Class Point2D

Engine/source/math/mPoint2.h:193–263

------------------------------------------------------------------------------ 2D high-precision point. Uses F64 internally.

///
/// Uses F64 internally.
class Point2D
{
   //-------------------------------------- Public data
  public:
   F64 x;   ///< X co-ordinate.
   F64 y;   ///< Y co-ordinate.

  public:
   Point2D();                           ///< Create uninitialized point.
   Point2D(const Point2D&);             ///< Copy constructor
   Point2D(F64 _x, F64 _y);             ///< Create point from coordinates.

   //-------------------------------------- Non-math mutators and misc functions
  public:
   void set(F64 _x, F64 _y);            ///< Set point's coordinates.

   void setMin(const Point2D&);         ///< Store lesser co-ordinates.
   void setMax(const Point2D&);         ///< Store greater co-ordinates.

   /// Interpolate from a to b, based on c.
   ///
   /// @param   a   Starting point.
   /// @param   b   Ending point.
   /// @param   c   Interpolation factor (0.0 .. 1.0).
   void interpolate(const Point2D &a, const Point2D &b, const F64 c);

   void zero();                         ///< Zero all values

   operator F64*() { return &x; }
   operator const F64*() const { return &x; }

   //-------------------------------------- Queries
  public:
   bool  isZero() const;
   F64 len()    const;
   F64 lenSquared() const;

   //-------------------------------------- Mathematical mutators
  public:
   void neg();
   void normalize();
   void normalize(F64 val);
   void convolve(const Point2D&);
   void convolveInverse(const Point2D&);

   //-------------------------------------- Overloaded operators
  public:
   // Comparison operators
   bool operator==(const Point2D&) const;
   bool operator!=(const Point2D&) const;

   // Arithmetic w/ other points
   Point2D  operator+(const Point2D&) const;
   Point2D  operator-(const Point2D&) const;
   Point2D& operator+=(const Point2D&);
   Point2D& operator-=(const Point2D&);

   // Arithmetic w/ scalars