inline double PointDirection(double x, double y)
{
	double dir = RadToDeg(atan2(y, x));
	//ranges from -180 to 180 so we make it 0 to 360 (-180 == 180)
	if (dir < 0) return dir + 360;
	else return dir;
}
inline double LengthDirX(double Length, double Dir)//get X component
{
	return  cos(DegToRad(Dir))*Length;
}
inline double LengthDirY(double Length, double Dir)//y
{
	return -sin(DegToRad(Dir))*Length;
}

inline double PointDirectionX(double x, double y, double z);
inline double PointDirectionY(double x, double y, double z);
inline double LengthDirX(double Length, double DirX, double DirY);
inline double LengthDirY(double Length, double DirX, double DirY);
inline double LengthDirZ(double Length, double DirX, double DirY);

class Vector2{...};class Vector3{	public:	double x,y,z;	Vector3();	Vector3(double Right[3]);	Vector3(double x, double y, double z);	Vector3(const Vector3 &Right);	Vector3& operator + (const Vector3 &Right) const;	Vector3& operator - (const Vector3 &Right) const;	Vector3& operator * (const double Right) const;	Vector3& operator =  (const double Right[2]);	Vector3& operator =  (const Vector3 &Right);	Vector3& operator += (const Vector3 &Right);	Vector3& operator -= (const Vector3 &Right);	Vector3& operator *= (const double Right);	bool     operator == (const Vector3 &Right) const;	bool     operator != (const Vector3 &Right) const;//need the maths for the functions from here:	void   SetMagDir(double Mag, double DirX, double DirY);//Pitch, Yaw	double GetMagnitude() const;	void   SetMagnitude(double Mag);	void   AddMagnitude(double Mag);	void  TakeMagnitude(double Mag);	//Vectors can not have a DirZ(roll) value	double GetDirX() const;	double GetDirY() const;	void   SetDirection(double DirX, double DirY);//to here....	void   Normalise();	double Dot(const Vector3 &Other) const;	Vector3 Cross(const Vector3 &Other) const;};