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fixed ungroup mesh

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issue: MatterHackers/MCCentral#4900
Ungroup has no effect on multi-body stl
This commit is contained in:
Lars Brubaker 2019-01-24 15:24:19 -08:00
parent 1d60533947
commit ca900dc0cb
1 changed files with 3 additions and 24 deletions
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27
MatterControlLib/PartPreviewWindow/CreateDiscreteMeshes.cs
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@ -50,27 +50,6 @@ namespace MatterHackers.MatterControl
public static class CreateDiscreteMeshes
{
public static List<List<int>> GetFacesSharingVertex(List<Vector3Float> vertexList, FaceList faces)
{
var sharingList = new List<List<int>>(vertexList.Count);
for(int i=0; i<vertexList.Count; i++)
{
sharingList.Add(new List<int>());
}
for (int faceIndex = 0; faceIndex < faces.Count; faceIndex++)
{
var face = faces[faceIndex];
var vertices = new int[] { face.v0, face.v1, face.v2 };
for (int vertexIndex = 0; vertexIndex < 3; vertexIndex++)
{
sharingList[vertexIndex].Add(faceIndex);
}
}
return sharingList;
}
public static List<Mesh> SplitVolumesIntoMeshes(Mesh meshToSplit, CancellationToken cancellationToken, Action<double, string> reportProgress)
{
Stopwatch maxProgressReport = Stopwatch.StartNew();
@ -80,8 +59,8 @@ namespace MatterHackers.MatterControl
var attachedFaces = new Stack<int>();
int faceCount = meshToSplit.Faces.Count;
var facesSharingVertex = GetFacesSharingVertex(meshToSplit.Vertices, meshToSplit.Faces);
var facesSharingVertex = meshToSplit.NewVertexFaceLists();
for (int faceIndex = 0; faceIndex < faceCount; faceIndex++)
{
if (reportProgress != null)
@ -110,7 +89,7 @@ namespace MatterHackers.MatterControl
foreach (var attachedVertex in vertices)
{
foreach (var sharedFaceIndex in facesSharingVertex[attachedVertex])
foreach (var sharedFaceIndex in facesSharingVertex[attachedVertex].Faces)
{
if (!facesThatHaveBeenAdded.Contains(sharedFaceIndex))
{