1. Introduction to the development of 2D Windows 8 games using Direct X and C++ Markus Jost CEO, Lead Programmer, Codebox GmbH markus.jost@codebox.ch

2. Agenda

3. Dream Build Play 2008 The Path of Go – Xbox LIVE Arcade Various Indie Titles for Mobiles

4. The Platform Chapter 1/3

7. Direct X

8. Differences in game development between the phone and the desktop: http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj662930(v=vs.105).aspx http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj662930(v=vs.105).aspx Supported Direct3D APIs for Windows Phone 8: http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj207010(v=vs.105).aspx http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj207010(v=vs.105).aspx

9. The Basics Chapter 2/3

10. Lifecycle of a Videogame

12. Translating 3D points into Screen-space (2d)

13. Sample 0 Creating a new project

15. Sample 0.5 From 3D to 2D

16. Pipeline Direct3D 11: http://msdn.microsoft.com/en-us/library/windows/hardware/ff569022(v=vs.85).aspxhttp://msdn.microsoft.com/en-us/library/windows/hardware/ff569022(v=vs.85).aspx

18. Sample 1 Loading Texture Rendering Sprite

19. Reading user input with DirectX Source: http://en.wikipedia.org/wiki/DirectInput http://en.wikipedia.org/wiki/DirectInput

20. Sample 2 Reading User Input Moving Sprite

21. Basic Collision Detection float denom = ((B2.Y – B1.Y) * (A2.X – A1.X)) – ((B2.X – B1.X) * (A2.Y - A1.Y)); if (denom == 0) { return null; } else { float ua = (((B2.X – B1.X) * (A1.Y – B1.Y)) – ((B2.Y – B1.Y) * (A1.X – B1.X))) / denom; float ub = (((A2.X – A1.X) * (A1.Y – B1.Y)) – ((A2.Y – A1.Y) * (A1.X – B1.X))) / denom; if (ua 1) || (ub 1) return null ; return A1 + ua * (A2 – A1) }

22. Sample 3 Basic Collision

24. Sample 4 Audio

25. Questions? Chapter 3/3