[JAVA][Beginning Java 8 Games Development]

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Chapter 11 ■ Moving Your Action Figure in 2D: Controlling the X and Y Display Screen Coordinates Figure 11-14. After the four if statements, add statements calling the .setTranslate() methods off of the spriteFrame As you can see in Figure 11-14, the code is error- and warning-free, and we’re ready to test the code that we have written during the chapter, including a reorganized InvinciBagel.java class and its six new methods, the updated Bagel.java class and its .update() method, and the updated GamePlayLoop.java class, and its .handle() method. Testing Our New Game Design: Moving InvinciBagel We have made significant changes to our game application during this chapter, especially to the structure of the InvinciBagel.java class, adding six all-new methods, and moving our event handling code around completely. We created an iBagel Bagel object, and a castDirector CastingDirector object, using classes that we created in Chapter 10. We wired up our GamePlayLoop object and one of our Actor objects (an iBagel Bagel object) by using the <strong>Java</strong>FX pulse engine .handle() method in the GamePlayLoop.java class and the .update() method in the Bagel.java class. Now the time has come to use our Run ➤ Project work process and make sure that all of the <strong>Java</strong> code that we have put into place during this chapter does what it is supposed to do: that is, what we think that it should do. After all, that is what the programming practice is all about: writing code that we think will do something, running it to see if it does, and then debugging it to find out why it is not working, if in fact it is not. Once you click on the Play button at the top of the NetBeans IDE and invoke the Run ➤ Project process, the code will compile and the InvinciBagel game window seen in Figure 11-15 will open up on your desktop. The first thing that you should notice is that the InvinciBagel sprite is nowhere to be seen, since we added it to the root StackPane object first instead of last, and so the splashscreen and game user interface design is still working as intended. 246 www.it-ebooks.info
Chapter 11 ■ Moving Your Action Figure in 2D: Controlling the X and Y Display Screen Coordinates Figure 11-15. Use Run ➤ Project to start the game and click the PLAY GAME Button Next, let’s test your ActionEvent handling, and later, the KeyEvent handling, by clicking on the PLAY GAME Button control object. This should hide the splashScreenBackplate and splashScreenTextArea ImageView objects, and reveal the white background color which is set for the Scene object named scene using the Color.WHITE constant. As you can see, on the left half of Figure 11-16, this is indeed the case, and our InvinciBagel character is on the screen, and we are ready to test the KeyEvent handling that we put into place in Chapter 9, and see if we can get the InvinciBagel (iBagel Bagel object) character to move around on the screen. This is starting to get more and more exciting with each successive chapter that we finish! www.it-ebooks.info 247
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Contents at a Glance About the Auth
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Introduction The Java Programming L
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■ Introduction In Chapter 13 you
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Chapter 1 ■ Setting Up a Java 8 G
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Chapter 2 Setting Up Your Java 8 ID
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Chapter 2 ■ Setting Up Your Java
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Profiling Your Java 8 Game Applicat
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Chapter 3 ■ A Java 8 Primer: An I
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Chapter 4 ■ An Introduction to Ja
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Chapter 5 An Introduction to Game D
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Chapter 6 The Foundation of Game De
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Chapter 6 ■ The Foundation of Gam
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Chapter 7 The Foundation of Game Pl
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Chapter 8 Creating Your Actor Engin
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Chapter 8 ■ Creating Your Actor E
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Chapter 9 Controlling Your Action F
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Chapter 9 ■ Controlling Your Acti
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Chapter 14 ■ Setting Up the Game
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Chapter 15 Implementing Game Audio
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Chapter 15 ■ Implementing Game Au
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Chapter 16 ■ Collision Detection:
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Chapter 17 Enhancing Game Play: Cre
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Chapter 17 ■ Enhancing Game Play:
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■ index Background image (cont.)
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■ index InvinciBagel animation (c
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■ index Modifier keywords access
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Beginning Java 8 Games Development
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This Java 8 Game Development book i
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■ Contents NetBeans 8.0 Is User I
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■ Contents ■■Chapter 5: An In
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■ Contents Creating a Hero Superc
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■ Contents Organizing the .update
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■ Contents Optimizing the Scene G
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About the Author Wallace Jackson ha
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Acknowledgments I would like to ack
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