0.10 Xna0118-the xna framework and the game class

Revised: Sat May 07 18:29:12 CDT 2016

This page is part of a Book titled XNA Game Studio .

Table of Contents

• Table of Contents
• Preface
  • Moving from C# to XNA
    • My objective
    • Fasten your seatbelt
  • Viewing tip
    • Figures
    • Listings
• General background information
  • A software framework
    • What is a software framework?
  • New project choices in Visual C#
  • A Console Application
    • Start debugging
    • The Main method
    • The starting point for a Console Application
  • A Windows Game Application
    • Source code files
    • Build and debug
    • The file named Program.cs
      • Instantiate a Game1 object and call the Run method
      • What do we know about the class named Game1?
      • The using directive
      • Memory management
      • Don't modify the file named Program.cs
    • The Game1 class
    • How to create a game
      • Game1 extends Game
      • Main method calls the Run method
      • The Run method
      • Override five methods
      • Initialization
      • The game loop
        • Override Update for game logic
        • Override the Draw method
• Preview
  • Program output
  • What if you don't honor the transparent background?
  • Not a very exciting program
• Discussion and sample code
  • Creating a new Windows Game project
    • Step 1: Create a new Windows Game project named XNA0118Proj
      • Select a Windows Game project
    • Step 2: Add your image file to the Content folder
      • Add your image to the Content folder
      • The Asset Name
    • Steps 3, 4, and 5: Write code
      • Modify two overridden methods
      • Will discuss in fragments
  • Beginning of the class named Game1
    • The namespace
  • General information
    • The superclass named Game
    • Overridden methods
    • The game loop
    • The big picture
  • The constructor for the Game1 class
    • What is a constructor?
    • A new GraphicsDeviceManager object
    • Passing the this keyword as a parameter
    • The ContentManager
    • When the constructor in Listing 5 terminates...
  • The Run method of the Game class
    • The BeginRun method
  • The game loop
  • The overridden LoadContent method
    • Two new instance variables
    • The Texture2D class
    • The SurfaceFormat enumeration
    • The Texture Format of my image
  • A new SpriteBatch object
    • The SpriteBatch class
      • This can be confusing
      • The inherited property
    • The new code
    • Generic methods
      • Required syntax for the Load method
      • What do the angle brackets mean?
      • Calling the Load method of the current ContentManager
      • Populate the variable named myTexture
    • The Vector2 structure
  • The overridden Game.Draw method
    • Game loop timing
  • More general information
    • What is a sprite?
    • What is a bitmap?
    • What is GDI+?
    • What about our image?
  • Beginning of the Game.Draw method
    • GameTime information
    • The call to the GraphicsDevice.Clear method
    • The Color class
      • Type ARGB
      • Constructors, methods, and constants
    • Code to draw the sprite
      • Honor the alpha values
      • Ignore the alpha values
      • Drawing the sprite(s)
    • Overloaded Draw methods
    • The SpriteBatch.End method
  • Call Game.Draw on the superclass
    • Execute both versions of the overridden method
    • A required statement
  • The end of the program
• Run the program
• Run my program
• Summary
• Miscellaneous
• Complete program listing