/// <summary>
/// Get the current level index from the player prefs.
/// Destory this gameobject if GetLevelAtIndex returns null.
/// </summary>
private void SetCurrentLevel()
{
int levelIndex = PlayerPrefs.GetInt("Level");
currentLevel = levelList.GetLevelAtIndex(levelIndex);
if (!currentLevel)
{
Destroy(this.gameObject);
}
}