cocos2dx3.3线程简单使用

概述// HelloWorld声明添加变量 #ifndef __HELLOWORLD_SCENE_H__ #define __HELLOWORLD_SCENE_H__ #include "cocos2d.h" class HelloWorld : public cocos2d::Layer { public:     // there's no 'id' in cpp, so we recommend

//HelloWorld声明添加变量

#ifndef __HELLOWORLD_SCENE_H__

#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"

class HelloWorld : public cocos2d::Layer

{

public:

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

static cocos2d::Scene* createScene();

// Here's a difference. Method 'init' in cocos2d-x returns bool,instead of returning 'ID' in cocos2d-iphone

virtual bool init();

voID runStartMyThread();

voID runStartMyThread2(); // a selector callback

voID menuCloseCallback(cocos2d::Ref* pSender);

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

CREATE_FUNC(HelloWorld);

private:

int m_nStore = 50;

std::mutex m_mutex; ／／／／互斥变量，用来锁定线程

};

#endif // __HELLOWORLD_SCENE_H__

voID HelloWorld::runStartMyThread()

{

while (m_nStore > 0) {

m_mutex.lock();

cclOG("%d",m_nStore);

--m_nStore;

m_mutex.unlock();

}

}

voID HelloWorld::runStartMyThread2()

{

while (m_nStore > 0) {

m_mutex.lock();

cclOG("%d",m_nStore);

--m_nStore;

m_mutex.unlock();

}

}

// on "init" you need to initialize your instance

bool HelloWorld::init()

{

//////////////////////////////

// 1. super init first

if ( !Layer::init() )

{

return false;

}

std::thread t(&HelloWorld::runStartMyThread,this);

//t.join(); 该函数表示等待执行完线程在执行主线程

t.detach();

std::thread t2(&HelloWorld::runStartMyThread2,0)"> //t.join();

t2.detach();

}

结果如下：

cocos2d: 50

cocos2d: 49

cocos2d: 48

cocos2d: 47

cocos2d: 46

cocos2d: 45

cocos2d: 44

cocos2d: 43

cocos2d: 42

cocos2d: 41

cocos2d: 40

cocos2d: 39

cocos2d: 38

cocos2d: 37

cocos2d: 36

cocos2d: 35

cocos2d: 34

cocos2d: 33

cocos2d: 32

cocos2d: 31

cocos2d: 30

cocos2d: 29

cocos2d: 28

cocos2d: 27

cocos2d: 26

cocos2d: 25

cocos2d: 24

cocos2d: 23

cocos2d: 22

cocos2d: 21

cocos2d: 20

cocos2d: 19

cocos2d: 18

cocos2d: 17

cocos2d: 16

cocos2d: 15

cocos2d: 14

cocos2d: 13

cocos2d: 12

cocos2d: 11

cocos2d: 10

cocos2d: 9

cocos2d: 8

cocos2d: 7

cocos2d: 6

cocos2d: 5

cocos2d: 4

cocos2d: 3

cocos2d: 2

cocos2d: 1

cocos2d: run in main thread

总结

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