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  3. FMeshProjectionHull

FMeshProjectionHull

Calculate a Convex Hull for a Mesh by first Projecting all vertices to a plane, computing a 2D convex polygon that contains them, and then sweeping that 2D hull to create an extruded 3D volume.

API > API/Plugins > API/Plugins/DynamicMesh

Calculate a Convex Hull for a Mesh by first Projecting all vertices to a plane, computing a 2D convex polygon that contains them, and then sweeping that 2D hull to create an extruded 3D volume.

   
Name FMeshProjectionHull
Type class
Header File /Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Operations/MeshProjectionHull.h
Include Path #include "Operations/MeshProjectionHull.h"

Syntax

class FMeshProjectionHull

Constructors

Name Remarks Include Path Unreal Specifiers

FMeshProjectionHull ( const FDynamicMesh3* MeshIn
)

   Operations/MeshProjectionHull.h  

Enums

Public

Name Remarks
EKeep3DHullSide  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
bSimplifyPolygon bool If true, 2D convex hull is simplified using MinEdgeLength and DeviationTolerance Operations/MeshProjectionHull.h  
ConvexHull2D FPolygon2d Calculated convex hull polygon Operations/MeshProjectionHull.h  
ConvexHull3D FDynamicMesh3 Output swept-polygon convex hull Operations/MeshProjectionHull.h  
DeviationTolerance double Deviation Tolerance of the simplified 2D Convex Hull Operations/MeshProjectionHull.h  
Keep3DHullSide EKeep3DHullSide Whether to conform to the 3D convex hull surface on the front or back side of the sweep, or to use a flat surface on both sides of the swept hull Operations/MeshProjectionHull.h  
Mesh const FDynamicMesh3 * Input Mesh Operations/MeshProjectionHull.h  
MinEdgeLength double Minimum Edge Length of the simplified 2D Convex Hull Operations/MeshProjectionHull.h  
MinThickness double Minimum thickness of extrusion. Operations/MeshProjectionHull.h  
ProjectionFrame FFrame3d Input 3D Frame/Plane Operations/MeshProjectionHull.h  
SimplifiedHull2D FPolygon2d Simplified convex hull polygon. Not initialized if bSimplifyPolygon == false Operations/MeshProjectionHull.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

bool Compute()

 Calculate output 2D Convex Polygon and Swept-Polygon 3D Mesh for vertices of input Mesh Operations/MeshProjectionHull.h  

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