[JAVA][Beginning Java 8 Games Development]

Chapter 12 ■ Setting Boundaries for Your Action Figure in 2D: Using the Node Class LocalToParent Attribute
to remove the private modifier or replace it with a different modifier keyword for any reason, we can, but it is best to
work from a place of total object encapsulation if possible from the start, and then open up the object if we need to
later on. The Java code statements for making all data fields inside of our InvinciBagel class encapsulated are:
private Scene scene;
private Image splashScreen, instructionLayer, legalLayer, scoresLayer;
private Image iB0, iB1, iB2, iB3, iB4, iB5, iB6, iB7, iB8;
private ImageView splashScreenBackplate, splashScreenTextArea;
private Button gameButton, helpButton, scoreButton, legalButton,;
private Insets buttonContainerPadding;
private GamePlayLoop gamePlayLoop;
private CastingDirector castDirector;
As you can see in Figure 12-12, the code for all of the classes and modifications we have made thus far are errorfree,
and we are ready to build more complex Java statements that control our primary character sprite on top of
technically correct Java code that follows industry standard Java 8 programming practices.
Figure 12-12. Make all of the variable declarations after the iBagel Bagel object declaration use private access control
Next, we will get back into our Bagel.java class, and the .update() method, and start to refine (and organize) that
code into more logical methods, so that our .update() method becomes more of a “top-level” method, that calls lowerlevel
method “Java code blocks” that implement things such as key event processing, character movement, screen
boundaries, sprite Image state, and so on.
This will allow us to put a more complex “workload” on the Bagel character’s .update() method by calling logical
methods such as .setXYLocation(), .moveInvinciBagel(), and .setBoundaries(), and later on during this book,
.setImageState(), .checkForCollision() and .playAudioClip() for example. In this way, your .update() method calls
other methods containing logical code blocks. This keeps your Java code well organized and makes programming
logic easier to visualize.
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