Book Image

Learning Android Game Development

By : Nikhil Malankar
Book Image

Learning Android Game Development

By: Nikhil Malankar

Overview of this book

In this book, we’ll start with installing Android studio and its components, and setting it up ready for Android N. We teach you how to take inputs from users, create images and interact with them, and work with sprites to create animations. You’ll then explore the various collision detection methods and use sprites to create an explosion. Moving on, you’ll go through the process of UI creation and see how to create buttons as well as display the score and other parameters on screen. By the end of the book, you will have a working example and an understanding of a 2D platform game like Super Mario and know how to convert your 2D games to 3D games.

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Table of Contents (17 chapters)
Title Page
Title Page
Credits
Credits
About the Author
About the Author
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Customer Feedback
Customer Feedback
Preface
Preface
Free Chapter
1
Introduction to Android N and Installation of Android SDK
Introduction to Android N and Installation of Android SDK
Introduction to Android N
Software requirements
The nuts and bolts of Android
Summary
2
Getting Familiar with Android Studio
Getting Familiar with Android Studio
Understanding the Android project structure
Summary
3
Managing Inputs
Managing Inputs
Resource folder in detail
Summary
4
Creating Sprites and Interactive Objects
Creating Sprites and Interactive Objects
Game Theory
Summary
5
Adding Animation to Your Game
Adding Animation to Your Game
Adding animations to make your game more awesome
Summary
6
Collision Detection and Basic Artificial Intelligence
Collision Detection and Basic Artificial Intelligence
Collision detection
Artificial Intelligence
Summary
7
Adding Boundaries and Using Sprites to Create Explosions
Adding Boundaries and Using Sprites to Create Explosions
Adding boundaries
Creating explosions
Summary
8
Adding an Explosion and Creating a UI
Adding an Explosion and Creating a UI
Adding an explosion to our game
Creating the UI for our game
Summary
9
Converting Your Game from 2D to 3D
Converting Your Game from 2D to 3D
Introduction to OpenGL ES
Learning about the 3D coordinate system
Creating a 3D scene with OpenGL ES
Summary
10
Working Further on 3D Game
Working Further on 3D Game
Rendering our object on screen
Adding colors to our object
Rotating our object
Creating a pyramid 3D object
Summary

Introduction to OpenGL ES

High-performance 2D and 3D graphics are supported on Android with the OpenGL library. We have the OpenGL ES API, which is used for this. This API specifies the interface for 3D graphics processing hardware. OpenGL is a huge library and from that, a part of it is OpenGL ES which is specifically created for embedded devices.

The various versions of the OpenGL ES API supported on Android are as follows:

  • 1.0 and 1.1: Supported by Android 1.0 and higher
  • 2.0: Supported by Android 2.2 (API level 8) and higher
  • 3.0: Supported by Android 4.3 (API level 18) and higher
  • 3.1: Supported by Android 5.0 (API level 21) and higher

You can read more general information about this on the official website for Android here at https://developer.android.com/guide/topics/graphics/opengl.html.

Using OpenGL ES, you can create 3D graphics on Android. Since we will be creating 3D objects, we will need to understand the coordinate system. Let's take a quick look at the 3D coordinates system that we...

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