Cocos2d-x C++ Windows 8 &Windows Phone 8
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In the first of two sessions, we will explore using Cocos2d-x, a free and open source game engine. It runs on Windows, Mac OS X, and Linux and builds games for every popular phone, tablet, and desktop platform. It uses C++ to get close to metal performance and a smart and logical set of classes to make it easy. Don't let the C++ scare you off. We are using Cocos2d-x to create fun platform games, not building complicated financial software. So long as you know at least one curly brace language you will be able to write Cocos2d-x style C++. We will explore how to install Cocos2d-x. How to build the test apps and finally how to build your own apps specifically for Windows 8 and Windows Phone 8, but the code will run on iOS, Mac, and Android too.
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Cocos2d-x C++ Windows 8 &Windows Phone 8
- 1. Cross Platform Game Programming with Cocos2d-x (Windows 8) SoCal Code Camp - 15 November 2014 Troy Miles
- 3. Who am I? Troy Miles Wrote a few hit computer games in the 80’s and 90’s rockncoder@gmail.com https://github.com/Rockncoder http://www.slideshare.net/rockncoder @therockncoder
- 6. What is Cocos2d-x? Open source game engine under MIT license It is optimized for 2D graphics using OpenGL Used by more than 400,000 developers worldwide
- 7. History 2008 Ricardo Quesada in Argentina creates Cocos2d Ported to iPhone with the opening of the iPhone App Store 2010 Zhe Wang in China branches it creating Cocos2d-x 2013 Ricardo joins Cocos2d-x team
- 8. Target Platforms Windows Phone 8+ iPhone 5+ Android 2.3+ Windows 7+ Mac OS X 10.6+
- 9. Development Platforms Windows 7+, VS 2012+ Mac OS X 10.7+, Xcode 4.6+ Ubuntu 12.10+, CMake 2.6+ All platforms need Python 2.7.5 (not 3!)
- 10. Development Languages C++ Lua JavaScript (all except WP8)
- 11. Why C++? It is the most popular game programming language It is universal It is fast It really isn’t that hard C++ 11 makes it even better
- 12. Mandatory Tools In order to build iPhone apps, you need Xcode In order to build Windows Phone apps, you need Visual Studio
- 15. Text Family Guy: The Quest for Stuff TinyCo, Inc.
- 18. BADLAND Frogmind
- 20. Key Points Cocos2d has been around since 2008 Cocos2d-x uses C++ for speed A lot of big name titles use it It has always been free and always will be
- 22. Windows Development Python 2.7.5 Visual Studio 2012+ Windows Phone SDK 8
- 24. Download & Installation http://www.cocos2d-x.org/download Click “Looking for an older version?” Click “v3.2 Jul. 18, 2014” Unzip it
- 25. v2 vs v3 Current version is 3.2, 3.3 is in beta Version 3.0 is a re-write using C++ 11 Many V2 classes have been deprecated and renamed Updated directory structure Better command line tooling Drops Xcode templates
- 26. Windows 8 Path Settings -> Control Panel -> System -> Advanced system settings Environmental Variables… System variables modal Path Edit... Add "[cocos2d-x root]toolscocos2d-consolebin"
- 27. Running C++ Tests Open file "cocos2d-wp8.vc2012.sln" in build directory Make cpp-tests the StartUp project Compile and run
- 28. Key Points Cocos2d-x version 3 was a complete re-write Installing cocos2d-x on windows is pretty easy Getting the C++ Test app to compile and run is essential
- 31. Audio Sound effects Background music CocosDenshion library (Open AL) Support audio is platform dependent
- 32. Physics Chipmunk2D Portable 2-dimensional real-time rigid body physics engine Written in C99 by Scott Lembcke Box2d Free open source 2-dimensional physics simulator engine Written in C++ by Erin Catto Published under the zlib license
- 33. Network HTTP + SSL WebSocket API XMLHttpRequest API
- 34. User Input Touch/Accelerometer on mobile devices Touch/Mouse/Keyboard on desktop Game controller support
- 35. 2D Graphics Transitions between scenes Sprites and Sprite Sheets Effects: Lens, Ripple, Waves, Liquid, etc. Transformation Actions: Move, Rotate, Scale, Fade, Tint, etc. Composable actions: Sequence, Spawn, Repeat, Reverse
- 36. 2D Graphics Ease Actions: Exp, Sin, Cubic, Elastic, etc. Misc actions: CallFunc, OrbitCamera, Follow, Tween Particle system Skeleton Animations: Spine and Adobe DragonBone Fast font rendering using Fixed and Variable width fonts
- 37. 2D Graphics TrueType fonts Tile Map support: Orthogonal, Isometric and Hexagonal Parallax scrolling Motion Streak Render To Texture
- 38. 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
- 39. C++ Test Demo
- 41. Key Points Cocos2d-x is feature packed Its classes follow a logical progression which makes them easy to learn
- 42. Cocos2d-x: Building a Game
- 43. Cocos command options new - creates a new game run - compile, deploy, and run on game on target deploy - deploy game to target compile - compiles game luacompile - minifies Lua files and compiles jscompile - minifies JS files and compiles
- 44. Cocos command options -h, —help - Shows the help -v, —version - Shows the current version
- 45. Creating a new game Open the cmd window Validate that cocos is in your path, cocos <enter> cocos new GameName -p com.company.name -l cpp
- 46. new command explained MyGame: name of your project -p com.MyCompany.MyGame: package name -l cpp: programming language used for the project, valid values are: cpp, lua, and js
- 48. WP8 Platform Directory The solution file Leave everything else alone
- 49. Class Directory AppDelegate initializes cocos2d-x HelloWorldScene is where your game begins
- 50. Hello World Use Visual Studio to build and deploy the game Best to use actual device
- 51. Debugging Right click on project name Click on Properties Click on Debug tab (left side, second from top) Under UI Task, select Native Only
- 52. Graphics Diagnostics 82 <-- number of draw calls 0.016 <-- time it took to render the frame 60.0 <-- frames per second In the file, AppDelegate.cpp find the line: director->setDisplayStats(true);
- 53. Memory Diagnostics Windows Phone adds a Memory Diagnostics First value is current memory usage, second is the peak Like the Graphics Diagnostics, it can be removed In MainPage.xaml.cs, near the top of the file Comment out definition of DISPLAY_MEMORY
- 54. Examining the code AppDelegate.cpp initializes cocos2d-x and launches your game HelloWorldScene.cpp is your game Initially it doesn’t do much
- 55. Adding Scenes Scenes are actually derived from the Layer class Add scene for main, game, pause, end game Add colors to scenes Add transitions
- 56. Adding Classes For cross platform-ness we want preserve our directory structure Visual Studio needs to be tricked We add the class, remove it, move it to correct directory, then add it back
- 57. Class Template Most of the classes we add look like this Prefer using #ifndef over #pragma once Remember to include base class
- 58. CREATE_FUNC Unlike Java, C#, or even JavaScript, C++ programs manage their own memory cocos has memory manage CREATE_FUNC adds it to your class
- 59. How the Scene is launched Currently we are still using the HelloWorldScene instead of our fancy new MainScene Open file AppDelegate.cpp, find: auto scene = HelloWorld::createScene();
- 60. The Game Loop The central component of any game Allows game to run smoothly regardless of user input Allows game to run at same speed regardless of machine
- 61. Game Loop Reality In the scene init add, this->scheduleUpdate() Add an update method, void HelloWorld::update(float dt) The update method should be as fast as possible
- 62. Steps Add a background Add a hero Move the hero Detect touches Animate Hero
- 63. Steps Adding sound Adding music Adding scenes
- 65. Summary Cocos2d-x is a free open source game engine It supports Windows, WP8, iOS, Android, and more https://github.com/Rockncoder/PlaneGame2