Basic Game Example

In this tutorial we are going to create a very basic game. I assume that you have completed Setting up FXGL one way or another and have a Java project in your IDE that has access to the latest version of the FXGL library.

Pre-coding stage

First and foremost, let's define some requirements for our simple game:

• A 600x600 window.
• There is a player on the screen, represented by a blue rectangle.
• The user can move the player by pressing W, S, A or D on the keyboard.
• UI is represented by a single line of text.
• When the player moves, the UI text updates to show how many pixels the player has moved during his lifetime.

Although it may not sound like a game, it will help you understand the basic features of FXGL. After you have finished this tutorial, you should be able to build a variety of simple games.

Now that we have a rough idea of what we are expecting from the game, we can go back to the IDE and create a package for our game. (Note: the directory structure is similar to the Maven directory structure, however, if you don't know what this is, don't worry. We will cover the structure at a later stage. At this point having "src" as the main source directory is sufficient). I'm going to use "com.myname.mygame" as the package name, where myname can optionally be replaced with your username and mygame with the game name.

1. Create package "com.myname.mygame" in your IDE.
2. Create a Java class name MyGameApp in that package.