Beginning Game Development in XNA
- 1. Game DevelopmentUsing Visual Studio and XNA
- 2. Arvind Raja YadavMicrosoft Student PartnerLead Programmer – Neptune, a Half Life 2 ModificationProgrammer – Dystopia, a Half Life 2 Modification available on SteamI also make a lot of small games in various languages for fun
- 3. What is a game?
- 4. World of Goo = GameMS Word = SoftwareHow do we know the difference?
- 5. Here’s what games have that software doesn’t :Conditions for victory/failure;Testing various qualities of the player ;Withholding content from the player;Thinking for themselves ;Partially under the player’s control ;Changing objectives and/or methods;They are more fun!
- 6. The basic structure of a gameInitialize contentWhile (exit condition is false){Get user inputRun input related logic Run input independent logicDraw graphics and play sounds}Shut down
- 7. Windows doesn’t allow direct access to it’s display and sound drivers.APIs make coding games much easierAPIs also mean that we need not worry about compatibility issuesWhy do we need an API to make games ?
- 8. I’m not going to teach you how to make Halo in 3 days.DISCLAIMERIt took me and my team about 2 weeks to make this level work.
- 9. IntroducingXNA allows you to make games for both Windows and Xbox 360 platforms using the same code and assets.
- 10. Getting started with XNAOpen Visual C# 2008 Express EditionSelect “File”, then “New Project”You should see a dialog like the one hereSelect “Windows Game (3.1)” and enter a name of your choice
- 12. }Constructor;Initialize;LoadContent;UnloadContent;Update;DrawGetting content from the disk into the main memory + graphics memoryRemoving content from the memoryGame logic and drawing}}Contents of the game class
- 13. Display text on the screen
- 14. Display an image on the screen
- 15. Getting input from the keyboard
- 16. Changing window size (resolution);Full screen/windowed mode ;Changing window properties
- 17. Print a message when the image moves off-screenExercise : Make an image move using the arrow keys
- 18. Using the mouse
- 20. Our first game : Dodger
- 21. Congratulations!If everything went well, you just made a game by yourself !