public int RemoveFilledLines() { Stack <byte> filledLines = m_lineChecker.GetNumbersFilledLines(m_gridModel.PlayFieldGrid); int gridWidth = m_gridModel.PlayFieldGrid.GetLength(0); int gridHeight = m_gridModel.PlayFieldGrid.GetLength(1); if (filledLines.Count <= 0) { return(0); } foreach (byte numberLine in filledLines) { for (byte j = 0; j < gridWidth; j++) { m_gridModel.RemoveArea(j, numberLine); } RowDown(numberLine, gridWidth, gridHeight); } m_lineScorer.AddNewLines(filledLines.Count); return(filledLines.Count); }