public IEnumerator FlashWinningTiles(LineDefinition winningLine, PostFlashRoutine postFlashRoutine) { for (int flashCount = 0; flashCount < 6; ++flashCount) { yield return(new WaitForSeconds(0.15f)); bool flashOn = flashCount % 2 == 0; for (int tileCount = 0; tileCount < 3; ++tileCount) { Move tilePosition = winningLine.GetMove(tileCount); TileDisplay tileDisplay = GetTileDisplay(tilePosition); tileDisplay.SetWinningFlashMaterial(flashOn); } } postFlashRoutine(); }