UDocumentation UE5.7 10.02.2026 (Source)
API documentation for Unreal Engine 5.7
GeometryCollectionAlgo.h File Reference

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Classes

struct  GeometryCollectionAlgo::FFaceEdge
 

Namespaces

namespace  GeometryCollectionAlgo
 
namespace  GeometryCollectionAlgo::Private
 

Functions

void GeometryCollectionAlgo::PrintParentHierarchy (const FGeometryCollection *Collection)
 
void GeometryCollectionAlgo::ContiguousArray (TArray< int32 > &Array, int32 Length)
 
void GeometryCollectionAlgo::BuildIncrementMask (const TArray< int32 > &SortedDeletionList, const int32 &Size, TArray< int32 > &Mask)
 
void GeometryCollectionAlgo::BuildLookupMask (const TArray< int32 > &SortedDeletionList, const int32 &Size, TArray< bool > &Mask)
 
void GeometryCollectionAlgo::BuildTransformGroupToGeometryGroupMap (const FGeometryCollection &GeometryCollection, TArray< int32 > &TransformToGeometry)
 
void GeometryCollectionAlgo::BuildFaceGroupToGeometryGroupMap (const FGeometryCollection &GeometryCollection, const TArray< int32 > &TransformToGeometryMap, TArray< int32 > &FaceToGeometry)
 
void GeometryCollectionAlgo::ValidateSortedList (const TArray< int32 > &SortedDeletionList, const int32 &ListSize)
 
bool GeometryCollectionAlgo::HasMultipleRoots (FGeometryCollection *Collection)
 
bool GeometryCollectionAlgo::HasCycle (const TManagedArray< int32 > &Parents, int32 Node)
 
bool GeometryCollectionAlgo::HasCycle (const TManagedArray< int32 > &Parents, const TArray< int32 > &SelectedBones)
 
void GeometryCollectionAlgo::ParentTransform (FManagedArrayCollection *ManagedArrayCollection, const int32 TransformIndex, const int32 ChildIndex)
 
void GeometryCollectionAlgo::ParentTransforms (FManagedArrayCollection *ManagedArrayCollection, const int32 TransformIndex, const TArray< int32 > &SelectedBones)
 
void GeometryCollectionAlgo::UnparentTransform (FManagedArrayCollection *ManagedArrayCollection, const int32 ChildIndex)
 
FVector GeometryCollectionAlgo::AveragePosition (FGeometryCollection *Collection, const TArray< int32 > &Indices)
 
FTransform GeometryCollectionAlgo::GlobalMatrix (const TManagedArray< FTransform > &RelativeTransforms, const TManagedArray< int32 > &Parents, int32 Index)
 
FTransform GeometryCollectionAlgo::GlobalMatrix (const TManagedArray< FTransform3f > &RelativeTransforms, const TManagedArray< int32 > &Parents, int32 Index)
 
FTransform GeometryCollectionAlgo::GlobalMatrix (TArrayView< const FTransform > RelativeTransforms, TArrayView< const int32 > Parents, int32 Index)
 
FTransform GeometryCollectionAlgo::GlobalMatrix (TArrayView< const FTransform3f > RelativeTransforms, TArrayView< const int32 > Parents, int32 Index)
 
FTransform3f GeometryCollectionAlgo::GlobalMatrix3f (const TManagedArray< FTransform3f > &RelativeTransforms, const TManagedArray< int32 > &Parents, int32 Index)
 
void GeometryCollectionAlgo::GlobalMatrices (const TManagedArray< FTransform > &RelativeTransforms, const TManagedArray< int32 > &Parents, const TArray< int32 > &Indices, TArray< FTransform > &Transforms)
 
void GeometryCollectionAlgo::GlobalMatrices (const TManagedArray< FTransform3f > &RelativeTransforms, const TManagedArray< int32 > &Parents, const TArray< int32 > &Indices, TArray< FTransform3f > &Transforms)
 
void GeometryCollectionAlgo::GlobalMatricesFromRoot (const int32 ParentTransformIndex, const TManagedArray< FTransform > &RelativeTransforms, const TManagedArray< TSet< int32 > > &Children, TArray< FMatrix > &Transforms)
 
template<typename MatrixType >
void CHAOS_API GeometryCollectionAlgo::GlobalMatrices (const TManagedArray< FTransform > &RelativeTransforms, const TManagedArray< int32 > &Parents, const TManagedArray< FTransform > &UniformScale, TArray< MatrixType > &Transforms)
 
template<typename MatrixType , typename TransformType >
void CHAOS_API GeometryCollectionAlgo::GlobalMatrices (const TManagedArray< TransformType > &RelativeTransforms, const TManagedArray< int32 > &Parents, TArray< MatrixType > &Transforms)
 
void GeometryCollectionAlgo::GetOverlappedPairs (FGeometryCollection *GeometryCollection, int Level, TSet< TTuple< int32, int32 > > &OutOverlappedPairs)
 
void GeometryCollectionAlgo::PrepareForSimulation (FGeometryCollection *GeometryCollection, bool CenterAtOrigin)
 
void GeometryCollectionAlgo::ReCenterGeometryAroundCentreOfMass (FGeometryCollection *GeometryCollection, bool CenterAtOrigin)
 
void GeometryCollectionAlgo::FindOpenBoundaries (const FGeometryCollection *GeometryCollection, const float CoincidentVertexTolerance, TArray< TArray< TArray< int32 > > > &BoundaryVertexIndices)
 
void GeometryCollectionAlgo::TriangulateBoundaries (FGeometryCollection *GeometryCollection, const TArray< TArray< TArray< int32 > > > &BoundaryVertexIndices, bool bWoundClockwise, float MinTriangleAreaSq)
 
void GeometryCollectionAlgo::AddFaces (FGeometryCollection *GeometryCollection, const TArray< TArray< FIntVector > > &AddFaces)
 
void GeometryCollectionAlgo::ResizeGeometries (FGeometryCollection *GeometryCollection, const TArray< int32 > &FaceCounts, const TArray< int32 > &VertexCounts, bool bDoValidation)
 
void GeometryCollectionAlgo::ComputeCoincidentVertices (const FGeometryCollection *GeometryCollection, const float Tolerance, TMap< int32, int32 > &CoincidentVerticesMap, TSet< int32 > &VertexToDeleteSet)
 
void GeometryCollectionAlgo::DeleteCoincidentVertices (FGeometryCollection *GeometryCollection, float Tolerance)
 
void GeometryCollectionAlgo::ComputeZeroAreaFaces (const FGeometryCollection *GeometryCollection, const float Tolerance, TSet< int32 > &FaceToDeleteSet)
 
void GeometryCollectionAlgo::DeleteZeroAreaFaces (FGeometryCollection *GeometryCollection, float Tolerance)
 
void GeometryCollectionAlgo::ComputeHiddenFaces (const FGeometryCollection *GeometryCollection, TSet< int32 > &FaceToDeleteSet)
 
void GeometryCollectionAlgo::DeleteHiddenFaces (FGeometryCollection *GeometryCollection)
 
void GeometryCollectionAlgo::ComputeStaleVertices (const FGeometryCollection *GeometryCollection, TSet< int32 > &VertexToDeleteSet)
 
void GeometryCollectionAlgo::DeleteStaleVertices (FGeometryCollection *GeometryCollection)
 
void GeometryCollectionAlgo::ComputeEdgeInFaces (const FGeometryCollection *GeometryCollection, TMap< FFaceEdge, int32 > &FaceEdgeMap)
 
void GeometryCollectionAlgo::PrintStatistics (const FGeometryCollection *GeometryCollection)
 
bool GeometryCollectionAlgo::HasValidFacesFor (const FGeometryCollection *GeometryCollection, int32 GeometryIndex)
 
bool GeometryCollectionAlgo::HasValidIndicesFor (const FGeometryCollection *GeometryCollection, int32 GeometryIndex)
 
bool GeometryCollectionAlgo::HasInvalidIndicesFor (const FGeometryCollection *GeometryCollection, int32 GeometryIndex)
 
bool GeometryCollectionAlgo::HasResidualFaces (const FGeometryCollection *GeometryCollection)
 
bool GeometryCollectionAlgo::HasResidualIndices (const FGeometryCollection *GeometryCollection)
 
bool GeometryCollectionAlgo::HasValidGeometryReferences (const FGeometryCollection *GeometryCollection)
 
TArray< int32GeometryCollectionAlgo::ComputeRecursiveOrder (const FManagedArrayCollection &Collection)
 
void GeometryCollectionAlgo::Private::GlobalMatrices (const FGeometryDynamicCollection &DynamicCollection, TArray< FTransform > &OutGlobalTransforms)
 
void GeometryCollectionAlgo::Private::GlobalMatrices (const FGeometryDynamicCollection &DynamicCollection, TArray< FTransform3f > &OutGlobalTransforms)
 
void GeometryCollectionAlgo::Private::GlobalMatrices (const FGeometryDynamicCollection &DynamicCollection, const TArray< int32 > &Indices, TArray< FTransform > &OutGlobalTransforms)
 
FTransform GeometryCollectionAlgo::Private::GlobalMatrix (const FGeometryDynamicCollection &DynamicCollection, int32 Index)