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C:/temp/src/j2k/Deprecated/old_18mar_diff/Vector/Vector2D.hpp

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#ifndef __J2K__JVector2D_HPP__
#define __J2K__JVector2D_HPP__

#define MATH_PI 3.141592653589793238462643

class JVector2D {
public:
  JVector2D();
  JVector2D( const JVector2D& v );
  JVector2D( const double x, const double y );

  JVector2D& operator=( const JVector2D& v );

  BOOL operator==( const JVector2D& v ) const;
  BOOL operator!=( const JVector2D& v ) const;

  friend JVector2D operator+( const JVector2D& left, const JVector2D& right );
  friend JVector2D operator-( const JVector2D& left, const JVector2D& right );
  friend JVector2D operator*( const JVector2D& left, const JVector2D& right );
  friend JVector2D operator/( const JVector2D& left, const JVector2D& right );

  friend JVector2D operator*( const JVector2D& left, const double r );
  friend JVector2D operator/( const JVector2D& left, const double r );

  void operator+=( const JVector2D& v );
  void operator-=( const JVector2D& v );
  void operator*=( const JVector2D& v );
  void operator/=( const JVector2D& v );

  void operator*=( const double r );
  void operator/=( const double r );

  double X() const;
  double X( const double x );
  double Y() const;
  double Y( const double y );

  void Set( const double x, const double y );

  BOOL bAtOrg() const;
  double Magnitude() const;

  void Negate();
  void Normalize();
  void Square();
  void ToRadians();


  friend double   Dot( const JVector2D& left, const JVector2D& right );

  friend JVector2D vecHalfBetween( const JVector2D& left,
                                  const JVector2D& right );

private:
  double X;
  double Y;
};

// ---------------------------------------------------------------------------
//  Typedef the vector to TFPoint so that it can be more self documenting
//  when used as a point in a floating point space.
// ---------------------------------------------------------------------------
typedef JVector2D   TFPoint;

#endif

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