Introduction to Mobile Game Programming with Cocos2d-JS
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This document discusses an introductory presentation on mobile game programming with Cocos2d-JS. It provides an overview of the speaker's background and experience, outlines the agenda which includes an introduction to Cocos2d-JS, setting up the environment, terminology, workflow, looking at a sample game, audio, tools, ads and publishing. It also discusses platforms supported, prerequisites, installation, common commands, game development parts and terminology, the coordinate system, debugging and promoting games.
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Introduction to Mobile Game Programming with Cocos2d-JS
- 1. Intro to Mobile Game Programming with Cocos2d-JS 2014 - So Cal Code Camp - San Diego Troy Miles
- 2. Troy Miles Troy Miles aka the RocknCoder Over 30 years of programming experience Wrote a few games for Interplay in the 80's and 90’s Speaker and writer on all things web & mobile
- 5. Agenda, Session 1 What is Cocos2d-JS? Setting Up Your Environment Parts is Parts Workflow
- 6. Agenda, Session 2 Let’s look at a game Audio Cocos Studio + Other Tools Ads Publishing Promoting
- 7. Why make mobile games?
- 12. Text Family Guy: The Quest for Stuff TinyCo, Inc.
- 15. BADLAND Frogmind
- 18. History 2008 - Ricardo Quesada, a game developer in Argentina, writes a game framework named Cocos2d 2009 - After the iPhone SDK release, Cocos2d rewritten in Objective-C to become Cocos2d-iPhone 2010 - Zhe Wang, a developer in China, creates a fork, Cocos2d-x Chukong Technologies Inc, Zhe's company, develops Cocos2d-JS, -HTML5, and -Lua
- 19. Cocos2d-JS Cocos2d-x JavaScript version Full Cocos2d-x functionality Simplified JavaScript friendly API Code Once, Run Everywhere Mobile Native, Desktop, Web
- 22. Mac OS X iOS Android HTML 5 Mac OS X
- 23. Windows Windows 7 Android HTML5 Windows Phone 8 (soon)
- 24. Prerequisites
- 25. Android Java 6 or 7 Android ADT (NOT Android Studio) Android NDK
- 26. iOS Xcode
- 28. Desktops You can also build desktop apps for Windows and Mac OS X You will need Visual Studio and Xcode respectively I won’t speak further about this
- 29. Python 2 The cocos command line needs python to run python 2.7.5+ It won’t work with python 3 https://www.python.org/ downloads/
- 31. cocos command options new - Creates a new project compile - Compiles the current project to binary deploy - Deploy a project to the target run - Compiles & deploy project and then runs it on the target jscompile - minifies and/or compiles js files
- 32. cocos new cocos new -l js cocos new -l js —no-native cocos new projectName -l js -d ./Projects cocos new projectName -l js
- 33. Parts is Parts Project Files & Folders Terminology Coordinate system
- 34. Project files and folders frameworks/runtime/tools res - your resources src - your JS source code project.json - configuration main.js - JS boot code index.html - HTML markup
- 35. project.json debug - the current debug setting showFPS - whether or not to show the frame rate frameRate - the desired frame rate modules - cocos2d and potentially plugins jsList - all of your source code
- 36. Demo time
- 38. Terminology cc - Cocos2d, most classes prepended with this Director - takes care of navigation between scenes Node - Almost every element is a node Scene - a screen in your game Sprite - a 2D image that can be moved, rotated, scaled & more Layer - a special node which accepts user input
- 39. More terminology Action - an order given to a node, like animations Menu - Creates an onscreen menu LabelTTF - The simplest option for displaying text
- 40. Right handed coordinate system Different than web Origin (0,0) located at lower left hand of screen x position increases going right y position increases going up max x,y at upper right hand corner
- 42. Program editor I used WebStorm 8 It is available for Windows, Mac, and Linux It has a Chrome extension, JetBrains IDE Support, allows debugging
- 43. Deploying Choose Right click on index.html Click Debug “index.html”
- 44. Modifying Double tap a file to open it in the editor Modify the text as desire Click the refresh icon to run the code again
- 45. Debugging To set a break point, click in the gutter to the left of the text To set a conditional breakpoint, right click it and specify a condition Click again to delete it
- 46. Let’s look at a game Parts Scenes Player User Input Physics plug-in Collision detection
- 48. File formats All of the devices can play mp3 Only some of the browsers can
- 50. Playing sounds Playing sounds is easy Simply call the audioEngine’s playEffect method
- 51. Cocos Studio + Other Tools Animation Editor UI Editor Scene Editor Data Editor Tiled
- 52. Ads Ads are tough since there is no readily available JS module AdMob / AdSense iAds Microsoft Ads
- 54. iOS $99 a year for an individual in the local currency $299 for an enterprise Free for the university program Only developers can put apps on devices
- 55. Android $25 for a lifetime Anyone can put apps on a device
- 57. Promoting Family and Friends Social Media Web site Advertising
- 58. Summary Cocos2d-JS allows you to create fast cross platform games Installation and setup can be a bit tough Monetizing with Ads is also tough