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> Unreal Engine API Reference > Runtime > Chaos > Chaos > FTriangleMesh

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FTriangleMesh

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References

Module	Chaos
Header	/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/TriangleMesh.h
Include	#include "Chaos/TriangleMesh.h"

Syntax

class FTriangleMesh

Constructors

	Name	Description
	FTriangleMesh()
	FTriangleMesh ( const FTriangleMesh& Other )
	FTriangleMesh ( FTriangleMesh&& Other )
	FTriangleMesh ( TArray< TVec3< int32 >>&& Elements, const int32 StartIdx, const int32 EndIdx, const bool CullDegenerateElements )

Destructors

	Name	Description
	~FTriangleMesh()

Functions

	Name	Description
void	ExpandVertexRange ( const int32 StartIdx, const int32 EndIdx )	Extends the vertex range.
TMap< int32,...	FindCoincidentVertexRemappings ( const TArray< int32 >& TestIndices, const TConstArrayView< FVec3 >& Po... )	Find vertices that are coincident within the subset
TSet< int32 ...	GetBoundaryPoints()	Get the set of point indices that live on the boundary (an edge with only 1 coincident face).
const TArray...	GetCoincidentTriangles ( const int32 Element )
FTriangleMes...	GetConvexHullFromParticles ( const FParticles& InParticles )	Use TArrayView version.
FTriangleMes...	GetConvexHullFromParticles ( const TConstArrayView< FVec3 >& po... )
TArray< FRea...	GetCurvatureOnEdges ( const TConstArrayView< FVec3 >& po... )	Helper that generates face normals on the fly.
TArray< FRea...	GetCurvatureOnEdges ( const TArray< FVec3 >& faceNormals )	Curvature between adjacent faces, specified on edges in radians.
TArray< FRea...	GetCurvatureOnPoints ( const TConstArrayView< FVec3 >& po... )	Helper that generates edge curvatures on the fly.
TArray< FRea...	GetCurvatureOnPoints ( const TArray< FReal >& edgeCurvatu... )	The maximum curvature at points from connected edges, specified in radians.
const TArray...	GetEdgeToFaces()	A map from all edge indices, to the indices of their containing faces.
TArray< TVec...	GetElements()	Move accessor for topology array.
const TArray...	GetElements()
void	GetFaceNormals ( TArray< FVec3 >& Normals, const TConstArrayView< FVec3 >& Po..., const bool ReturnEmptyOnError )	The GetFaceNormals functions assume Counter Clockwise triangle windings in a Left Handed coordinate system If this is not the case the returned face normals may be inverted
TArray< FVec...	GetFaceNormals ( const FParticles& InParticles, const bool ReturnEmptyOnError )	The GetFaceNormals functions assume Counter Clockwise triangle windings in a Left Handed coordinate system If this is not the case the returned face normals may be inverted
TArray< FVec...	GetFaceNormals ( const TConstArrayView< FVec3 >& Po..., const bool ReturnEmptyOnError )	The GetFaceNormals functions assume Counter Clockwise triangle windings in a Left Handed coordinate system If this is not the case the returned face normals may be inverted
const TArray...	GetFaceToEdges()	A map from all face indices, to the indices of their associated edges.
const TSet< ...	GetNeighbors ( const int32 Element )
TSet< int32 ...	GetNRing ( const int32 Element, const int32 N )
int32	GetNumElements()
void	GetPointNormals ( TArrayView< FVec3 > PointNormals, const TConstArrayView< FVec3 >& Fa..., const bool bUseGlobalArray )	Get per-point normals. This const version of this function requires `GetPointToTriangleMap()_ to be called prior to invoking this function.
void	GetPointNormals ( TArrayView< FVec3 > PointNormals, const TConstArrayView< FVec3 >& Fa..., const bool bUseGlobalArray )
TArray< FVec...	GetPointNormals ( const FParticles& InParticles, const bool ReturnEmptyOnError )
TArray< FVec...	GetPointNormals ( const TConstArrayView< FVec3 >& po..., const bool ReturnEmptyOnError )
const TMap< ...	GetPointToNeighborsMap()
TConstArrayV...	GetPointToTriangleMap()
FSegmentMesh...	GetSegmentMesh()	The connectivity of this mesh represented as a collection of unique segments.
TArray< TVec...	GetSurfaceElements()	Move accessor for topology array.
const TArray...	GetSurfaceElements()
TArray< Chao...	GetUniqueAdjacentElements()	Return the array of bending element indices {i0, i1, i2, i3}, with {i0, i1} the segment indices and {i2, i3} the cross segment indices.
TArray< Chao...	GetUniqueAdjacentPoints()	Return the array of all cross segment indices for all pairs of adjacent triangles.
TArray< int3...	GetVertexImportanceOrdering ( const TConstArrayView< FVec3 >& Po..., const TArray< FReal >& PointCurvat..., TArray< int32 >* CoincidentVer..., const bool RestrictToLocalIndexRang... )	An array of vertex indices ordered from most important to least.
TArray< int3...	GetVertexImportanceOrdering ( const TConstArrayView< FVec3 >& Po..., TArray< int32 >* CoincidentVer..., const bool RestrictToLocalIndexRang... )	Helper that generates point curvatures on the fly.
TVec2< int32...	GetVertexRange()	Returns the closed interval of the smallest vertex index used by this class, to the largest.
void	GetVertexSet ( TSet< int32 >& VertexSet )	Returns the unique set of vertices used by this triangle mesh.
TSet< int32 ...	GetVertices()	Returns the set of vertices used by triangles.
void	Init ( TArray< TVec3< int32 >>&& Elements, const int32 StartIdx, const int32 EndIdx, const bool CullDegenerateElements )	Initialize the `FTriangleMesh_.
void	Init ( const TArray< TVec3< int32 >>& Ele..., const int32 StartIdx, const int32 EndIdx, const bool CullDegenerateElements )	Initialize the `FTriangleMesh_.
void	InitEquilateralTriangleXY ( FTriangleMesh& TriMesh, FParticles& Particles )
void	InitEquilateralTriangleYZ ( FTriangleMesh& TriMesh, FParticles& Particles )
void	RemapVertices ( const TMap< int32, int32 >& Remapp... )	Reorder vertices according to.
void	RemapVertices ( const TArray< int32 >& Order )	Reorder vertices according to.
void	RemoveDegenerateElements()
void	RemoveDuplicateElements()
void	ResetAuxiliaryStructures()

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