FDelaunayTriangleGenerator Class Reference

#include <BlendSpaceHelpers.h>

Public Types
enum	ECircumCircleState { ECCS_Outside = -1 , ECCS_On = 0 , ECCS_Inside = 1 }

Public Member Functions
void	Reset ()
void	EmptyTriangles ()
void	EmptySamplePoints ()
void	Triangulate (EPreferredTriangulationDirection PreferredTriangulationDirection)
TArray< struct FBlendSpaceTriangle >	CalculateTriangles () const
void	AddSamplePoint (const FVector2D &NewPoint, const int32 SampleIndex)
void	Step (int32 StartIndex)
	~FDelaunayTriangleGenerator ()
const TArray< FTriangle * > &	GetTriangleList () const
const TArray< FVertex > &	GetSamplePointList () const
void	SetGridBox (const FBlendParameter &BlendParamX, const FBlendParameter &BlendParamY)

Detailed Description

Generates triangles from sample point using Delaunay Triangulation, TriangleList contains the list of triangle after generated.

Member Enumeration Documentation

ECircumCircleState

enum FDelaunayTriangleGenerator::ECircumCircleState

Enumerator
ECCS_Outside
ECCS_On
ECCS_Inside

Constructor & Destructor Documentation

~FDelaunayTriangleGenerator()

FDelaunayTriangleGenerator::~FDelaunayTriangleGenerator ( )

inline

Member Function Documentation

AddSamplePoint()

void FDelaunayTriangleGenerator::AddSamplePoint	(	const FVector2D &	NewPoint,
		const int32	SampleIndex
	)

Add new sample point to SamplePointList and its corresponding sample index in the blendspace It won't be added if already exists

CalculateTriangles()

TArray< struct FBlendSpaceTriangle > FDelaunayTriangleGenerator::CalculateTriangles

(

)

const

Converts from our internal representation to the runtime triangles

EmptySamplePoints()

void FDelaunayTriangleGenerator::EmptySamplePoints

(

)

EmptyTriangles()

void FDelaunayTriangleGenerator::EmptyTriangles

(

)

GetSamplePointList()

const TArray< FVertex > & FDelaunayTriangleGenerator::GetSamplePointList ( ) const

inline

Get SamplePointList

GetTriangleList()

const TArray< FTriangle * > & FDelaunayTriangleGenerator::GetTriangleList ( ) const

inline

Get TriangleList

Reset()

void FDelaunayTriangleGenerator::Reset

(

)

Reset all data

SetGridBox()

void FDelaunayTriangleGenerator::SetGridBox	(	const FBlendParameter &	BlendParamX,
		const FBlendParameter &	BlendParamY
	)

Step()

void FDelaunayTriangleGenerator::Step

(

int32

StartIndex

)

This is for debug purpose to step only one to triangulate StartIndex should increase manually

Triangulate()

void FDelaunayTriangleGenerator::Triangulate

(

EPreferredTriangulationDirection

PreferredTriangulationDirection

)

Generate triangles from SamplePointList

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

• Engine/Source/Runtime/Engine/Private/Animation/BlendSpaceHelpers.h
• Engine/Source/Runtime/Engine/Private/Animation/BlendSpaceHelpers.cpp