public void MeshClean(Triangle triangle)
{
List <Triangle> triangles = new List <Triangle>();
triangles.Add(triangle);
while (triangles.Count != 0)
{
int last = triangles.Count - 1;
Triangle t = triangles[last];
triangles.RemoveAt(last);
if (t != null && !t.IsInterior())
{
t.IsInterior(true);
_triangles.Add(t);
for (int i = 0; i < 3; i++)
{
if (!t.ConstrainedEdge[i])
{
triangles.Add(t.GetNeighbor(i));
}
}
}
}
}