private void ShowNextLine()
 {
     if (storyLines[lineIndex] == "F")
     {
         textManager.ClearText();
         lineIndex++;
     }
     textManager.AddLineOfText(storyLines[lineIndex] + "\n");
     lineIndex++;
     if (lineIndex >= storyLines.Length)
     {
         allLinesShown = true;
     }
 }