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FGroupTopologyLaplacianDeformer

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Inheritance Hierarchy

FGroupTopologyDeformer

FGroupTopologyLaplacianDeformer

References

Module	MeshModelingTools
Header	/Engine/Plugins/Experimental/MeshModelingToolset/Source/MeshModelingTools/Public/DeformMeshPolygonsTool.h
Include	#include "DeformMeshPolygonsTool.h"

Syntax

class FGroupTopologyLaplacianDeformer : public FGroupTopologyDeformer

Variables

	Name	Description
FAsyncTaskExecu...	AsyncMeshDeformTask	Asynchronous task object.
bool	bDeformerNeedsToRun	This is set to true whenever the user interacts with the tool under laplacian deformation mode.
bool	bLocalize
bool	bPostfixHandles	When true, tells the solver to attempt to postfix the actual position of the handles to the constrained position
bool	bTaskSubmeshIsDirty	Need to update the task with the current submesh
bool	bVertexPositionsNeedSync	This is set to false only after 1) the asynchronous deformation task is complete 2) the main thread has seen it complete, and 3) the main thread updates the vertex positions of the mesh one last time
double	HandleWeights	The weight which will be applied to the constraints corresponding to the handle vertices.
TArray< FDeform...	SrcMeshConstraintBuffer	Stores the position of the vertex constraints and corresponding weights for the entire mesh.
TArray< int32 >	SubsetIDBuffer	Array of vertex indices organized in groups of three - basically an index buffer - that defines the subset of the mesh that the deformation task will work on.

Constructors

	Name	Description
	FGroupTopologyLaplacianDeformer()

Destructors

	Name	Description
	~FGroupTopologyLaplacianDeformer()

Functions

	Name	Description
void	ExportDeformedPositions ( FDynamicMesh3* TargetMesh )	Updates the vertex positions of the mesh with the result from the last deformation solve.
const TArray...	GetROIFaces()
void	InitBackgroundWorker ( const ELaplacianWeightScheme Weight... )	Allocates shared storage for use in task synchronization
void	InitializeConstraintBuffer()	Sets the SrcMeshConstraintBuffer to have a size of MaxVertexID, and initializes with the current mesh positions, but weight zero
bool	IsDone()	Returns true if the asynchronous task has finished.
bool	IsTaskInFlight()	Capture data about background task state.
void	RecordModifiedVertex ( int32 VertexID )	Used to iteratively add to the active change set (TSet<>)
void	RecordModifiedVertices ( const ValidSetAppendContainerType&... )	Change tracking
void	ResetModifiedVertices()	Used to begin a procedural addition of modified vertices
void	Shutdown()	Triggers abort on task and passes off ownership to deleter object
bool	UpdateAndLaunchdWorker ( const ELaplacianWeightScheme Weight..., const FRichCurve* Curve )	Coordinates the background tasks. Returns false if the worker was already running
void	UpdateSelection ( const FDynamicMesh3* TargetMes..., const TArray< int >& Groups, bool bLocalizeDeformation )	Given an array of Group IDs, update the selection and record vertices

Overridden from FGroupTopologyDeformer

	Name	Description
void	SetActiveHandleCorners ( const TArray< int >& TopologyCorne... )	Set the active handle to the given Corners
void	SetActiveHandleEdges ( const TArray< int >& TopologyEdgeI... )	Set the active handle to the given Edges
void	SetActiveHandleFaces ( const TArray< int >& FaceGroupIDs )	Handle setup/configuraiton Set the active handle to the given Faces
void	UpdateSolution ( FDynamicMesh3* TargetMesh, const TFunction< FVector3d... )	Updates the mesh preview and/or solvers upon user input, provided a deformation strategy

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