Time for action – viewing the StarField in action

1. Add the following declaration to the Game1 class:

   Private _starField as StarField

2. In the declarations area of the Game1 class, temporarily modify the declaration for gameState from GameStates.TitleScreen to GameStates.Playing:

   Private gameState as GameStates = GameStates.Playing

3. Update the LoadContent() method of the Game1 class to initialize the _starField object. Be sure to place this code, after the spriteSheet texture is loaded:

   _starField = new StarField(
       Me.Window.ClientBounds.Width,
       Me.Window.ClientBounds.Height,
       200,
       new Vector2(0, 30),
       spriteSheet,
       new Rectangle(0, 450, 2, 2))

4. In the Upate() method, add the following line to the GameStates.Playing section of the Select..Case statement you created earlier:

   _starField.Update(gameTime)

5. In the Draw() method, change the background color from Color.CornflowerBlue to Color.Black.

6. Still in the Draw() method, add the following line to the if block containing GameStates.Playing...