1 files changed, 58 insertions, 26 deletions

diff --git a/src/math/vector2f.h b/src/math/vector2f.h
index 87f61a8..6029b3c 100644
--- a/src/math/vector2f.h
+++ b/src/math/vector2f.h
@@ -9,62 +9,94 @@
 
 #include <iostream>
 
-namespace math {
+namespace math
+{
 
 /// a point or vector in 2D space
-class Vector2f {
+class Vector2f
+{
 
 public:
 	/// default constructor
 	Vector2f();
+	
 	/// assignment constructor
-	Vector2f(float const x, float const y);
+	Vector2f(const float x, const float y);
+	
 	/// copy constructor
-	Vector2f(Vector2f const &other);
-
+	Vector2f(const Vector2f &other);
+	
 	/// assign (0,0)
 	void clear();
-
+	
 	/// assignment operator
-	void assign(float const x, float const y);
+	void assign(const float x, const float y);
+	
 	/// assignment operator
-	void assign(Vector2f const &other);
-
+	void assign(const Vector2f &other);
+	
 	/// assignment operator
-	Vector2f & operator=(Vector2f const &other);
-
+	Vector2f & operator=(const Vector2f &other);
+	
 	/// vector subtraction
-	Vector2f & operator-=(Vector2f const &other);
-
+	Vector2f & operator-=(const Vector2f &other);
+	
 	/// vector sum
-	Vector2f & operator+=(Vector2f const &other);
-
+	Vector2f & operator+=(const Vector2f &other);
+	
 	/// vector subtraction
-	Vector2f operator-(Vector2f const &other) const;
-
+	inline Vector2f operator+(const Vector2f &other) const {
+		Vector2f v(coord[0] + other.coord[0], coord[1]+other.coord[1]);
+		return v;
+	}
+	
 	/// vector sum
-	Vector2f operator+(Vector2f const &other) const;
-
-
+	inline Vector2f operator-(const Vector2f &other) const {
+		Vector2f v(coord[0] - other.coord[0], coord[1] - other.coord[1]);
+		return v;
+	}
+	
+	/// scalar product
+	inline Vector2f operator*(const float scalar) const {
+		Vector2f v(coord[0]*scalar, coord[1]*scalar);
+		return v;
+	}
+	
+	/// scalar division
+	inline Vector2f operator/(const float scalar) const {
+		Vector2f v(coord[0]/scalar, coord[1]/scalar);
+		return v;
+	}
+	
 	/// 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; }
-
+	inline float *ptr() const {
+		return (float *) coord;
+	}
+	
+	inline bool contains(const Vector2f &other) const {
+		return ((other.coord[0] >= 0) && (other.coord[1] >= 0) && (other.coord[0] <= coord[0]) && (other.coord[1] <= coord[1]));
+	}
+	
+	inline bool contains(float x, float y) const {
+		return ((x >= 0) && (y >= 0) && (x <= coord[0]) && (y <= coord[1]));
+	}
+	
 	/// x coordinate
 	float &x;
-
+	
 	/// y coordinate
 	float &y;
-
+	
 private:
 	float coord[2];
 };