public Mesh GetMesh()
{
Mesh m = new Mesh();
int[] map = new int[Vertices.Count];
for (int i = 0; i < Vertices.Count; i++)
{
map[i] = -1;
}
for (int i = 0; i < Vertices.Count; i++)
{
ECVertex v = Vertices[i];
if (v.IsValid())
{
map[i] = m.AddVertex(new Point3d(v.X, v.Y, v.Z));
}
}
for (int i = 0; i < Faces.Count; i++)
{
ECFace f = Faces[i];
if (f.IsValid())
{
Triangle t = new Triangle(map[f.GetVertex(0).UId], map[f.GetVertex(1).UId], map[f.GetVertex(2).UId]);
m.AddFace(t);
}
}
return(m);
}
public void ContractRegion(ECVertex v1, ECVertex v2, List <ECFace> tempList)
{
tempList.Clear();
ECFace.UnTagFaceLoop(v1);
ECFace.UnTagFaceLoop(v2);
ECFace.CollectFaceLoop(v1, tempList);
ECFace.CollectFaceLoop(v2, tempList);
}
public void KillFace(ECFace face)
{
if (face.IsValid())
{
face.Kill();
ValidFacesCount--;
}
}
public void UnlinkFace(ECFace face)
{
this.AdjFace.Remove(face);
if (AdjFace.Count == 0)
{
Kill();
}
}
public ECFace CreateFace(ECVertex v1, ECVertex v2, ECVertex v3)
{
ECEdge e0 = this.GetEdge(v1, v2);
ECEdge e1 = this.GetEdge(v2, v3);
ECEdge e2 = this.GetEdge(v3, v1);
ECFace f = new ECFace(e0, e1, e2);
Faces.Add(f);
f.UId = Faces.Count - 1;
ValidFacesCount++;
return(f);
}
public void MayFixFace(ECFace face)
{
ECVertex v0 = face.GetVertex(0);
ECVertex v1 = face.GetVertex(1);
ECVertex v2 = face.GetVertex(2);
ECEdge e0 = face.GetEdge(0);
ECEdge e1 = face.GetEdge(1);
ECEdge e2 = face.GetEdge(2);
bool a = (v0 == v1);
bool b = (v0 == v2);
bool c = (v1 == v2);
if (a && c)
{
KillEdge(e0);
KillEdge(e1);
KillEdge(e2);
KillFace(face);
}
else if (a)
{
KillEdge(e0);
e1.ReplaceBy(e2.Twin());
KillFace(face);
}
else if (b)
{
KillEdge(e2);
e0.ReplaceBy(e1.Twin());
KillFace(face);
}
else if (c)
{
KillEdge(e1);
e0.ReplaceBy(e2.Twin());
KillFace(face);
}
}
public int AddFace(int p0i, int p1i, int p2i)
{
ECFace face = CreateFace(Vertices[p0i], Vertices[p1i], Vertices[p2i]);
return(Faces.Count - 1);
}
public void LinkFace(ECFace face)
{
this.AdjFace.Add(face);
}
