private void Awake()
{
Instance = this;
_highestScore = PlayerPrefs.GetInt(HighestScorePrefKey, 0);
OnLevelCompletedEvent.AddListener(OnLevelCompleted);
OnLevelResultEvent.AddListener(OnLevelResult);
}
private void OnDestroy()
{
OnLevelCompletedEvent.RemoveAllListeners();
OnOpenLevelsPopUp.RemoveAllListeners();
OnPlayLevelButtonEvent.RemoveAllListeners();
OnInitializeLevelEvent.RemoveAllListeners();
OnLevelResultEvent.RemoveAllListeners();
OnReturnMainMenu.RemoveAllListeners();
OnGameHudUpdateEvent.RemoveAllListeners();
}