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Introtoduction to cocos2d
- 1. Introduction to 2d Game Programming Using cocos2d Serban Porumbescu Thursday, October 1, 2009
- 3. Overview • Why cocos2d? • Beginner Hurdles • cocos2d Basics • cocos2d Specifics • Samples and Tests • Resources Thursday, October 1, 2009
- 4. Why cocos2d? • Well over 200 games shipped • Great licensing • Lots of features • Extremely active community • What’s your business? Thursday, October 1, 2009
- 5. Beginner Hurdles Thursday, October 1, 2009
- 6. Beginner Hurdles • Objective-C and Memory • Setting Up a cocos2d Project • Running Samples and Tests • Understanding Tests Thursday, October 1, 2009
- 7. Learn Objective-C Read: “Learning Objective-C: A Primer” Thursday, October 1, 2009
- 8. Learn Memory Management Read: “Memory Management Programming Guide for Cocoa” Thursday, October 1, 2009
- 9. cocos2d Project Setup • Super easy ... now • sudo ./install_template.sh Thursday, October 1, 2009
- 10. Thursday, October 1, 2009
- 11. Thursday, October 1, 2009
- 12. Thursday, October 1, 2009
- 13. Running Samples & Tests • Wonderful source of examples that people seem to overlook • Once noticed, folks have issues running Thursday, October 1, 2009
- 14. Thursday, October 1, 2009
- 15. Running Samples & Tests • Where are they and how do we run? Thursday, October 1, 2009
- 16. Thursday, October 1, 2009
- 17. Thursday, October 1, 2009
- 18. Running Samples & Tests • Make sure to set both the “Active Target” and the “Active Executable” Thursday, October 1, 2009
- 19. Thursday, October 1, 2009
- 20. Thursday, October 1, 2009
- 21. Tests • Not games • Meant to exercise some specific functionality • Useful for figuring stuff out Thursday, October 1, 2009
- 22. Tests • Structured very similarly • Some base test class • Instantiate new test by advancing through NSStrings using NSClassFromString Thursday, October 1, 2009
- 23. Tests • Let’s look at AtlasSpriteTest and EaseActionsTest Thursday, October 1, 2009
- 24. cocos2d Basics Thursday, October 1, 2009
- 25. cocos2d Basics • Game has Scenes • Each Scene has some number of Layers • Layers capture user interaction and contain sprites • Director manages the scenes Thursday, October 1, 2009
- 26. Scenes • Screens in your game • Can almost think of them as separate apps Thursday, October 1, 2009
- 27. Layers • Take up the entire screen • Setup to handle touch and accelerometer • Can contain other layers and sprites (and other stuff) Thursday, October 1, 2009
- 28. Sprites Thursday, October 1, 2009
- 29. Director • Manages moving between Scenes • Pausing and running Scenes • Sets up OpenGL ES • Layer asks Director to move on Thursday, October 1, 2009
- 30. Thursday, October 1, 2009
- 31. cocos2d Specifics Thursday, October 1, 2009
- 32. Thursday, October 1, 2009
- 33. Important Classes • CocosNode • Scene • Layer • Director • AtlasSprite • AtlasSpriteManager Thursday, October 1, 2009
- 34. CocosNode Thursday, October 1, 2009
- 35. CocosNode • Lots of properties • position, scale, camera, OpenGL z position, children • Most objects in cocos2d inherit from CocosNode Thursday, October 1, 2009
- 36. Scene Thursday, October 1, 2009
- 37. Layer Thursday, October 1, 2009
- 38. Director(s) Thursday, October 1, 2009
- 39. AtlasSprite Thursday, October 1, 2009
- 41. Sprite vs. AtlasSprite Thursday, October 1, 2009
- 42. Sprites Thursday, October 1, 2009
- 43. AtlasSprite Thursday, October 1, 2009
- 44. Sprite vs. AtlasSprite • In general, don’t use Sprites • AtlasSprites way faster • It’s all about the OpenGL ES Thursday, October 1, 2009
- 45. Samples and Tests Thursday, October 1, 2009
- 46. Resources http://www.cocos2d-iphone.org/ Thursday, October 1, 2009
- 47. Resources Wiki: http://www.cocos2d-iphone.org/wiki/doku.php/ Thursday, October 1, 2009
- 48. Resources Forums: http://www.cocos2d-iphone.org/forum/ Thursday, October 1, 2009
- 50. Thanks! Thursday, October 1, 2009