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#rnx #jira none #preflight 61821056dd10170001f4d541 #ROBOMERGE-AUTHOR: ryan.schmidt #ROBOMERGE-SOURCE: CL 18041664 in //UE5/Release-5.0/... via CL 18041669 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v885-17909292) #ROBOMERGE[STARSHIP]: UE5-Main [CL 18041673 by ryan schmidt in ue5-release-engine-test branch]
58 lines
1.7 KiB
C++
58 lines
1.7 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 "IntVectorTypes.h"
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#include "GeometryTypes.h"
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#include "LineTypes.h"
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class FProgressCancel;
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namespace UE
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{
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namespace Geometry
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{
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class FDynamicMesh3;
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/**
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* For each edge in EdgeList, compute a line segment offset from the original edge by
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* distance InsetDistance. Assumes that each Edge is a boundary edge and so Triangle0
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* of that edge defines "inside" direction.
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*/
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DYNAMICMESH_API void ComputeInsetLineSegmentsFromEdges(
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const FDynamicMesh3& Mesh,
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const TArray<int32>& EdgeList,
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double InsetDistance,
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TArray<FLine3d>& InsetLinesOut );
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/**
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* For each vertex in VertexIDs, compute inset position based on list of precomputed
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* inset lines and store in VertexPositionsOut. Assumption is that each vertex position
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* was at the intersection point of the pre-inset lines, ie sequential edge-line-pairs
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* determine each sequential vertex position
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* @param bIsLoop if true, vertex list is treated as a loop, otherwise as an open span
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*/
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DYNAMICMESH_API void SolveInsetVertexPositionsFromInsetLines(
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const FDynamicMesh3& Mesh,
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const TArray<FLine3d>& InsetEdgeLines,
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const TArray<int32>& VertexIDs,
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TArray<FVector3d>& VertexPositionsOut,
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bool bIsLoop);
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/**
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* Solve for a new inset position by finding the intersection point
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* a pair of inset-lines (or handle parallel-lines case). Assumption
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* is that Position is the location of the initial vertex on the
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* pre-inset edge-line-pair, ie at their intersection point.
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*/
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DYNAMICMESH_API FVector3d SolveInsetVertexPositionFromLinePair(
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const FVector3d& Position,
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const FLine3d& InsetEdgeLine1,
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const FLine3d& InsetEdgeLine2);
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} // end namespace UE::Geometry
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} // end namespace UE
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