//
// vector2d.h
//
// A vector in 2d space
//
// Copyright (C) J. Belson	2000.12.16
//


#ifndef _VECTOR2D_H_
#define _VECTOR2D_H_

#include <iostream>


/**
 * Represents a vector in 2d space
 */
class vector2d {

private:

public:
	float	i, j;

	vector2d(float i, float j);
	vector2d() {};

	float		dot_product(vector2d &v);

// Not defined in two dimensions??
//	vector3d	vector_product(vector2d &v);
	float		magnitude(void);
	void		normalise(void);
	void		rotate(float radians);
	void		print(void) { std::cout << "(" << i << ", " << j << ")" << std::endl; }; 

	vector2d operator+(vector2d v);
	vector2d operator*(float f);

	friend std::ostream& operator<<(std::ostream& str, vector2d& v);

	void		dump(void);
};


#endif	// _VECTOR3D_H_