#include <GeneralPolygon2.h>

Public Member Functions
	TGeneralPolygon2 ()

	TGeneralPolygon2 (const TPolygon2< T > &ToSetOuter)

void	SetOuter (const TPolygon2< T > &ToSetOuter)

void	SetOuterWithOrientation (const TPolygon2< T > &ToSetOuter, bool bToSetOuterIsCW)

const TPolygon2< T > &	GetOuter () const

const TArray< TPolygon2< T > > &	GetHoles () const

bool	AddHole (TPolygon2< T > Hole, bool bCheckContainment=true, bool bCheckOrientation=true)

void	ClearHoles ()

bool	HasHoles () const

void	FilterHoles (TFunctionRef< bool(const TPolygon2< T > &)> RemoveHolePredicateFunc)

double	SignedArea () const

double	HoleUnsignedArea () const

double	Perimeter () const

TAxisAlignedBox2< T >	Bounds () const

void	Translate (TVector2< T > translate)

void	Scale (TVector2< T > scale, TVector2< T > origin)

void	Transform (const TFunction< TVector2< T >(const TVector2< T > &)> &TransformFunc)

void	Reverse ()

bool	OuterIsClockwise () const

bool	Contains (TVector2< T > vTest) const

bool	Contains (TPolygon2< T > Poly) const

bool	Intersects (TPolygon2< T > Poly) const

TVector2< T >	GetSegmentPoint (int iSegment, double fSegT, int iHoleIndex=-1) const

TSegment2< T >	Segment (int iSegment, int iHoleIndex=-1) const

TVector2< T >	GetNormal (int iSegment, double segT, int iHoleIndex=-1) const

double	DistanceSquared (TVector2< T > p, int &iHoleIndex, int &iNearSeg, double &fNearSegT) const

void	Simplify (double ClusterTol=0.0001, double LineDeviationTol=0.01)

void	VtxNormalOffset (T OffsetDistance, bool bUseFaceAvg=false)

Protected Attributes
TPolygon2< T >	Outer

bool	bOuterIsCW

TArray< TPolygon2< T > >	Holes

Detailed Description

template<typename T>
class UE::Geometry::TGeneralPolygon2< T >

TGeneralPolygon2 is a 2D polygon with holes

Constructor & Destructor Documentation

◆ TGeneralPolygon2() [1/2]

template<typename T >

UE::Geometry::TGeneralPolygon2< T >::TGeneralPolygon2 ( )

inline

◆ TGeneralPolygon2() [2/2]

template<typename T >

UE::Geometry::TGeneralPolygon2< T >::TGeneralPolygon2 ( const TPolygon2< T > & ToSetOuter )

inline

Construct a general polygon with the given polygon as boundary

Member Function Documentation

◆ AddHole()

template<typename T >

bool UE::Geometry::TGeneralPolygon2< T >::AddHole	(	TPolygon2< T >	Hole,
		bool	bCheckContainment = `true`,
		bool	bCheckOrientation = `true`
	)

inline

◆ Bounds()

template<typename T >

TAxisAlignedBox2< T > UE::Geometry::TGeneralPolygon2< T >::Bounds ( ) const

inline

◆ ClearHoles()

template<typename T >

void UE::Geometry::TGeneralPolygon2< T >::ClearHoles ( )

inline

◆ Contains() [1/2]

template<typename T >

bool UE::Geometry::TGeneralPolygon2< T >::Contains ( TPolygon2< T > Poly ) const

inline

◆ Contains() [2/2]

template<typename T >

bool UE::Geometry::TGeneralPolygon2< T >::Contains ( TVector2< T > vTest ) const

inline

◆ DistanceSquared()

template<typename T >

double UE::Geometry::TGeneralPolygon2< T >::DistanceSquared	(	TVector2< T >	p,
		int &	iHoleIndex,
		int &	iNearSeg,
		double &	fNearSegT
	)		const

inline

◆ FilterHoles()

template<typename T >

void UE::Geometry::TGeneralPolygon2< T >::FilterHoles ( TFunctionRef< bool(const TPolygon2< T > &)> RemoveHolePredicateFunc )

inline

Remove any Hole polygons for which RemoveHolePredicateFunc(Hole) returns true

◆ GetHoles()

template<typename T >

const TArray< TPolygon2< T > > & UE::Geometry::TGeneralPolygon2< T >::GetHoles ( ) const

inline

◆ GetNormal()

template<typename T >

TVector2< T > UE::Geometry::TGeneralPolygon2< T >::GetNormal	(	int	iSegment,
		double	segT,
		int	iHoleIndex = `-1`
	)		const

inline

◆ GetOuter()

template<typename T >

const TPolygon2< T > & UE::Geometry::TGeneralPolygon2< T >::GetOuter ( ) const

inline

◆ GetSegmentPoint()

template<typename T >

TVector2< T > UE::Geometry::TGeneralPolygon2< T >::GetSegmentPoint	(	int	iSegment,
		double	fSegT,
		int	iHoleIndex = `-1`
	)		const

inline

◆ HasHoles()

template<typename T >

bool UE::Geometry::TGeneralPolygon2< T >::HasHoles ( ) const

inline

◆ HoleUnsignedArea()

template<typename T >

double UE::Geometry::TGeneralPolygon2< T >::HoleUnsignedArea ( ) const

inline

◆ Intersects()

template<typename T >

bool UE::Geometry::TGeneralPolygon2< T >::Intersects ( TPolygon2< T > Poly ) const

inline

◆ OuterIsClockwise()

template<typename T >

bool UE::Geometry::TGeneralPolygon2< T >::OuterIsClockwise ( ) const

inline

◆ Perimeter()

template<typename T >

double UE::Geometry::TGeneralPolygon2< T >::Perimeter ( ) const

inline

◆ Reverse()

template<typename T >

void UE::Geometry::TGeneralPolygon2< T >::Reverse ( )

inline

◆ Scale()

template<typename T >

void UE::Geometry::TGeneralPolygon2< T >::Scale	(	TVector2< T >	scale,
		TVector2< T >	origin
	)

inline

◆ Segment()

template<typename T >

TSegment2< T > UE::Geometry::TGeneralPolygon2< T >::Segment	(	int	iSegment,
		int	iHoleIndex = `-1`
	)		const

inline

◆ SetOuter()

template<typename T >

void UE::Geometry::TGeneralPolygon2< T >::SetOuter ( const TPolygon2< T > & ToSetOuter )

inline

◆ SetOuterWithOrientation()

template<typename T >

void UE::Geometry::TGeneralPolygon2< T >::SetOuterWithOrientation	(	const TPolygon2< T > &	ToSetOuter,
		bool	bToSetOuterIsCW
	)

inline

◆ SignedArea()

template<typename T >

double UE::Geometry::TGeneralPolygon2< T >::SignedArea ( ) const

inline

◆ Simplify()

template<typename T >

void UE::Geometry::TGeneralPolygon2< T >::Simplify	(	double	ClusterTol = `0.0001`,
		double	LineDeviationTol = `0.01`
	)

inline

◆ Transform()

template<typename T >

void UE::Geometry::TGeneralPolygon2< T >::Transform ( const TFunction< TVector2< T >(const TVector2< T > &)> & TransformFunc )

inline

◆ Translate()

template<typename T >

void UE::Geometry::TGeneralPolygon2< T >::Translate ( TVector2< T > translate )

inline

◆ VtxNormalOffset()

template<typename T >

void UE::Geometry::TGeneralPolygon2< T >::VtxNormalOffset	(	T	OffsetDistance,
		bool	bUseFaceAvg = `false`
	)

inline

Offset each polygon by the given Distance along vertex "normal" direction (ie for positive offset, outer polygon grows and holes shrink)

Parameters

OffsetDistance	the distance to offset
bUseFaceAvg	if true, we offset by the average-face normal instead of the perpendicular-tangent normal

Member Data Documentation

◆ bOuterIsCW

template<typename T >

bool UE::Geometry::TGeneralPolygon2< T >::bOuterIsCW

protected

◆ Holes

template<typename T >

TArray<TPolygon2<T> > UE::Geometry::TGeneralPolygon2< T >::Holes

protected

The list of Holes in the polygon

◆ Outer

template<typename T >

TPolygon2<T> UE::Geometry::TGeneralPolygon2< T >::Outer

protected

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

Engine/Source/Runtime/GeometryCore/Public/CompGeom/Delaunay2.h
Engine/Source/Runtime/GeometryCore/Public/Curve/GeneralPolygon2.h

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ TGeneralPolygon2() [1/2]

◆ TGeneralPolygon2() [2/2]

Member Function Documentation

◆ AddHole()

◆ Bounds()

◆ ClearHoles()

◆ Contains() [1/2]

◆ Contains() [2/2]

◆ DistanceSquared()

◆ FilterHoles()

◆ GetHoles()

◆ GetNormal()

◆ GetOuter()

◆ GetSegmentPoint()

◆ HasHoles()

◆ HoleUnsignedArea()

◆ Intersects()

◆ OuterIsClockwise()

◆ Perimeter()

◆ Reverse()

◆ Scale()

◆ Segment()

◆ SetOuter()

◆ SetOuterWithOrientation()

◆ SignedArea()

◆ Simplify()

◆ Transform()

◆ Translate()

◆ VtxNormalOffset()

Member Data Documentation

◆ bOuterIsCW

◆ Holes

◆ Outer