[JAVA][Beginning Java 8 Games Development]

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Chapter 7 ■ The Foundation of Game Play Loop: The JavaFX Pulse System and the Game Processing Architecture Figure 7-20. Create an if-else loop that moves the HBox UI counterclockwise around the four corners of a splash screen As the figure illustrates, your code is error free, and you are ready to use the Run ➤ Project work process and watch the 60FPS fireworks! Get ready for some blinding speed! Next, let’s run the Live Results Profiler and Threads Profiler one last time to see if your pulse engine is cranking! Once you do this, you will know that you have successfully implemented your GamePlayLoop timing engine for your game, and you can then shift your focus to developing your game sprites, collision detection, physics, and logic! Profiling the GamePlayLoop: Pulse Engine Now, let’s use the Profile ➤ Profile Project (InvinciBagel) work process one final time to see if anything new has appeared in the Live Results and Threads tabs in NetBeans. Click the Live Results icon, shown at the left of Figure 7-21, and start the Live Results Profiler in a tab. Note that the GamePlayLoop object is created, using ; that an AnimationTimer is started, using the invincibagel.GamePlayLoop.start() entry in the Profiler output; and that there is an invincibagel.GamePlayLoop.handle(long) entry as well, which means that your game timing loop is being processed. www.it-ebooks.info 161
Chapter 7 ■ The Foundation of Game Play Loop: The JavaFX Pulse System and the Game Processing Architecture Figure 7-21. Run the Live Results Profiler As you can see, the Invocations column indicates how many pulses have accessed the .handle() method in the GamePlayLoop. It has only taken 40.1 milliseconds to process 3,532 pulses, so each pulse equates to 0.0114 milliseconds, or 114 nanoseconds, using the new Java 8 timing resolution. Thus, your current code for testing the pulse, or at least the JavaFX pulse engine, is running efficiently. Of course, you will need to remove this pulse engine testing code from the .handle() method before moving on to the next chapter, when you will start processing game assets and logic inside this method. Next, let’s scroll down one last time in the Profiler tab, displayed at the top left of Figure 7-21, and click the Threads icon, which is shown at the top left of Figure 7-22, to open the Threads tab. As you can see, the pulse engine is running, and pulse events can be seen processing in Thread-6 as well as the JavaFX Application Thread. 162 www.it-ebooks.info
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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 5 ■ An Introduction to Ga
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Chapter 12 Setting Boundaries for Y
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Chapter 13 ■ Animating Your Actio
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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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