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XNA Intro Workshop
- 1. Microsoft’s XNA Sjors Miltenburg Software Ontwikkelaar smiltenburg@sogyo.nl www.software-innovators.nl
- 2. Who?
- 3. Who?
- 4. First video game, 1958
- 5. First video game, 1958
- 7. The Galaxy Game, 1971
- 8. Pong, 1972
- 10. Commodore, 1982
- 11. Super Mario Bros, 1985
- 13. Duke Nukem 3D, 1996
- 14. Call of Duty 4, 2007
- 15. Facts USA [2007] $ 17.9 billion NL game industry bigger than film industry
- 17. XNA • tools for game development • Completely managed environment • All aspects of game production in one system • Game development is accessible
- 18. XNA Platform • XNA Framework • XNA Build • XNA Framework Content Pipeline • XNA Game Studio
- 19. What do you need? .NET 3.0 • Visual Studio (C# Express is free!) • XNA Framework • XNA Game Studio •
- 20. XNA Framework • Microsoft .NET CLR 3.0 (3.5?) • Cross-Platform Game Development – Windows XP – Windows Vista – Xbox 360 – Zune
- 21. XNA Framework overview Games Code Content Components Starter Kits Extended Application Model Content Pipeline Framework Core Graphics Audio Input Math Storage Framework Platform XACT XINPUT XContent Direct3D Legend Community XNA Provides You Provide
- 22. XNA Framework overview Games Code Content Components Starter Kits Extended Application Model Content Pipeline Framework Core Graphics Audio Input Math Storage Framework Platform XACT XINPUT XContent Direct3D Legend Community XNA Provides You Provide
- 23. Starter Kits “Take our games and make them your own” • “Complete” games Starting point for your own games – Available through “New Project…” – Hit F5 and done! – Documentation and tutorials –
- 24. Components • They use the standard gameloop – Initialize, Load, Update, Draw, Unload Create and re-use functionality • Use 3rd party components • Community has a standard • Menus, virtual keyboard, game engine, • game info, radar’s, map, etc…
- 25. Components • Example of a Component – Virtual keyboard voor de XBOX 360
- 26. XNA Framework overview Games Code Content Components Starter Kits Extended Application Model Content Pipeline Framework Core Graphics Audio Input Math Storage Framework Platform XACT XINPUT XContent Direct3D Legend Community XNA Provides You Provide
- 27. Application Model • Platform abstraction – Don’t worry about the platform • First line of code is for your game • Game class – Starting point for your game
- 28. Application Model Game Class, starting point • Game – Initialize – LoadContent – Update – Draw – UnloadContent • GameComponent, DrawableGameComponent
- 29. Content Pipeline extensible content processing framework • 2D File Formats (.DDS, .BMP, .JPG, .PNG, .TGA) • 3D File Formats (.FBX, .X) • Material File Formats (.FX) • Audio File Formats (.XAP) •
- 30. XNA Framework overview Games Code Content Components Starter Kits Extended Application Model Content Pipeline Framework Core Graphics Audio Input Math Storage Framework Platform XACT XINPUT XContent Direct3D Legend Community XNA Provides You Provide
- 31. Core Framework • Graphics – SpriteBatch, BasicEffect, Texture2d, GraphicsDevice, Model, VertexBuffer • Audio – SoundBank, WaveBank, Cue, AudioEngine – Looping, Streaming en memory management – low-level buffer management • Input – GamePad, Keyboard, Mouse
- 32. Core Framework • Math – MathHelper.ToRadians(float angle), PiOver4 • Storage – Title Storage (Shaders, Meshes, Textures, Sounds…) – User Storage (Save games, Scores…) – Emulated on the Windows Platform • Network – NetworkSession, PacketReader, NetworkGamer
- 33. XNA Framework Overzicht Games Code Content Components Starter Kits Extended Application Model Content Pipeline Framework Core Graphics Audio Input Math Storage Framework Platform XACT XINPUT XContent Direct3D Legend Community XNA Provides You Provide
- 34. Platform abstraction • Don’t worry about the platform, but about your game! • Mono started an implementation
- 35. XACT • Microsoft Cross-Platform Audio Creation Tool • Create audio files for XNA games • Compiles .wav files • Add info to the sound – Looping, volume levels
- 36. Community • 3D Models – Cars, Houses, humans, levels • Mostly free • http://turbosquid.com/xna
- 37. Community • Example of a community built Component – XNA Console
- 38. Deployment to Xbox 360 • What do you need to deploy to Xbox 360? – Xbox Live Account – XNA Game Launcher – Connection to computer – XNA Creators Club account • XNA Creators Club account – 49 euro (4 months) – 99 euro (1 year)
- 39. Getting creative • Creating games with XNA is easy!
- 40. We will be building • Tank game – Drive, aim and shoot
- 41. Steps Run an empty game • Load graphical content • Show tank on screen • Handle user input • – Rotate – Move – Shoot
- 42. Step 1: Empty game • Create a new XNA game • Run!
- 43. Step 2: Load Content • Create a Tank Class – Vector2 (x,y) for position – Float (Radians) for direction • 3 resources (tank, turret, canonball) • Texture2D – ContentManager.Load<2DTexture>(“Tank”);
- 44. Step 3.1: Display content • Draw tank • Draw turret • Draw @ center of the screen • Does it matter what you draw first?
- 45. Step 3.2: Display content • SpriteBatch.Begin(); • SpriteBatch.Draw(7 implementations); • SpriteBatch.End(); • Screen – GraphicsManager.GraphicsDevice.Viewport – 0,0 = top left corner – 800,600 = bottom right corner
- 46. Step 4: Handle User input • KeyboardState = Keyboard.GetState(); • If (KeyboardState.isKeyDown(Keys.Up)); • Where do we place this code? • Rotate (Tank & turret) • Move • Vector2 Movement = new Vector2(); • Movement.X += moveDist * (float)Math.Cos(Rotation); • Movement.Y += moveDist * (float)Math.Sin(Rotation);
- 47. Step 5: Shoot • CannonBall Class • One shot at a time (space invader style)
- 48. Step 6: Shoot Enemy • Draw stationary tank • Hit? – Rectangle.Intersects – Advanced: Per pixel collision – Where should this code go? • Draw tank health – Add new SpriteFont to content folder – Load Content – SpriteBatch.DrawString();
- 49. Step 7: Network code • Sample code – Search for “XNA Network Prediction” – Uses Microsoft Live • Create a local account
- 50. Resources http://creators.xna.com/ • http://blogs.msdn.com/xna • http://www.turbosquid.com/xna • http://xbox360homebrew.com • http://www.riemers.net • http://www.xnadevelopment.com • Search for XNA at Google with Live Search •
- 51. Vragen?
- 52. Nintendo’s Wii!
- 53. Wiimote Knoppen • Accelerometer • IR-camera • Buzzer • Leds • Bluetooth •
- 54. Accelerometer • ADXL330 3-Axis ±3g iMEMS® Accelerometer
- 55. Accelerometer Y (-3G,3G) Z (-3G, 3G)
- 56. Accelerometer 0 Stil 0 1
- 57. Accelerometer 0 Omhoog 0 >1
- 58. Accelerometer 0 Omlaag 0 <1
- 59. IR-camera • PixArt optical sensor Multi-Object Tracking engine (MOT sensor™) • Sensor bar
- 60. IR-camera
- 61. Bluetooth • BCM2042 Advanced Wireless Keyboard/Mouse Bluetooth® Chip • HID Device
- 62. Wiimote -> PC • OS • Bluetooth Device • Bluetooth stack
- 63. API’s wiimote-api RMX Automation GlovePIE WiimoteLib WiinRemote libwiimote WMD Wiiewer WiimoteCPP WiiYourself! Wiimotecomm
- 65. Simplicity
- 66. Demo time! • Flying with the Wii