Cocos2dx: Pausing a sound after finite seconds

This is one way to play loop a sound and then pausing it after 15 secs. See green comments for explanation.

#include <SimpleAudioEngine.h>

bool HelloWorld::init()

{

   

    if ( !Layer::init() )

    {

        return false;

    }

    

    

   

    const char* sound = "audio/CanBomb.mp3";

    

    //create the sound and play loop it

    auto audio=CocosDenshion::SimpleAudioEngine::getInstance();

    audio->preloadEffect(sound);

    int soundId = audio->playEffect(sound,true);//true: looping sound

  
    //create the action to delay 15 secs

    auto actionDelay = DelayTime::create(15);

    

    //create the action to pause sound

    auto callbackAudio = CallFunc::create([](){

        CocosDenshion::SimpleAudioEngine::getInstance()->pauseEffect(soundId);

    });

    //create sequence putting in delay and pause action created above

    auto actionSequence = Sequence::create(actionDelay,callbackAudio, NULL);

    //run the action

    this->runAction(actionSequence);

    

    return true;

}

This is another way to do it:

#include <SimpleAudioEngine.h>

bool HelloWorld::init()

{

   

    if ( !Layer::init() )

    {

        return false;

    }

    

    

   

    const char* sound = "audio/CanBomb.mp3";

    

    //create the sound and play loop it

    auto audio=CocosDenshion::SimpleAudioEngine::getInstance();

    audio->preloadEffect(sound);

    int soundId = audio->playEffect(sound,true);//true: looping sound

    this->schedule(schedule_selector(HelloWorld::StopSound), 15);

    

    return true;

}

//Declare it in header file as well:
void HelloWorld::StopSound(float dt){

    

    CocosDenshion::SimpleAudioEngine::getInstance()->pauseEffect(soundId);

}

-----------------------------------------------------------------------

//The header file
class HelloWorld : public cocos2d::Layer
{

public:

    // there's no 'id' in cpp, so we recommend returning the class instance pointer

    static cocos2d::Scene* createScene();

    

    // implement the "static create()" method manually

    CREATE_FUNC(HelloWorld);

    

   

    

    void StopSound(float dt);

};