Book Image

Creating Mobile Apps with Appcelerator Titanium

By : Christian Brousseau
Book Image

Creating Mobile Apps with Appcelerator Titanium

By: Christian Brousseau

Overview of this book

Smartphones and tablets have really changed the technological landscape over the last 3-4 years. Much like the web did in the last decade, these powerful tools have changed the way people communicate and access information. Such a wide market creates opportunities for developers who have the skills to develop mobile applications. "Creating Mobile Apps with Appcelerator Titanium" is a practical, step-by-step guide to building iPhone, iPad, and Android applications using JavaScript. This book will give you a solid grounding of the dos and don'ts of mobile development and also covers a lot of the functionalities offered by the Titanium platform. This book begins with a look at what the Titanium platform has to offer. By taking you through clear tutorials on developing each application step-by-step, it helps you to apply your newly acquired knowledge afterwards. The difficulty level gradually increases along the course of the book. Each application from this book covers different aspects of mobile development. Every chapter starts by defining the application's features as well as the user interface structure. Every single code section is then explained and put into context allowing you to gain a clear understanding of their purpose and functionality. The book takes a “small milestone” approach, allowing you to actually run the application and see the progression. Every step is accompanied by many screenshots so you can see the expected result on screen. You will learn everything you need to know to develop your very own mobile applications. The book takes a laid-back approach to Titanium development and provides information in a way designed to never overwhelm the reader with information and also uses clear diagrams, screenshots, and tips throughout.
Table of Contents (18 chapters)
Creating Mobile Apps with Appcelerator Titanium
About the Author
About the Reviewers

Our hero moves, but he's still pretty stiff

One thing you may have noticed while moving our hero around the map is that no matter where our hero goes, he always faces the same direction (downwards). While this behavior was widely accepted in the 1980s, the same cannot be said for today's games, even for mobile games. We will now address this in the following section.

Make sure he walks in the right direction

As the title says, there are two new things our hero must be able to do. The first one is walking, which will involve animation. The second one is facing the right direction, which will involve using more features of our sprite sheet.

Since our Character class contains everything related to our hero, we will open the character.js file and add a new function named turnTowards to the self variable. Since our constructor function returns the self variable, every single character in our game will now have a turnTowards function, hence making it accessible to the outside world.

The character...