vector2f files

1 files changed, 74 insertions, 0 deletions

diff --git a/src/math/vector2f.h b/src/math/vector2f.h
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+++ b/src/math/vector2f.h
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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__
+