eleni@0: #ifndef VECTOR_H_
eleni@0: #define VECTOR_H_
eleni@0: 
eleni@0: class Matrix4x4;
eleni@0: 
eleni@0: class Vector3 {
eleni@0: public:
eleni@0: 	float x,y,z;
eleni@0: 	Vector3();
eleni@0: 	Vector3(float x, float y, float z);
eleni@0: 	void transform(const Matrix4x4 &tm);
eleni@0: 	void printv();
eleni@0: };
eleni@0: 
eleni@0: bool operator < (const Vector3 &a, const Vector3 &b);
eleni@0: bool operator > (const Vector3 &a, const Vector3 &b);
eleni@0: bool operator == (const Vector3 &a, const Vector3 &b);
eleni@0: 
eleni@0: Vector3 operator + (const Vector3 &a, const Vector3 &b);
eleni@0: Vector3 operator - (const Vector3 &a, const Vector3 &b);
eleni@0: Vector3 operator - (const Vector3 &a);
eleni@0: Vector3 operator * (const Vector3 &a, const Vector3 &b);
eleni@0: Vector3 operator * (const Vector3 &a, float b);
eleni@0: Vector3 operator * (float b, const Vector3 &a);
eleni@0: Vector3 operator / (const Vector3 &a, float b);
eleni@0: 
eleni@0: const Vector3 &operator += (Vector3 &a, const Vector3 &b);
eleni@0: 
eleni@0: float length (const Vector3 &a);
eleni@0: float dot (const Vector3 &a, const Vector3 &b);
eleni@0: Vector3 cross (const Vector3 &a, const Vector3 &b);
eleni@0: Vector3 normalize (const Vector3 &a);
eleni@0: 
eleni@0: Vector3 reflect(const Vector3 &v, const Vector3 &n);
eleni@0: 
eleni@0: class Vector4 {
eleni@0: 	public:
eleni@0: 	float x, y, z, w;
eleni@0: 	Vector4();
eleni@0: 	Vector4(float x, float y, float z, float w);
eleni@0: 	void transform(const Matrix4x4 &tm);
eleni@0: 	void printv();
eleni@0: };
eleni@0: 
eleni@0: bool operator < (const Vector4 &a, const Vector4 &b);
eleni@0: bool operator > (const Vector4 &a, const Vector4 &b);
eleni@0: bool operator == (const Vector4 &a, const Vector4 &b);
eleni@0: 
eleni@0: Vector4 operator + (const Vector4 &a, const Vector4 &b);
eleni@0: Vector4 operator - (const Vector4 &a, const Vector4 &b);
eleni@0: Vector4 operator - (const Vector4 &a);
eleni@0: Vector4 operator * (const Vector4 &a, const Vector4 &b);
eleni@0: Vector4 operator * (const Vector4 &a, float b);
eleni@0: Vector4 operator * (float b, const Vector4 &a);
eleni@0: Vector4 operator / (const Vector4 &a, float b);
eleni@0: 
eleni@0: const Vector4 &operator += (Vector4 &a, const Vector4 &b);
eleni@0: 
eleni@0: float length (const Vector4 &a);
eleni@0: float dot (const Vector4 &a, const Vector4 &b);
eleni@0: Vector4 cross (const Vector4 &v1, const Vector4 &v2, const Vector4 &v3);
eleni@0: Vector4 normalize (const Vector4 &a);
eleni@0: 
eleni@0: Vector4 reflect(const Vector4 &v, const Vector4 &n);
eleni@0: 
eleni@0: 
eleni@0: #endif
eleni@0: