.x, y - vector.y};
    }

    Vector multiply(double i) const {
      return {x * i, y * i};
    }

};

#endif