public void LoadUserData()
 {
     best_score = PlayerPrefs.GetInt("best_score");
     coin       = PlayerPrefs.GetInt("coin");
     chick      = UserDataManager.GetBool("chick");
     duck1      = UserDataManager.GetBool("duck1");
     duck2      = UserDataManager.GetBool("duck2");
     duck3      = UserDataManager.GetBool("duck3");
     goat1      = UserDataManager.GetBool("goat1");
     goat2      = UserDataManager.GetBool("goat2");
     hen1       = UserDataManager.GetBool("hen1");
     hen2       = UserDataManager.GetBool("hen2");
     hen3       = UserDataManager.GetBool("hen3");
     rabbit1    = UserDataManager.GetBool("rabbit1");
     rabbit2    = UserDataManager.GetBool("rabbit2");
     sheep1     = UserDataManager.GetBool("sheep1");
     sheep2     = UserDataManager.GetBool("sheep2");
 }