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Building Android Games with Cocos2d-x

You're reading from   Building Android Games with Cocos2d-x Learn to create engaging and spectacular games for Android using Cocos2d-x

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Product type Paperback
Published in Mar 2015
Publisher Packt
ISBN-13 9781785283833
Length 160 pages
Edition 1st Edition
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Author (1):
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Raydelto Hernandez Raydelto Hernandez
Author Profile Icon Raydelto Hernandez
Raydelto Hernandez
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Toc

Table of Contents (10) Chapters Close

Preface 1. Setting Up Your Development Environment 2. Graphics FREE CHAPTER 3. Understanding Game Physics 4. User Input 5. Handling Text and Fonts 6. Audio 7. Creating Particle Systems 8. Adding Native Java Code 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When the game activity is no longer active, the background music and the sound effects will not stop automatically, they should be stopped manually by removing the following comment block from the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...

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