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> Unreal Engine API Reference > Plugins > DynamicMesh > FDynamicMesh3 > FDynamicMesh3::MergeEdges

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FDynamicMesh3::MergeEdges

Given two edges of the mesh, weld both their vertices, so that one edge is removed.

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References

Module	DynamicMesh
Header	/Engine/Plugins/Experimental/GeometryProcessing/Source/DynamicMesh/Public/DynamicMesh3.h
Include	#include "DynamicMesh3.h"
Source	/Engine/Plugins/Experimental/GeometryProcessing/Source/DynamicMesh/Private/DynamicMesh3_Edits.cpp

Syntax

virtual EMeshResult MergeEdges
(
    int KeepEdgeID,
    int DiscardEdgeID,
    FMergeEdgesInfo & MergeInfo
)

Remarks

Given two edges of the mesh, weld both their vertices, so that one edge is removed. This could result in one neighbour edge-pair attached to each vertex also collapsing, so those cases are detected and handled (eg middle edge-pair in abysmal ascii drawing below)

.... (dots are vertices) ../

Returns

Ok on success, or enum value indicates why operation cannot be applied. Mesh remains unmodified on error.

Parameters

Parameter	Description
KeepEdgeID	index of the edge that should be kept
DiscardEdgeID	index of the edge that should be removed
MergeInfo	returned information about new and modified mesh elements

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