Kaim::Vec2i Class Reference

#include <vec2i.h>

Class Description

2d vector using KyInt32

Examples:

Inherited by Kaim::RasterPoint.

Functions
	Vec2i ()
	Constructs x=0.0f, y=0.0f. More...
	Vec2i (KyInt32 _x, KyInt32 _y)
	Constructs x=_x, y=_y. More...
	Vec2i (KyInt32 *coords)
	Constructs x=coords[0], y=coords[1]. More...
void	Set (KyInt32 _x, KyInt32 _y)
	Sets x=_x and y=_y. More...
void	Set (KyInt32 *coords)
	Sets x=coords[0], y=coords[1]. More...
void	Clear ()
	Sets x = 0 and y = 0. More...

Operators
KyInt32 &	operator[] (KyInt32 idx)
KyInt32	operator[] (KyInt32 idx) const
bool	operator== (const Vec2i &v) const
bool	operator!= (const Vec2i &v) const
bool	operator< (const Vec2i &v) const
	x is compared first. ex: {1, 5} < {2, 0}. More...
bool	operator<= (const Vec2i &v) const
bool	operator> (const Vec2i &v) const
bool	operator>= (const Vec2i &v) const
Vec2i &	operator*= (KyInt32 s)
Vec2i &	operator/= (KyInt32 d)
Vec2i &	operator+= (const Vec2i &v)
Vec2i &	operator-= (const Vec2i &v)
Vec2i	operator* (KyInt32 s) const
Vec2i	operator/ (KyInt32 d) const
Vec2i	operator+ (const Vec2i &v) const
Vec2i	operator- (const Vec2i &v) const
Vec2i	operator- () const

SquareLength
KyInt64	SqLength () const
KyInt64	SqLength_15bits () const
bool	IsZero () const

Offset
Vec2i	OffsetX (KyInt32 dx) const
	Returns {x + dx, y}. More...
Vec2i	OffsetY (KyInt32 dy) const
	Returns {x, y + dy}. More...
Vec2i	Offset (KyInt32 dx, KyInt32 dy) const
	Returns {x + dx, y + dy}. More...

Rotation
Vec2i	PerpCCW () const
Vec2i	PerpCW () const

Side
KyInt64	Orient2d (const Vec2i &A, const Vec2i &B) const
	CrossProduct(MA, MB) where M=*this. More...
bool	IsOnLeftSide (const Vec2i &A, const Vec2i &B) const
bool	IsStrictlyOnLeftSide (const Vec2i &A, const Vec2i &B) const

IsInside
bool	IsInsideTriangle (const Vec2i &A, const Vec2i &B, const Vec2i &C) const
bool	IsInsideNotColinearTriangle (const Vec2i &A, const Vec2i &B, const Vec2i &C) const
bool	IsStrictlyInsideTriangle (const Vec2i &A, const Vec2i &B, const Vec2i &C) const

Zero, Unit
static Vec2i	Zero ()
static Vec2i	UnitX ()
static Vec2i	UnitY ()

Neighbors
Vec2i	NeighborEast () const
Vec2i	NeighborWest () const
Vec2i	NeighborNorth () const
Vec2i	NeighborSouth () const
void	NeighborEast (Vec2i &neighbor) const
void	NeighborWest (Vec2i &neighbor) const
void	NeighborNorth (Vec2i &neighbor) const
void	NeighborSouth (Vec2i &neighbor) const
Vec2i	Neighbor (CardinalDir dir) const
void	Neighbor (CardinalDir dir, Vec2i &neighbor) const
Vec2i	NeighborNorthEast () const
Vec2i	NeighborNorthWest () const
Vec2i	NeighborSouthEast () const
Vec2i	NeighborSouthWest () const

Data
KyInt32	x
KyInt32	y

Constructor & Destructor Documentation

Kaim::Vec2i::Vec2i ( )

inline

Constructs x=0.0f, y=0.0f.

Kaim::Vec2i::Vec2i ( KyInt32  _x, KyInt32  _y  )

inline

Constructs x=_x, y=_y.

Kaim::Vec2i::Vec2i ( KyInt32 *  coords )

inlineexplicit

Constructs x=coords[0], y=coords[1].

Member Function Documentation

void Kaim::Vec2i::Clear ( )

inline

Sets x = 0 and y = 0.

Vec2i Kaim::Vec2i::Offset ( KyInt32  dx, KyInt32  dy  ) const

inline

Returns {x + dx, y + dy}.

Vec2i Kaim::Vec2i::OffsetX ( KyInt32  dx ) const

inline

Returns {x + dx, y}.

Vec2i Kaim::Vec2i::OffsetY ( KyInt32  dy ) const

inline

Returns {x, y + dy}.

bool Kaim::Vec2i::operator< ( const Vec2i &  v ) const

inline

x is compared first. ex: {1, 5} < {2, 0}.

KyInt64 Kaim::Vec2i::Orient2d ( const Vec2i &  A, const Vec2i &  B  ) const

inline

CrossProduct(MA, MB) where M=*this.

void Kaim::Vec2i::Set ( KyInt32  _x, KyInt32  _y  )

inline

Sets x=_x and y=_y.

void Kaim::Vec2i::Set ( KyInt32 *  coords )

inline

Sets x=coords[0], y=coords[1].

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The documentation for this class was generated from the following file:

• gwnavruntime/math/vec2i.h