[JAVA][Beginning Java 8 Games Development]

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Chapter 2 ■ Setting Up Your Java 8 IDE: An Introduction to NetBeans 8.0 Unblocking the Java 8 Platform Binary via the Windows Firewall If you get the dreaded Blocked Features network dialog, presented in Figure 2-16, select the Allow Java Platform SE binary to communicate on Private networks, such as my home or work network check box, and then click the Allow access button, which will allow the Java 8 platform SE binary to communicate through the Windows firewall. Figure 2-16. Allow Java features to be used by clicking Allow access After you allow access to the Java 8 platform SE binary, the NetBeans 8.0 profiling tool can (and will) run and will generate basic profiling telemetry results. You will take a closer look at these in the following sections, which deal how to analyze profiling results and what they reveal in terms of how your application uses memory and CPU resources. Analyzing the NetBeans IDE 8.0 Game Project CPU Profiling Tool Results The NetBeans Profiler essentially looks at memory usage and the CPU time used to execute your code. The less memory used, and the faster the CPU times (which equates to fewer CPU processing cycles required to execute code), the better optimized your application is. The Profiler also looks at code- (software-) related things, such as method calls and thread states, which you will be learning about over the course of this book. www.it-ebooks.info 35
Chapter 2 ■ Setting Up Your Java 8 IDE: An Introduction to NetBeans 8.0 After you run the NetBeans 8.0 Profiler, you will see that a Profiler tab has been added to your Projects, Files, and Services tabs, at the left of the IDE, as illustrated in Figure 2-17. You examined these other three tabs earlier in the chapter (see the section “NetBeans 8.0 Is Efficient: Organized Project Management Tools”), so let’s explore the Profiler tab now. Figure 2-17. Profile’s Basic Telemetry section, at the left of the IDE, under the Profile tab, shows methods, threads, and total and used memory At the top of the Profiler tab is the Controls section, with Stop (Terminate) Profiled Application, Reset Collected Profiling Results Buffer, Garbage Collection, Modify Profiling Session, and VM Telemetry Overview icons. Below these is the Status section, showing the type of profiling you have selected (in this case, CPU), the configuration (Analyze Performance), and the Status (Running). The Profiling Results section contains icons that open tabs in the code editor section regarding profiling data results (reports), and the View section does the same thing for virtual memory (VM) telemetry, threads, and thread lock contention. You will be looking at some of these in the next section, when you profile memory usage (you are currently profiling CPU usage). You can save snapshots of various points in time during your code profiling sessions in the Saved Snapshots section. The Basic Telemetry section shows statistics regarding the profiling session, including number of methods, filter settings, threads running, and memory usage. 36
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Page 4 and 5: Contents at a Glance About the Auth
Page 6 and 7: Introduction The Java Programming L
Page 8 and 9: ■ Introduction In Chapter 13 you
Page 10 and 11: Chapter 1 ■ Setting Up a Java 8 G
Page 26 and 27: Chapter 2 Setting Up Your Java 8 ID
Page 28 and 29: Chapter 2 ■ Setting Up Your Java
Page 40 and 41: Profiling Your Java 8 Game Applicat
Page 50 and 51: 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 6 The Foundation of Game De
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Chapter 6 ■ The Foundation of Gam
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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 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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