Book Image

Learning AndEngine

By : Martin Varga
Book Image

Learning AndEngine

By: Martin Varga

Overview of this book

AndEngine is a very popular open source OpenGL (open graphics library) Android game engine, used to create mobile games quickly while maintaining the ability to fully customize them. This book will guide you through the whole development process of creating a mobile game for the Android platform using one of the most popular and easy-to-use game engines available today. Beginning with the very basics, you will learn how to install AndEngine, gather graphics, add sound and music assets, and design game rules. You will first design an example game and enhance it by adding various features over the course of the book. Each chapter adds more colors, enhances the game, and takes it to the next level. You will also learn how to work with Box2D, a popular 2D physics engine that forms an integral part of some of the most successful mobile games. By the end of the book, you will be able to create a complete, interactive, and fully featured mobile game for Android and publish it to Google Play.
Table of Contents (19 chapters)
Learning AndEngine
About the Author
About the Reviewers

Writing text

Now that we have our font loaded, we can use the Text class to print it to the screen. The Text class is nothing more than an entity that can assemble words and sentences from small one-letter sprites.

Adding text to the scene is very straightforward. Add a new private field for the score text and change the populate() method of the GameScene class as follows:

private Text scoreText;

public void populate() {

  scoreText = new Text(16, 784, res.font, "0123456789", new TextOptions(HorizontalAlign.LEFT), vbom);
  scoreText.setAnchorCenter(0, 1);

This will add the text 01234567890 to the top-left corner, at the position (16, 784) of the screen. The Text class allows you to specify the horizontal alignment of the text with the three obvious choices: left, center, and right. If we have not used the prepareLetters() method before, this constructor would create the letters for us too.

We are using a new method...