private GridCell CellAdded(Vector3 worldPos)
{
GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);
go.transform.parent = transform;
go.name = "Cell";
Vector3 centre = m_centreCell ? new Vector3(m_cellSize, 0, m_cellSize) * 0.5f : Vector3.zero;
go.transform.position = worldPos + centre;
GridCell cell = go.AddComponent <GridCell>();
cell.Config(this, m_cellSize);
//go.transform.localScale = Vector3.one * m_cellSize;
go.SetActive(false);
UnityEditor.Undo.RegisterCreatedObjectUndo(go, "Go");
return(cell);
}