ShopMenu.Update C# (CSharp) Метод

    void Update()
    {
        setCounter(coinCount, gameData.coinCount);
        for (int upgIdx = 0; upgIdx < (int)UpgradeLevel.Type.Count; ++upgIdx) {
          int level = gameData.levels[upgIdx];
          bool isFull = level == UpgradeLevel.NumLevels - 1;

          stars[upgIdx].level = level;
          stars[upgIdx].priceNextLevel = isFull ? 0 : upgradeData.upgradeLevels[level+1].prices[upgIdx];
          buttons[upgIdx].isEnabled = (!isFull && stars[upgIdx].priceNextLevel <= gameData.coinCount);
        }
    }

        /// <summary>
        /// Allows the game to run logic such as updating the world,
        /// checking for collisions, gathering input, and playing audio.
        /// </summary>
        /// <param name="gameTime">Provides a snapshot of timing values.</param>
        protected override void Update(GameTime gameTime)
        {
            if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
            {
                Exit();
            }

            if (ReadyToPlay)
            {
                ReadyToPlay = false;
                state       = State.FleetMenu;
            }
            switch (state)
            {
            case State.MainMenu:
                mainMenu.Update(gameTime);
                break;

            case State.OptionsMenu:
                settingsMenu.Update(gameTime);
                break;

            case State.LoginMenu:
                loginMenu.Update(gameTime);
                break;

            case State.RegisterMenu:
                registerMenu.Update(gameTime);
                break;

            case State.DeckMenu:
                deckMenu.Update(gameTime);
                break;

            case State.GameWindow:
                gameWindow.Update(gameTime);
                break;

            case State.ShopMenu:
                shopMenu.Update(gameTime);
                break;

            case State.FleetMenu:
                fleetMenu.Update(gameTime);
                break;

            case State.CardsMenu:
                cardsMenu.Update(gameTime);
                break;
            }

            base.Update(gameTime);
        }