epr24pr42-ojanssen2/Vector2d.cpp

#include "Vector2d.h"

namespace game
{
  Vector2d::Vector2d(const int x, const int y)
  {
    this->x = x;
    this->y = y;
  }

  void Vector2d::update(const int& x, const int& y)
  {
    this->x = x;
    this->y = y;
  }

  void Vector2d::change_x(const int& amount) {
      this->x += amount;
  }

  void Vector2d::change_y(const int& amount) {
      this->y += amount;
  }

  Vector2d Vector2d::normalize() {
      Vector2d v = *this;
      if (v.x < 0)
          v.x *= -1;
      if (v.y < 0)
          v.y *= -1;
      return v;
  }

  bool Vector2d::eq(const Vector2d& position) const {
      return this->x == position.x && this->y == position.y;
  }


  Vector2d Vector2d::get_new_updated(const int& diff_x, const int& diff_y) const {
      Vector2d new_position = *this;
      new_position.change_x(diff_x);
      new_position.change_y(diff_y);

      return new_position;
  }

} // game