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  3. FClothGeometryTools

FClothGeometryTools

Geometry tools operating on cloth collections.

API > API/Plugins > API/Plugins/ChaosClothAsset

Geometry tools operating on cloth collections.

   
Name FClothGeometryTools
Type struct
Header File /Engine/Plugins/ChaosClothAsset/Source/ChaosClothAsset/Public/ChaosClothAsset/ClothGeometryTools.h
Include Path #include "ChaosClothAsset/ClothGeometryTools.h"

Syntax

struct FClothGeometryTools

Functions

Static

Name Remarks Include Path Unreal Specifiers

static void ApplyProxyDeformer ( FCollectionClothFacade& ClothFacade,
bool bIgnoreSkinningBlend,
const TConstArrayView< FVector3f >& SimPositions,
const TConstArrayView< FVector3f >& SimNormals
)

   ChaosClothAsset/ClothGeometryTools.h  

static void ApplyProxyDeformer ( const TSharedRef< FManagedArrayCollection >& ClothCollection,
bool bIgnoreSkinningBlend
)

 Update the render mesh by applying the proxy deformer. ChaosClothAsset/ClothGeometryTools.h  

static void BindMeshToRootBone ( const TSharedRef< FManagedArrayCollection >& ClothCollection,
bool bBindSimMesh,
bool bBindRenderMesh
)

 Set the skinning weights for all of the sim/render vertices in ClothCollection to be bound to the root node. ChaosClothAsset/ClothGeometryTools.h  

static void BuildConnectedSeams ( const TArray< FIntVector2 >& InputStitches,
const UE::Geometry::FDynamicMesh3& Mesh,
TArray< TArray< FIntVector2 > >& Seams
)

 Find sets of connected stitches for the input stitches given in random order. ChaosClothAsset/ClothGeometryTools.h  

static void BuildConnectedSeams2D ( const TSharedRef< const FManagedArrayCollection >& ClothCollection,
int32 SeamIndex,
const UE::Geometry::FDynamicMesh3& Mesh,
TArray< TArray< FIntVector2 > >& Seams
)

 Find sets of connected stitches for the given seam. ChaosClothAsset/ClothGeometryTools.h  

static void BuildSimMeshFromDynamicMesh ( const TSharedRef< FManagedArrayCollection >& ClothCollection,
const UE::Geometry::FDynamicMesh3& DynamicMesh,
int32 UVChannelIndex,
const FVector2f& UVScale,
bool bAppend,
bool bImportNormals,
TArray< int32 >* OutSim2DToSourceIndex
)

 Unwrap and build SimMesh data from a DynamicMesh Normals are only imported if the DynamicMesh has both a UVOverlay and a NormalOverlay ChaosClothAsset/ClothGeometryTools.h  

static void BuildSimMeshFromDynamicMeshes ( const TSharedRef< FManagedArrayCollection >& ClothCollection,
const UE::Geometry::FDynamicMesh3& Mesh2D,
const UE::Geometry::FDynamicMesh3& Mesh3D,
int32 PatternIndexLayerId,
bool bTransferWeightMaps,
bool bTransferSimSkinningData,
bool bAppend,
TMap< int, int32 >& OutDynamicMeshToClothVertexMap
)

 Build (or add to) a ClothCollection Sim Mesh from the given 2D and 3D mesh data. ChaosClothAsset/ClothGeometryTools.h  

static void CleanupAndCompactMesh ( const TSharedRef< FManagedArrayCollection >& ClothCollection
)

 Remove (topologically) degenerate triangles. ChaosClothAsset/ClothGeometryTools.h  

static bool ConvertSelectionToNewGroupType ( const TSharedRef< const FManagedArrayCollection >& ClothCollection,
const FName& SelectionName,
const FName& GroupName,
TSet< int32 >& OutSelectionSet
)

 Get a copy of the selection, converting to the desired group if possible. ChaosClothAsset/ClothGeometryTools.h  

static bool ConvertSelectionToNewGroupType ( const TSharedRef< const FManagedArrayCollection >& ClothCollection,
const FName& SelectionName,
const FName& GroupName,
bool bSecondarySelection,
TSet< int32 >& OutSelectionSet
)

 Get a copy of the selection, converting to the desired group if possible. ChaosClothAsset/ClothGeometryTools.h  

static void CopySimMeshToRenderMesh ( const TSharedRef< FManagedArrayCollection >& ClothCollection,
const FSoftObjectPath& RenderMaterialPathName,
bool bSingleRenderPattern
)

 Turn the sim mesh portion of this ClothCollection into a render mesh. ChaosClothAsset/ClothGeometryTools.h  

static void DeleteRenderMesh ( const TSharedRef< FManagedArrayCollection >& ClothCollection
)

 Delete the render mesh data. ChaosClothAsset/ClothGeometryTools.h  

static void DeleteSelections ( const TSharedRef< FManagedArrayCollection >& ClothCollection,
const FName Group
)

 Remove all selections, or the selections from a specific group if specified. ChaosClothAsset/ClothGeometryTools.h  

static void DeleteSimMesh ( const TSharedRef< FManagedArrayCollection >& ClothCollection
)

 Delete the sim mesh data. ChaosClothAsset/ClothGeometryTools.h  

static void DeleteTethers ( const TSharedRef< FManagedArrayCollection >& ClothCollection
)

 Remove all tethers. ChaosClothAsset/ClothGeometryTools.h  

static TSet< int32 > GenerateKinematicVertices3D ( const TSharedRef< FManagedArrayCollection >& ClothCollection,
const FName& MaxDistanceMap,
const FVector2f& MaxDistanceValues,
const FName& InputKinematicVertices,
float KinematicDistanceThreshold
)

 Generate KinematicVertices3D set from the given MaxDistance weight map, MaxDistance values, and any additional kinematic vertices. ChaosClothAsset/ClothGeometryTools.h  

static bool HasRenderMesh ( const TSharedRef< const FManagedArrayCollection >& ClothCollection
)

 Return whether at least one pattern of this collection has any faces to render. ChaosClothAsset/ClothGeometryTools.h  

static bool HasSimMesh ( const TSharedRef< const FManagedArrayCollection >& ClothCollection
)

 Return whether at least one pattern of this collection has any faces to simulate. ChaosClothAsset/ClothGeometryTools.h  

static void RecalculateRenderMeshNormals ( const TSharedRef< FManagedArrayCollection >& ClothCollection
)

 Recalculate the render mesh normals. ChaosClothAsset/ClothGeometryTools.h  

static void ReverseMesh ( const TSharedRef< FManagedArrayCollection >& ClothCollection,
bool bReverseSimMeshNormals,
bool bReverseSimMeshWindingOrder,
bool bReverseRenderMeshNormals,
bool bReverseRenderMeshWindingOrder,
const TArray< int32 >& SimPatternSelection,
const TArray< int32 >& RenderPatternSelection
)

 Reverse the mesh normals. Will reverse all normals if pattern selection is empty. ChaosClothAsset/ClothGeometryTools.h  

static void SampleVertices ( const TConstArrayView< FVector3f > VertexPositions,
float CullDiameterSq,
TSet< int32 >& OutVertexSet
)

 Use Poisson disk sampling to get a set of evenly-spaced vertices ChaosClothAsset/ClothGeometryTools.h  

static void SelectAllInGroupType ( const TSharedRef< FManagedArrayCollection >& ClothCollection,
const FName& SelectionName,
const FName& GroupName
)

 Create a selection set that selects all members of a group. ChaosClothAsset/ClothGeometryTools.h  

static void TransferWeightMap ( const TConstArrayView< FVector3f >& SourcePositions,
const TConstArrayView< FIntVector3 >& InSourceIndices,
const TConstArrayView< float >& SourceWeights,
const TConstArrayView< FVector3f >& TargetPositions,
const TConstArrayView< FVector3f >& TargetNormals,
const TConstArrayView< FIntVector3 >& InTargetIndices,
const TArrayView< float >& TargetWeights
)

 Transfer a vertex weight map from a source to target mesh ChaosClothAsset/ClothGeometryTools.h  

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