[JAVA][Beginning Java 8 Games Development]

Chapter 17 ■ Enhancing Game Play: Creating a Scoring Engine, Adding Treasure and an Enemy Auto-Attack Engine
Figure 17-13. Create a new Java class named Treasure.java extends Actor and create Treasure() and update() methods
Using the Treasure Class: Create Treasure Objects in the Game
Now that we have a Treasure.java class, we can create Treasure objects for the game. As you know, this will be done in
the InvinciBagel.java class. Declare package protected (since we’re going to reference them outside of InvinciBagel,
in Bagel.java) Treasure objects, and name them iTR0 and iTR1 (stands for InvinciBagel Treasure). Add iT0 and iT1
Image object declarations to the end of your private Image objects compound declaration. Instantiate the iT0 and iT1
Image objects using the Java new keyword, the Image() constructor method, and the treasure1.png and treasure2.png
image assets, respectively. After that, you can create the iTR0 and iTR1 Treasure objects, using the Treasure()
constructor method, SVG path data of 0,0, 0,64, 64,64 and 64,0 and locations of 50,105 and 533,206 respectively. Make
sure that you add these new Treasure object’s spriteFrame ImageView Nodes to the JavaFX Scene Graph, using the
.getChildren().add() method chain, called off of the root Group object. As you can see in Figure 17-14, the code
is error-free, and we are now ready to test the new Treasure.java class and the Java code that we have added to the
InvinciBagel.java class to see if we can get Treasure in the game Scene. Your Java code should look like the following:
Treasure iTR0, iTR1; // These Object Declarations go at the top of the InvinciBagel class
private Image iB0, iB1, iB2, iB3, iB4, iB5, iB6, iB7, iB8, iP0, iP1, iT0, iT1;
iT0 = new Image("/treasure1.png", 64, 64, true, false, true); // .loadImageAssets() Method
iT1 = new Image("/treasure2.png", 64, 64, true, false, true);
iTR0 = new Treasure("M0 0 L0 64 64 64 64 0 Z", 50, 105, iT0); // .createGameActors() Method
iTR1 = new Treasure("M0 0 L0 64 64 64 64 0 Z", 533, 206, iT1);
root.getChildren().add(iTR0.spriteFrame);
root.getChildren().add(iTR1.spriteFrame);
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