private bool OneStep(List <TriangleData> toDo)
{
int index = toDo.Count - 1;
TriangleData triangle = toDo[index];
toDo.RemoveAt(index);
triangles.Add(triangle);
TriangleData t0 = triangle.CreateNeighbour(0, plane, triangles.Count + ".0");
TriangleData t1 = triangle.CreateNeighbour(1, plane, triangles.Count + ".1");
TriangleData t2 = triangle.CreateNeighbour(2, plane, triangles.Count + ".2");
if (t0 != null)
{
toDo.Add(t0);
}
if (t1 != null)
{
toDo.Add(t1);
}
if (t2 != null)
{
toDo.Add(t2);
}
return(toDo.Count > 0);
}