static public void Init()
 {
     if (instance == null)
     {
         instance          = new GravityManager();
         instance.dataBase = DataManager.Instance.addData("GravityControllerData");
         instance.Bind(instance.ChangeStatus);
         instance.dataBase.SetNumberValue("gravityScale", EncryptionManager.GetDouble("gravityScale", 0.5));
     }
 }