By Steffen Itterheim
Create compelling second video games with Learn cocos2d 2: video game improvement with iOS. This publication indicates you the way to exploit the robust new cocos2d, model 2 online game engine to advance video games for iPhone and iPad with tilemaps, digital joypads, online game heart, and extra. It teaches you:
- The approach and most sensible practices of cellular online game improvement, together with sprite batching, texture atlases, parallax scrolling, contact and accelerometer enter.
- How to reinforce your video games utilizing the Box2D and Chipmunk physics engines and different cocos2d-related instruments and libraries.
- How so as to add UIKit perspectives to cocos2d and the way so as to add cocos2d to UIKit apps.
- The fine details of the Kobold2D improvement surroundings for cocos2d and its pre-configured libraries, together with cocos3d and Lua.
Best of all, this booklet will have you ever making video games correct from the very begin. It courses you step by step during the construction of pattern video games. those enjoyable examples are modeled after well known App shop video games and educate you key options of the hot cocos2d 2 online game engine and appropriate instruments like TexturePacker (texture atlas), PhysicsEditor (physics collision shapes), Particle clothier (particle effects), Glyph dressmaker (bitmap fonts), and others.
This publication deals a rock-solid creation to making video games made fullyyt with cocos2d and very little iOS SDK and OpenGL code. It additionally information replacement implementations, identifies the easiest loose and advertisement instruments for cocos2d video game improvement, positive aspects assurance of the author's better cocos2d video game engine (Kobold2D), or even is helping you improve your game's marketability at the App Store.
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Extra resources for Learn cocos2D 2
It simply means that in Objective-C you have to manually call the superclass’s init method. There’s no automatic call to the parent class. And you do have to assign self the return value of the [super init] message because it might return nil. Listing 2-2. height / 2); CHAPTER 2: Getting Started 41 // add the label as a child to this Layer [self addChild:label]; } return self; } The CCLabelTTF class draws text on the screen using a TrueType font. If you’re deeply concerned by the way Objective-C programmers write the call to [super init], here’s an alternative that might ease your mind, even though it’s not as common among cocos2d developers.
0, and all source code is using ARC. Chapter 2, “Getting Started” I cover setting up cocos2d for development, installing project templates, and creating the ﬁrst “Hello World” project. You’ll learn about cocos2d basics, such as scenes and nodes. Chapter 3, “Essentials” I explain the essential cocos2d classes that you’ll need most often, such as sprites, transitions, and actions. And you’ll learn how to use them, of course. Chapter 4, “Your First Game” Enemies drop from the top, and you have to avoid them by tilting your device.
This will change the label’s size every time you touch the screen. Because getChildByTag will always return the label, you can safely cast it to a(CCLabelTTF*) object. However, be aware that doing so will crash your game if the retrieved object isn’t derived from the CCLabelTTF class for some reason. This could easily happen if you accidentally give another object the same tag number 13. For that reason, it’s good practice to use a defensive programming style and verify that what you’re working with is exactly what you expect.