UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE > Class Template Reference

#include <PolyBezierSpline.h>

Inheritance diagram for UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >:

Public Types
using	Base = TBSpline< VALUETYPE, 3 >
typedef Base::ValueType	ValueType
using	FWindow = typename Base::FWindow
Public Types inherited from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >
using	ValueType = typename TSplineInterface< VALUETYPE >::ValueType
using	FWindow = TStaticArray< const ValueType *, WindowSize >
Public Types inherited from UE::Geometry::Spline::TSplineInterface< VALUETYPE >
typedef VALUETYPE	ValueType

Public Member Functions
	DECLARE_SPLINE_TYPE_ID (TEXT("PolyBezier"), *TSplineValueTypeTraits< VALUETYPE >::Name)
	TPolyBezierSpline ()=default
virtual	~TPolyBezierSpline () override=default
	TPolyBezierSpline (const ValueType &P0, const ValueType &P1, const ValueType &P2, const ValueType &P3, EParameterizationPolicy Parameterization=EParameterizationPolicy::Uniform)
virtual void	Clear () override
virtual TUniquePtr< ISplineInterface >	Clone () const override
float	FindNearestOnSegment (const ValueType &Point, int32 SegmentIndex, float &OutSquaredDistance) const
virtual float	FindNearest (const ValueType &Point, float &OutSquaredDistance) const override
template<int32 Order>
ValueType	EvaluateDerivative (float Parameter) const
bool	SetControlPoints (const TArray< ValueType > &Points, EParameterizationPolicy ParameterizationPolicy)
bool	AddBezierSegments (const TArray< ValueType > &Points, bool bAppend, EParameterizationPolicy ParameterizationPolicy)
int32	AppendBezierSegment (const ValueType &P1, const ValueType &P2, const ValueType &P3, EParameterizationPolicy ParameterizationPolicy=EParameterizationPolicy::Centripetal)
int32	PrependBezierSegment (const ValueType &P0, const ValueType &P1, const ValueType &P2, EParameterizationPolicy ParameterizationPolicy=EParameterizationPolicy::Centripetal)
int32	InsertPointAtPosition (int32 SegmentIndex, const ValueType &Position, EParameterizationPolicy ParameterizationPolicy=EParameterizationPolicy::Centripetal)
int32	InsertPointAtSegmentParam (int32 SegmentIndex, float LocalT, const ValueType &Position, EParameterizationPolicy ParameterizationPolicy=EParameterizationPolicy::Centripetal)
int32	InsertPoint (float Parameter, const ValueType &Position, EParameterizationPolicy ParameterizationPolicy=EParameterizationPolicy::Centripetal)
int32	InsertBezierSegment (float Parameter, const ValueType &P1, const ValueType &P2, const ValueType &P3, EParameterizationPolicy ParameterizationPolicy=EParameterizationPolicy::Centripetal)
bool	RemoveSegment (const int32 SegmentIndex)
bool	RemovePoint (int32 PointIndex)
bool	UpdateSegmentPoint (const int32 SegmentIndex, const int32 PointIndex, const ValueType &NewValue)
bool	UpdateSegment (int32 SegmentIndex, const ValueType &P0, const ValueType &P1, const ValueType &P2, const ValueType &P3)
virtual int32	GetNumberOfSegments () const override
virtual FInterval1f	GetSegmentParameterRange (int32 SegmentIndex) const override
virtual void	Reparameterize (EParameterizationPolicy Mode=EParameterizationPolicy::Centripetal) override
virtual FInterval1f	GetParameterSpace () const override
virtual float	GetParameter (int32 Index) const override
virtual int32	SetParameter (int32 Index, float NewParameter) override
void	FlipSegment (int32 Segment)
virtual int32	FindIndexForParameter (float Parameter, float &OutLocalParam) const override
void	SetClosedLoopFlag (bool bClosed)
virtual void	SetClosedLoop (bool bShouldClose) override
float	MapLocalSegmentParameterToGlobal (int32 SegmentIndex, float LocalParam) const
bool	MapGlobalParameterToLocalSegment (float GlobalParam, int32 &OutSegmentIndex, float &OutLocalParam) const
int32	GetNumDistinctSegments () const
int32	FindSegmentIndex (float Parameter, float &OutLocalParam) const
virtual int32	GetExpectedNumKnots () const override
void	SetKnotVector (const TArray< FKnot > &NewKnots)
Public Member Functions inherited from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >
	DECLARE_SPLINE_TYPE_ID (BSplineNameSelector< DEGREE >::Name, *TSplineValueTypeTraits< VALUETYPE >::Name)
	TBSpline ()=default
virtual	~TBSpline () override=default
void	Dump () const
virtual bool	IsEqual (const ISplineInterface *OtherSpline) const override
virtual bool	Serialize (FArchive &Ar) override
bool	operator== (const TBSpline &Other) const
virtual bool	IsClosedLoop () const override
virtual ValueType	EvaluateImpl (float Parameter) const override
int32	NumKeys () const
const ValueType &	GetValue (int32 Idx) const
int32	AddValue (const ValueType &NewValue)
bool	SetValue (int32 Idx, const ValueType &NewValue)
int32	InsertValue (int32 Idx, const ValueType &NewValue)
virtual bool	RemoveValue (int32 Index)
const TArray< FKnot > &	GetKnotVector () const
const TArray< FKnot > &	GetPairKnots () const
void	ResetKnotVector ()
int32	GetKnotMultiplicity (int32 KnotIndex) const
bool	SetCustomKnots (const TArray< FKnot > &NewKnots)
void	SetClampedEnds (bool bInClampEnds)
bool	IsClampedEnds () const
FInterval1f	GetKnotRange () const
Public Member Functions inherited from UE::Geometry::Spline::TSplineInterface< VALUETYPE >
	TSplineInterface ()
virtual	~TSplineInterface () override=default
ValueType	Evaluate (float Parameter) const
virtual FSplineTypeId::IdType	GetTypeId () const override
virtual FString	GetValueTypeName () const override
virtual void	SetPreInfinityMode (EOutOfBoundsHandlingMode InMode)
virtual void	SetPostInfinityMode (EOutOfBoundsHandlingMode InMode)
virtual EOutOfBoundsHandlingMode	GetPreInfinityMode () const
virtual EOutOfBoundsHandlingMode	GetPostInfinityMode () const
Public Member Functions inherited from UE::Geometry::Spline::ISplineInterface
virtual	~ISplineInterface ()=default
virtual FString	GetImplementationName () const =0

Static Public Member Functions
static TPolyBezierSpline	CreateDefault ()
static TPolyBezierSpline< ValueType >	CreateLine (const ValueType &Start, const ValueType &End)
static TPolyBezierSpline< ValueType >	CreateCircleArc (const ValueType &Center, float Radius, float StartAngle, float EndAngle, int32 NumSegments=4)
static TPolyBezierSpline< ValueType >	CreateCircle (const ValueType &Center, float Radius, int32 NumSegments=4)
static TPolyBezierSpline< ValueType >	CreateEllipse (const ValueType &Center, float RadiusX, float RadiusY, int32 NumSegments=4)
static int32	GetDegree ()
Static Public Member Functions inherited from UE::Geometry::Spline::TSplineInterface< VALUETYPE >
static void	SetTypeName (const FString &InTypeName)

Additional Inherited Members
Static Public Attributes inherited from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >
static constexpr int32	Degree
static constexpr int32	WindowSize
Protected Member Functions inherited from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >
void	SetKnot (int32 KnotIdx, float NewValue)
bool	RemoveKnot (int32 KnotIdx)
void	SwapKnots (int32 KnotIdxA, int32 KnotIdxB)
bool	InsertKnot (FKnot InKnot)
float	GetNearestAvailableKnotValue (const FValidKnotSearchParams &InSearchParams) const
void	GenerateUniformKnots (int32 KnotCount)
void	GenerateChordLengthKnots (int32 KnotCount)
void	GenerateCentripetalKnots (int32 KnotCount)
void	ApplyClampedKnotsMultiplicity ()
void	UpdateFlatKnotsCache () const
void	MarkFlatKnotsCacheDirty () const
void	PrintKnotVector () const
Protected Member Functions inherited from UE::Geometry::Spline::TSplineInterface< VALUETYPE >
float	HandleOutOfBounds (float Parameter) const
Protected Attributes inherited from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >
TArray< ValueType >	Values
TArray< FKnot >	PairKnots
TArray< float >	FlatKnots
bool	bFlatKnotsCacheDirty
bool	bIsClosedLoop
bool	bClampEnds
Protected Attributes inherited from UE::Geometry::Spline::TSplineInterface< VALUETYPE >
EOutOfBoundsHandlingMode	PreInfinityMode = EOutOfBoundsHandlingMode::Zero
EOutOfBoundsHandlingMode	PostInfinityMode = EOutOfBoundsHandlingMode::Zero

Member Typedef Documentation

Base

template<typename VALUETYPE >

using UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::Base = TBSpline<VALUETYPE, 3>

FWindow

template<typename VALUETYPE >

using UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::FWindow = typename Base::FWindow

ValueType

template<typename VALUETYPE >

typedef Base::ValueType UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::ValueType

Constructor & Destructor Documentation

TPolyBezierSpline() [1/2]

template<typename VALUETYPE >

UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::TPolyBezierSpline ( )

default

~TPolyBezierSpline()

template<typename VALUETYPE >

virtual UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::~TPolyBezierSpline ( )

overridevirtualdefault

TPolyBezierSpline() [2/2]

template<typename VALUETYPE >

UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::TPolyBezierSpline ( const ValueType &  P0, const ValueType &  P1, const ValueType &  P2, const ValueType &  P3, EParameterizationPolicy  Parameterization = EParameterizationPolicy::Uniform  )

inline

Member Function Documentation

AddBezierSegments()

template<typename VALUETYPE >

bool UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::AddBezierSegments ( const TArray< ValueType > &  Points, bool  bAppend, EParameterizationPolicy  ParameterizationPolicy  )

inline

Adds multiple Bezier segments to the spline.

Parameters

Storage	- Storage to add the segments to
Points	- Array of control points defining the new segments
bAppend	- If true, append to the end of spline; if false, prepend to the beginning
ParameterizationPolicy	- How to distribute Knots for the new segments

Returns

True if the segments were successfully added

AppendBezierSegment()

template<typename VALUETYPE >

int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::AppendBezierSegment ( const ValueType &  P1, const ValueType &  P2, const ValueType &  P3, EParameterizationPolicy  ParameterizationPolicy = EParameterizationPolicy::Centripetal  )

inline

Appends a Bezier segment using only 3 points (P1, P2, P3) The start point (P0) is automatically inferred from the last point of the previous segment.

Parameters

P1	First control point
P2	Second control point
P3	End point
ParameterizationPolicy	How to distribute Knots

Returns

Index of the new segment

Clear()

template<typename VALUETYPE >

virtual void UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::Clear ( )

inlineoverridevirtual

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

Clone()

template<typename VALUETYPE >

virtual TUniquePtr< ISplineInterface > UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::Clone ( ) const

inlineoverridevirtual

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

CreateCircle()

template<typename VALUETYPE >

static TPolyBezierSpline< ValueType > UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::CreateCircle ( const ValueType &  Center, float  Radius, int32  NumSegments = 4  )

inlinestatic

CreateCircleArc()

template<typename VALUETYPE >

static TPolyBezierSpline< ValueType > UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::CreateCircleArc ( const ValueType &  Center, float  Radius, float  StartAngle, float  EndAngle, int32  NumSegments = 4  )

inlinestatic

CreateDefault()

template<typename VALUETYPE >

static TPolyBezierSpline UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::CreateDefault ( )

inlinestatic

Factory method to create an empty spline with a default segment

CreateEllipse()

template<typename VALUETYPE >

static TPolyBezierSpline< ValueType > UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::CreateEllipse ( const ValueType &  Center, float  RadiusX, float  RadiusY, int32  NumSegments = 4  )

inlinestatic

CreateLine()

template<typename VALUETYPE >

static TPolyBezierSpline< ValueType > UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::CreateLine ( const ValueType &  Start, const ValueType &  End  )

inlinestatic

DECLARE_SPLINE_TYPE_ID()

template<typename VALUETYPE >

UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::DECLARE_SPLINE_TYPE_ID	(	TEXT("PolyBezier")	,
		*TSplineValueTypeTraits< VALUETYPE >::Name
	)

EvaluateDerivative()

template<typename VALUETYPE >

template<int32 Order>

ValueType UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::EvaluateDerivative ( float  Parameter ) const

inline

Evaluate nth derivative at parameter

Template Parameters

Order

- The derivative order (0 = position, 1 = first derivative, etc.)

Parameters

Parameter

- Parameter in spline space

Returns

nth derivative vector

FindIndexForParameter()

template<typename VALUETYPE >

virtual int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::FindIndexForParameter ( float  Parameter, float &  OutLocalParam  ) const

inlineoverridevirtual

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

FindNearest()

template<typename VALUETYPE >

virtual float UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::FindNearest ( const ValueType &  Point, float &  OutSquaredDistance  ) const

inlineoverridevirtual

Finds the nearest parameter value to a point

Parameters

Point	The point to find nearest to
OutSquaredDistance	The squared distance to the nearest point

Returns

The parameter value at the nearest point

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

FindNearestOnSegment()

template<typename VALUETYPE >

float UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::FindNearestOnSegment ( const ValueType &  Point, int32  SegmentIndex, float &  OutSquaredDistance  ) const

inline

FindSegmentIndex()

template<typename VALUETYPE >

int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::FindSegmentIndex ( float  Parameter, float &  OutLocalParam  ) const

inline

FlipSegment()

template<typename VALUETYPE >

void UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::FlipSegment ( int32  Segment )

inline

GetDegree()

template<typename VALUETYPE >

static int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::GetDegree ( )

inlinestatic

GetExpectedNumKnots()

template<typename VALUETYPE >

virtual int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::GetExpectedNumKnots ( ) const

inlineoverridevirtual

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

GetNumberOfSegments()

template<typename VALUETYPE >

virtual int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::GetNumberOfSegments ( ) const

inlineoverridevirtual

Returns the number of Bezier segments in the spline

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

GetNumDistinctSegments()

template<typename VALUETYPE >

int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::GetNumDistinctSegments ( ) const

inline

Gets the number of segments defined by distinct knots

GetParameter()

template<typename VALUETYPE >

virtual float UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::GetParameter ( int32  Index ) const

inlineoverridevirtual

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

GetParameterSpace()

template<typename VALUETYPE >

virtual FInterval1f UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::GetParameterSpace ( ) const

inlineoverridevirtual

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

GetSegmentParameterRange()

template<typename VALUETYPE >

virtual FInterval1f UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::GetSegmentParameterRange ( int32  SegmentIndex ) const

inlineoverridevirtual

Maps a segment index to its parameter range

Parameters

SegmentIndex

- Index of the segment (0-based)

Returns

True if the segment index is valid and mapping succeeded

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

InsertBezierSegment()

template<typename VALUETYPE >

int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::InsertBezierSegment ( float  Parameter, const ValueType &  P1, const ValueType &  P2, const ValueType &  P3, EParameterizationPolicy  ParameterizationPolicy = EParameterizationPolicy::Centripetal  )

inline

Inserts a Bezier segment at the specified parameter

Parameters

ValuesChannel	- Channel to add the segment to
Parameter	Parameter value where to insert the segment (Spline Space)
P1	First control point
P2	Second control point
P3	End point
ParameterizationPolicy	How to distribute Knots

Returns

Index of the new segment

InsertPoint()

template<typename VALUETYPE >

int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::InsertPoint ( float  Parameter, const ValueType &  Position, EParameterizationPolicy  ParameterizationPolicy = EParameterizationPolicy::Centripetal  )

inline

Inserts a point at the specified parameter along the spline. This splits the segment at the parameter value and places the new point at the specified position, which may change the spline shape.

Parameters

Storage	- Storage to add the point to
Parameter	Parameter value where to split the spline
Position	Position for the new point (doesn't need to be on the original curve)
ParameterizationPolicy	How to distribute Knots

Returns

The index of the newly created point

InsertPointAtPosition()

template<typename VALUETYPE >

int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::InsertPointAtPosition ( int32  SegmentIndex, const ValueType &  Position, EParameterizationPolicy  ParameterizationPolicy = EParameterizationPolicy::Centripetal  )

inline

Inserts a point at the closest location on a segment to the given position.

Parameters

SegmentIndex	Index of the segment to split
Position	Position for the new point
ParameterizationPolicy	How to distribute Knots

Returns

The index of the newly created point

InsertPointAtSegmentParam()

template<typename VALUETYPE >

int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::InsertPointAtSegmentParam ( int32  SegmentIndex, float  LocalT, const ValueType &  Position, EParameterizationPolicy  ParameterizationPolicy = EParameterizationPolicy::Centripetal  )

inline

Inserts a point at a specific segment with local parameter. This splits the segment at the specified location and places the new point at the provided position, which may change the spline shape.

Parameters

SegmentIndex	Index of the segment to split
LocalT	Local parameter [0,1] within the segment
Position	Position for the new point
ParameterizationPolicy	How to distribute Knots

Returns

The index of the newly created point

MapGlobalParameterToLocalSegment()

template<typename VALUETYPE >

bool UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::MapGlobalParameterToLocalSegment ( float  GlobalParam, int32 &  OutSegmentIndex, float &  OutLocalParam  ) const

inline

Maps a global parameter to a segment index and local parameter

Parameters

GlobalParam	- Parameter in global space
OutSegmentIndex	- Output segment index
OutLocalParam	- Output local parameter [0,1]

Returns

True if mapping succeeded

MapLocalSegmentParameterToGlobal()

template<typename VALUETYPE >

float UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::MapLocalSegmentParameterToGlobal ( int32  SegmentIndex, float  LocalParam  ) const

inline

Maps a local segment parameter [0,1] to global parameter space

Parameters

SegmentIndex	- Index of the segment
LocalParam	- Local parameter within segment [0,1]

Returns

Parameter value in global space, or 0 if segment is invalid

PrependBezierSegment()

template<typename VALUETYPE >

int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::PrependBezierSegment ( const ValueType &  P0, const ValueType &  P1, const ValueType &  P2, EParameterizationPolicy  ParameterizationPolicy = EParameterizationPolicy::Centripetal  )

inline

Prepends a Bezier segment using only 3 points (P0, P1, P2) The end point (P3) is automatically inferred from the first point of the existing spline.

Parameters

P0	First control point
P1	Second control point
P2	Third control point
ParameterizationPolicy	How to distribute Knots

Returns

Index of the new segment

RemovePoint()

template<typename VALUETYPE >

bool UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::RemovePoint ( int32  PointIndex )

inline

Removes a point from the spline.

Parameters

PointIndex

- Index of the point to remove

RemoveSegment()

template<typename VALUETYPE >

bool UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::RemoveSegment ( const int32  SegmentIndex )

inline

Removes a Bezier segment from the spline

Parameters

Storage	- Storage to remove the segment from
SegmentIndex	- Segment index to remove

Returns

true if successfully removed

Reparameterize()

template<typename VALUETYPE >

virtual void UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::Reparameterize ( EParameterizationPolicy  Mode = EParameterizationPolicy::Centripetal )

inlineoverridevirtual

Reparameterizes the spline based on the provided points and mode

Parameters

Mode	- New parameterization mode
Points	- Array of control points to use for reparameterization

Returns

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

SetClosedLoop()

template<typename VALUETYPE >

virtual void UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::SetClosedLoop ( bool  bShouldClose )

inlineoverridevirtual

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

SetClosedLoopFlag()

template<typename VALUETYPE >

void UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::SetClosedLoopFlag ( bool  bClosed )

inline

Sets the closed loop flag without modifying segments

Parameters

bClosed

Whether the spline should be a closed loop

SetControlPoints()

template<typename VALUETYPE >

bool UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::SetControlPoints ( const TArray< ValueType > &  Points, EParameterizationPolicy  ParameterizationPolicy  )

inline

MANIPULATION METHODS Replaces all control points in the spline with the provided points. For a cubic Bezier spline, the number of points must be a multiple of 4 (or 4N-1 for open splines).

Parameters

Points	- Array of new control points
ParameterizationPolicy	- How to distribute Knots for the new segments

Returns

True if the points were successfully set

SetKnotVector()

template<typename VALUETYPE >

void UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::SetKnotVector ( const TArray< FKnot > &  NewKnots )

inline

SetParameter()

template<typename VALUETYPE >

virtual int32 UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::SetParameter ( int32  Index, float  NewParameter  )

inlineoverridevirtual

Reimplemented from UE::Geometry::Spline::TBSpline< VALUETYPE, 3 >.

UpdateSegment()

template<typename VALUETYPE >

bool UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::UpdateSegment ( int32  SegmentIndex, const ValueType &  P0, const ValueType &  P1, const ValueType &  P2, const ValueType &  P3  )

inline

Updates all control points of a Bezier segment at once

Parameters

SegmentIndex	- Which cubic Bezier segment to update
P0	- Start point of segment
P1	- First control point
P2	- Second control point
P3	- End point of segment

Returns

true if successfully updated

UpdateSegmentPoint()

template<typename VALUETYPE >

bool UE::Geometry::Spline::TPolyBezierSpline< VALUETYPE >::UpdateSegmentPoint ( const int32  SegmentIndex, const int32  PointIndex, const ValueType &  NewValue  )

inline

Updates a single control point within a Bezier segment

Parameters

Storage	- Storage to update the point in
SegmentIndex	- Which cubic Bezier segment (each has 4 points)
PointIndex	- Which point in the segment (0=P0, 1=P1, 2=P2, 3=P3)
NewValue	- New position for the control point

Returns

true if successfully updated

---

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

• Engine/Source/Runtime/GeometryCore/Public/Splines/PolyBezierSpline.h