public void WriteDemoFile()
    {
        string validChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

        ScoreEntries demoEntries = new ScoreEntries();

        for (int i = 0; i < 10; i++)
        {
            // Zufälligen 3 char String erzeugen
            char[] nameChars = new char[3];

            for (int j = 0; j < nameChars.Length; j++)
            {
                nameChars[j] = validChars[UnityEngine.Random.Range(0, validChars.Length)];
            }

            string name = new string(nameChars);

            demoEntries.entryNo.Add(i + 1);
            demoEntries.value.Add(855 - i * 75);
            demoEntries.playerName.Add(name);
        }

        File.WriteAllText(scoreFilePath, demoEntries.GetString());
        Debug.Log(scoreFilePath);
    }
    private void PostNewScore()
    {
        ScoreEntries scoreList     = ReadScoreFile();
        int          posOfNewScore = 0;
        int          newScore      = PlayerPrefs.GetInt("lastScore", 0);

        // Rank der neuen Score ermitteln:
        if (scoreList.value.Count < 10)
        {
            posOfNewScore = scoreList.value.Count;
        }
        else
        {
            for (int i = 0; i < scoreList.value.Count; i++)
            {
                if (newScore > scoreList.value[i])
                {
                    posOfNewScore = i;
                    break;
                }
            }
        }

        // Platz 10 löschen, falls nötig:
        if (scoreList.entryNo.Count == 10)
        {
            scoreList.entryNo.RemoveAt(9);
            scoreList.value.RemoveAt(9);
            scoreList.playerName.RemoveAt(9);
        }

        // Neuen Eintrag machen:
        scoreList.entryNo.Insert(posOfNewScore, posOfNewScore + 1);
        scoreList.value.Insert(posOfNewScore, newScore);
        scoreList.playerName.Insert(posOfNewScore, playerNameText.text.ToUpper());

        // Nachfolgende Positionsnummern um 1 erhöhen:
        for (int i = (posOfNewScore + 1); i < scoreList.value.Count; i++)
        {
            scoreList.entryNo[i] += 1;
        }

        // Datei überschreiben:
        File.WriteAllText(scoreFilePath, scoreList.GetString());

        PlayerPrefs.SetInt("lastScore", 0);
        SceneManager.LoadScene("Scores");
    }