private IEnumerator CheckLines() { int blocksOnTheLine, destroyedLines = 0; for (int i = 0; i < length; i++) { yield return(new WaitForFixedUpdate()); blocksOnTheLine = 0; for (int j = 0; j < width; j++) { if (grid[j, i]) { blocksOnTheLine++; } } if (blocksOnTheLine == 0) { break; } else if (blocksOnTheLine == width) { StartCoroutine(DestroyLine(i)); destroyedLines++; } else if (destroyedLines > 0) { StartCoroutine(DownLine(i, destroyedLines)); } } if (destroyedLines == 4) { StartCoroutine(TetrisEffect()); } ss.AddLines(destroyedLines); //DebugGrid(); }