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  • Building Android Games with Cocos2d-x
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Building Android Games with Cocos2d-x

Building Android Games with Cocos2d-x

By : Hernandez
4.3 (8)
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Building Android Games with Cocos2d-x

Building Android Games with Cocos2d-x

4.3 (8)
By: Hernandez

Overview of this book

If you have a basic understanding of the C++ programming language and want to create videogames for the Android platform, then this technology and book is ideal for you.
Table of Contents (10 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Setting Up Your Development Environment
1. Setting Up Your Development Environment
Cocos2d-x overview
Setting up Java
Setting up the Android SDK
Setting up the Android Native Development Kit
Setting up Apache Ant
Setting up Python
Setting up Cocos2d-x
Template code walk-through
Summary
2
2. Graphics
2. Graphics
Creating scenes
Pausing the game
Understanding nodes
Understanding sprites
Understanding actions
Animating sprites
Game menus
Putting everything together
Summary
3
3. Understanding Game Physics
3. Understanding Game Physics
Setting up the physics world
Collision detection
Handling gravity
Putting everything together
Summary
4
4. User Input
4. User Input
Understanding the Event Dispatcher mechanism
Handling the touch event
Handling accelerometer events
Keeping the screen alive
Handling the Android back key pressed event
Putting everything together
Summary
5
5. Handling Text and Fonts
5. Handling Text and Fonts
Creating TrueType font labels
Creating system fonts
Creating bitmap font labels
Putting everything together
Summary
6
6. Audio
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6. Audio
Playing background music and sound effects
Modifying audio properties
The new audio engine
Adding a mute button to our game
Putting everything together
Summary
7
7. Creating Particle Systems
7. Creating Particle Systems
Creating collections of the Cocos2d-x objects
Adding particle systems to our game
Configuring the particle systems
Creating customized particle systems
Putting everything together
Summary
8
8. Adding Native Java Code
8. Adding Native Java Code
Understanding the Cocos2d-x structure for the Android platform
Understanding the JNI capabilities
Adding Java code to the Cocos2d-x game
Adding ads to the game by inserting Java code
Configuring the environment
Modifying the Android manifest
Putting everything together
Summary
9
Index
Index

Modifying audio properties

You can easily modify the background music and the basic audio properties of the sound effect by calling the setBackgroundMusicVolume method and the setEffectsVolume method. Both receive a float value as a parameter, where 0.0 means mute and 1.0 means maximum volume, as the following code listing shows:

SimpleAudioEngine::getInstance()->setBackgroundMusicVolume(0.5f);
SimpleAudioEngine::getInstance()->setEffectsVolume(1.0f);

Handling audio when leaving the game

When the game activity is no longer active, the background music and the sound effects will not stop automatically, they should be stopped manually by removing the following comment block from the applicationDidEnterBackgound method in the AppDelegate class:

// if you use SimpleAudioEngine, it must be pause
 SimpleAudioEngine::getInstance()->pauseBackgroundMusic();

In order to make this new line of code work, we need to add the same line that we have added to the HelloWorld.cpp implementation file in...

End of Section 2
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