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#jira UETOOL-3823 #rb ryan.schmidt #ROBOMERGE-SOURCE: CL 16958628 in //UE5/Main/... #ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v838-16927207) [CL 16958640 by michael balzer in ue5-release-engine-test branch]
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "MathUtil.h"
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#include "VectorTypes.h"
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#include "GeometryTypes.h"
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#include "Polygon2.h"
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#include "DynamicMesh/DynamicMesh3.h"
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namespace UE
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{
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namespace Geometry
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{
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/**
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* Calculate a Convex Hull for a Mesh by first Projecting all vertices to a plane, computing a
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* 2D convex polygon that contains them, and then sweeping that 2D hull to create an extruded 3D volume.
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*/
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class DYNAMICMESH_API FMeshProjectionHull
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{
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public:
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/** Input Mesh */
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const FDynamicMesh3* Mesh;
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/** Input 3D Frame/Plane */
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FFrame3d ProjectionFrame;
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/** If true, 2D convex hull is simplified using MinEdgeLength and DeviationTolerance */
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bool bSimplifyPolygon = false;
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/** Minimum Edge Length of the simplified 2D Convex Hull */
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double MinEdgeLength = 0.01;
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/** Deviation Tolerance of the simplified 2D Convex Hull */
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double DeviationTolerance = 0.1;
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/** Minimum thickness of extrusion. If extrusion length is smaller than this amount, box is expanded symmetrically */
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double MinThickness = 0.0;
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/** Calculated convex hull polygon */
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FPolygon2d ConvexHull2D;
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/** Simplified convex hull polygon. Not initialized if bSimplifyPolygon == false */
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FPolygon2d SimplifiedHull2D;
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/** Output swept-polygon convex hull */
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FDynamicMesh3 ConvexHull3D;
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public:
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FMeshProjectionHull(const FDynamicMesh3* MeshIn)
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{
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Mesh = MeshIn;
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}
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/**
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* Calculate output 2D Convex Polygon and Swept-Polygon 3D Mesh for vertices of input Mesh
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* @return true on success
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*/
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bool Compute();
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};
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} // end namespace UE::Geometry
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} // end namespace UE
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