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/*
math/vector2f.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_MATH_VECTOR2F_H__
#define __INCLUDED_MATH_VECTOR2F_H__
#include <iostream>
namespace math {
/// a point or vector in 2D space
class Vector2f {
public:
/// default constructor
Vector2f();
/// assignment constructor
Vector2f(float const x, float const y);
/// copy constructor
Vector2f(Vector2f const &other);
/// assign (0,0)
void clear();
/// assignment operator
void assign(float const x, float const y);
/// assignment operator
void assign(Vector2f const &other);
/// assignment operator
Vector2f & operator=(Vector2f const &other);
/// vector subtraction
Vector2f & operator-=(Vector2f const &other);
/// vector sum
Vector2f & operator+=(Vector2f const &other);
/// vector subtraction
Vector2f operator-(Vector2f const &other) const;
/// vector sum
Vector2f operator+(Vector2f const &other) const;
/// array operator
inline float& operator[](const size_t index) {
return coord[index];
}
/// array operator
inline float operator[](const size_t index) const {
return coord[index];
}
/// a pointer to the internal data
inline float *ptr() const { return (float *) coord; }
/// x coordinate
float &x;
/// y coordinate
float &y;
private:
float coord[2];
};
}
#endif // __INCLUDED_MATH_VECTOR2F_H__
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