void Start()
 {
     inputManager        = GameManager.ActiveGameManager.InputManager;
     timeManager         = GameManager.ActiveGameManager.TimeManager;
     stateManager        = GameManager.ActiveGameManager.StateManager;
     rollTimestamp       = -99;
     walkTimeStamp       = -99;
     characterController = GetComponent <CharacterController>();
     CURRENT_WALK_STATE  = WALK_STATE.STANDING;
 }