FMeshBoolean


Name	FMeshBoolean
Type	class
Header File	/Engine/Source/Runtime/GeometryCore/Public/Operations/MeshBoolean.h
Include Path	#include "Operations/MeshBoolean.h"

Name	Remarks	Include Path	Unreal Specifiers
FMeshBoolean ( const FDynamicMesh3* MeshA, const FDynamicMesh3* MeshB, FDynamicMesh3* OutputMesh, EBooleanOp Operation )		Operations/MeshBoolean.h
FMeshBoolean ( const FDynamicMesh3* MeshA, const FTransformSRT3d& TransformA, const FDynamicMesh3* MeshB, const FTransformSRT3d& TransformB, FDynamicMesh3* OutputMesh, EBooleanOp Operation )	Perform a boolean operation to combine two meshes into a provided output mesh.	Operations/MeshBoolean.h

Name	Remarks	Include Path	Unreal Specifiers
virtual ~FMeshBoolean()		Operations/MeshBoolean.h

Name	Remarks
EBooleanOp

Name	Type	Remarks	Include Path
AllNewEdges	TSet< int32 >	All edges created by mesh boolean algorithm. Only populated if bTrackAllNewEdges = true	Operations/MeshBoolean.h
bCollapseDegenerateEdgesOnCut	bool	Whether to do additional processing to try to remove degenerate edges	Operations/MeshBoolean.h
bPopulateSecondMeshGroupMap	bool	When doing an operation that merges two meshes (Union, Difference, Intersect) and bPopulateSecondMeshGroupMap is true, we populate a map from group ID's in the second mesh to group ID's in the result.	Operations/MeshBoolean.h
bPreserveOverlayUVs	bool	Prevent simplification from distorting overlay UVs	Operations/MeshBoolean.h
bPreserveTriangleGroups	bool	Prevent simplification from distorting triangle groups	Operations/MeshBoolean.h
bPreserveVertexNormals	bool	Prevent simplification from distorting vertex normals	Operations/MeshBoolean.h
bPreserveVertexUVs	bool	Prevent simplification from distorting vertex UVs	Operations/MeshBoolean.h
bPutResultInInputSpace	bool	Put the Result mesh in the same space as the input.	Operations/MeshBoolean.h
bSimplifyAlongNewEdges	bool	Control whether we attempt to auto-simplify the small planar triangles that the boolean operation tends to generate	Operations/MeshBoolean.h
bTrackAllNewEdges	bool	Control whether new edges should be tracked	Operations/MeshBoolean.h
bWeldSharedEdges	bool	Weld newly-created cut edges where the input meshes meet.	Operations/MeshBoolean.h
CreatedBoundaryEdges	TArray< int >	Boundary edges created by the mesh boolean algorithm failing to cleanly weld (doesn't include boundaries that already existed in source meshes)	Operations/MeshBoolean.h
DegenerateEdgeTolFactor	double	Tolerance factor (multiplied by SnapTolerance) for removing short edges created by the cutting process; should be no more than 2	Operations/MeshBoolean.h
Meshes	const FDynamicMesh3 *	Inputs	Operations/MeshBoolean.h
NormalDistortTolerance	float	When preserving normals, sets maximum allowed change in normals from collapsing an edge, measured at the removed vertex in degrees	Operations/MeshBoolean.h
Operation	EBooleanOp		Operations/MeshBoolean.h
PreserveUVsOnlyForMesh	int	If > -1, then only preserve the UVs of one of the input meshes.	Operations/MeshBoolean.h
Progress	FProgressCancel *	Set this to be able to cancel running operation	Operations/MeshBoolean.h
Result	FDynamicMesh3 *	An existing mesh, to be filled with the boolean result.	Operations/MeshBoolean.h
ResultTransform	FTransformSRT3d	Output Transform taking the result mesh back to the original space of the inputs	Operations/MeshBoolean.h
SecondMeshGroupMap	FIndexMapi		Operations/MeshBoolean.h
SimplificationAngleTolerance	double	Simplification-specific settings (only relevant if bSimplifyAlongNewEdges==true): Degrees of deviation from coplanar that we will still simplify	Operations/MeshBoolean.h
SnapTolerance	double	Tolerance distance for considering a point to be on a vertex or edge, especially during mesh-mesh cutting	Operations/MeshBoolean.h
Transforms	const FTransformSRT3d		Operations/MeshBoolean.h
TryToImproveTriQualityThreshold	double	If triangle quality (aspect ratio) is worse than this threshold, only simplify in ways that improve quality.	Operations/MeshBoolean.h
UVDistortTolerance	float	When preserving UVs, sets maximum allowed change in UV coordinates from collapsing an edge, measured at the removed vertex	Operations/MeshBoolean.h
WindingThreshold	double	Threshold to determine whether triangle in one mesh is inside or outside of the other	Operations/MeshBoolean.h

Name	Remarks	Include Path	Unreal Specifiers
bool Compute()	Compute the Boolean operation	Operations/MeshBoolean.h
EOperationValidationResult Validate()		Operations/MeshBoolean.h

Name	Remarks	Include Path	Unreal Specifiers
virtual bool Cancelled()	If this returns true, abort computation.	Operations/MeshBoolean.h

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