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  • Book Overview & Buying Sparrow iOS Game Framework Beginner's Guide
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Sparrow iOS Game Framework Beginner's Guide

Sparrow iOS Game Framework Beginner's Guide

By : Stein
4 (1)
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Sparrow iOS Game Framework Beginner's Guide

Sparrow iOS Game Framework Beginner's Guide

4 (1)
By: Stein

Overview of this book

An easy-to-follow guide full of descriptive step-by-step procedures on how to develop a game for iOS. With each topic, a new challenge will be tackled to get a deeper knowledge of the Sparrow game framework and gain the skills to develop a complete mobile experience. This book is aimed at those who have always wanted to create their own games for iOS devices. Perhaps you've already dabbled in game development and want to know how to develop games for the Apple App Store, or maybe you have developed Objective-C apps in the past but you are new to game development. In either case, this book will help with descriptive examples and teach you to develop a game throughout its course. Some experience in Objective-C and a basic understanding of object-oriented programming are required.
Table of Contents (15 chapters)
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13
Afterword
14
Index

Explaining macros

While we know that we can use colors with the hexadecimal notation, Sparrow provides some shorthand constants for the most commonly used colors. In the previous example, instead of using 0xffff00 for the color yellow, we used SP_YELLOW.

To generalize, macros are handy little functions that allow us to simplify the workflow when working with repetitious tasks.

Macros in Objective-C are preprocessor directives and work the same way that macros work in C and C++. Before the code is compiled, the preprocessor goes through the entire code and replaces all occurrences of the macro with the result of the macro.

While we could write each color in the hexadecimal color value notation, sometimes it does make more sense to use an RGB value. The SP_COLOR macro does exactly that, converting a RGB color into a hexadecimal color value.

In this section, we will look at what the different kinds of macros are and how to use them.

The Angles macro

Sparrow uses radians to describe the rotation...

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Tech Concepts
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Programming languages
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