Position.h

#ifndef __POSITION_H__
#define __POSITION_H__

namespace df{
	class Position {

	private:
		int x;   // Horizontal coordinate in 2d world.
		int y;   // Vertical coordinate in 2d world.

	public:
		// Create object at 2d location (x,y).
		Position(int init_x, int init_y);

		// Default 2d (x,y) location is (0,0).
		Position();

		// Get/set horizontal coordinate.
		void setX(int new_x);
		int getX() const;

		// Get/set vertical coordinate.
		void setY(int new_y);
		int getY() const;

		// Set horizontal & vertical coordinates.
		void setXY(int new_x, int new_y);

		// returns if positions are equal or not
		bool equalTo(df::Position pos);

		// get the manhattan distance of the positions
		int getManhattanDistance(df::Position pos);

		df::Position getNextAdjacentPosition(df::Position to);
	};
}
#endif