void Reset()
{
drawer.teardown();
board = new Tile[rows_, columns_];
FillCubeGrid();
drawer.init(rows_, columns_, cubePrefab);
}
// Use this for initialization
void Start()
{
instance_ = this;
board = new Tile[rows_, columns_];
FillCubeGrid();
drawer = BoardDrawer.getInstance();
drawer.init(rows_, columns_, cubePrefab);
}
