public ZYDiningTable()
        {
            //Dining Table
            SwinGame.LoadBitmapNamed("diningTable.png", "diningTable.png");
            _diningTable = SwinGame.CreateSprite(SwinGame.BitmapNamed("diningTable.png"));
            //

            //initialize a food sprite without image
            _food = SwinGame.CreateSprite(SwinGame.BitmapNamed(""));

            //get a new customer
            _customer = ZYPokemonCustomerGenerator.NewCustomer();

            //initialize Timer and start it for the first customer, set ticks to 0 and set the state of customer as waiting
            _gameTime = SwinGame.CreateTimer();
            SwinGame.StartTimer(_gameTime);
            _ticks   = 0;
            _waiting = true;
            //

            //initiate a new red status bar
            _statusBar = new ZYStatusBar("emptyThick.png");
            _statusBar.SetFillingImage("redThick.png");
            //
        }
 public void ProcessEvent()
 {
     if (_waiting)
     {
         //keep add time and increase the bar if the customer is waiting
         if (SwinGame.TimerTicks(_gameTime) > sSPEED)
         {
             _ticks = _ticks + 1;
             SwinGame.ResetTimer(_gameTime);
         }
         //old customer rage and leave if the bar reach full. Decrease 0.5 heart life and get a new customer.
         if (_ticks >= 42)
         {
             _customer = ZYPokemonCustomerGenerator.NewCustomer();
             _customer.SetX(_diningTable.X + 20);
             _customer.SetY(_diningTable.Y - 40);
             _ticks = 0;
             _sideBar.DecreaseGameLife();
         }
     }
     else
     {
         //reduce the bar when the customer is eating. Clear the table and get a new customer when the bar reach empty. Then set the waiting to be true.
         if (SwinGame.TimerTicks(_gameTime) > 150)
         {
             _ticks = _ticks - 1;
             SwinGame.ResetTimer(_gameTime);
         }
         if (_ticks < 0)
         {
             SetFood("");
             _customer = ZYPokemonCustomerGenerator.NewCustomer();
             _customer.SetX(_diningTable.X + 20);
             _customer.SetY(_diningTable.Y - 40);
             _waiting = true;
         }
     }
 }