////  clockBackgroundScene.h//  Clock_1////  Created by mzy1992 on 13-11-25.////#ifndef __Clock_1__clockBackgroundScene__#define __Clock_1__clockBackgroundScene__#include <iostream>#include "cocos2d.h"#include "hourHand.h"#include "secondHand.h"#include "minuteHand.h"USING_NS_CC;class clockBackgroundScene : public CCLayer{public:	virtual bool init();	static CCScene * scene();         //创建场景对象的方法	CREATE_FUNC(clockBackgroundScene);	void MutUpdate(float aa);//自定义的update函数public:	hourHand * m_hour;       //创建hourHand类的对象	minuteHand * m_minute;	secondHand * m_second;public:	int nHour;      //当前的系统时间	int nMinute;	int nSecond;};#endif /* defined(__Clock_1__clockBackgroundScene__) */

////  clockBackgroundScene.cpp//  Clock_1////  Created by mzy1992 on 13-11-25.////#include "HelloWorldScene.h"CCScene * clockBackgroundScene::scene(){	clockBackgroundScene * layer = clockBackgroundScene::create();	CCScene * scene = CCScene::create();	scene->addChild(layer);	return scene;}bool clockBackgroundScene::init(){	CCSize winSize = CCDirector::sharedDirector()->getWinSize(); //获取屏幕大小	CCSprite * clockBk = CCSprite::create("background.jpg");     //创建一个精灵	clockBk->setPosition(ccp(winSize.width / 2, winSize.height / 2));//设置背景精灵的坐标	clockBk->setScale(0.5f);                                    //将精灵缩小为原来的0.5倍	this->addChild(clockBk);                                   //将时钟背景添加到屏幕上		m_minute = minuteHand::create();                            //创建分针对象//	m_minute->bindSprite(CCSprite::create("fen.png"));//初始化也可以放在m_minute的init方法内//	m_minute->setPosition(ccp(winSize.width / 2, winSize.height / 2));	this->addChild(m_minute);	m_second = secondHand::create();	m_second->bindSprite(CCSprite::create("miao.png"));	m_second->setPosition(ccp(winSize.width / 2, winSize.height / 2));	this->addChild(m_second);	m_hour = hourHand::create();                                 //创建时针对象	m_hour->bindSprite(CCSprite::create("shi.png"));           //调用hourHand类中的bindSprite方法绑定精灵对象	m_hour->setPosition(ccp(winSize.width / 2, winSize.height / 2));	this->addChild(m_hour);	//获取当前的系统时间	struct tm *tm;	time_t timep;#if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32)  	time(&timep);#else  	struct timeval tv;	gettimeofday(&tv, NULL);	timep = tv.tv_sec;#endif  	tm = localtime(&timep);	nHour = tm->tm_hour;	nMinute = tm->tm_min;	nSecond = tm->tm_sec;    //	CCLog("%d-%d-%d", nHour, nMinute, nSecond);  //打印出来对比一下获取的时间是否有误//	nHour = 12;         //当前时//	nMinute = 5;        //当前分//	nSecond = 5;        //当前秒	this->schedule(schedule_selector(clockBackgroundScene::MutUpdate), 1.0f); //每隔一秒钟调用一次MutUpdate方法	return true;}void clockBackgroundScene::MutUpdate(float aa){	static int mRotation = nMinute * 6;  //分针初始角度	static int sRotation = nSecond * 6;  //秒针初始角度	static int hRotatio;            /*小时的计数不同于分和秒，分和秒一个周期都是60，而小时数在一天之中是从1-24，我们需要将获取到的时间先转换									成12时制，再将其按照比例变成60为周期的数，即给当前小时*5 */	if (nHour>12){                     //当 当前时间大于上午12点时		hRotatio = (nHour - 12) * 5 * 6 + (mRotation / 72) * 6;   /*将其转换成12时制 并*5变成以60为周期的数，因为60对应360度，所以应换算成度数应再*6，																  换算完成后还应该加上分针走过的偏转角，由于分针走360度，时针走30度，所以分针每走72度时针走6度*,故用分针旋转角除以72后再乘以6 */	}	else{                             //当前时间小于或等于12点		hRotatio = (nHour)* 5 * 6 + (mRotation / 72) * 6;	}	m_second->setRotation(sRotation);  //重新设置秒针的位置，另其角度顺时针旋转6度，即走一秒钟	m_minute->setRotation(mRotation);  //重置分针位置	m_hour->setRotation(hRotatio);     //重置时针位置	if (sRotation >= 360){                //当秒针走了一圈（360度）时		sRotation = 0;                   //秒针旋转角归零		mRotation += 6;                  //分针转6度，即走了一分钟		m_minute->setRotation(mRotation); //重置分针指针位置		if (mRotation % 72 == 0){                 //每当分针转到72的倍数时			hRotatio += 6;                     //时针转六度			m_hour->setRotation(hRotatio);   //重置时针位置			if (mRotation >= 360){              //当分针转了一圈时				mRotation = 0;                 //分针旋转角归零			}		}	}	sRotation += 6;}

#ifndef __Clock_1__hourHand__#define __Clock_1__hourHand__#include <iostream>#include "cocos2d.h"USING_NS_CC;class hourHand :public CCLayer{public:	virtual bool init();	CREATE_FUNC(hourHand);	CCSprite * getSprite();   //获取精灵对象	void bindSprite(CCSprite * sprite); //绑定精灵对象private:	CCSprite * m_sprite;};#endif /* defined(__Clock_1__hourHand__) */

////  hourHand.cpp//  Clock_1////  Created by mzy1992 on 13-11-25.////#include "hourHand.h"CCSprite * hourHand::getSprite(){	return this->m_sprite;}void hourHand::bindSprite(CCSprite * sprite){	m_sprite = sprite;	m_sprite->setAnchorPoint(ccp(0, 0.5));   /*设置精灵锚点为（0，0.5），因为默认锚点为（0.5，0.5）是指针的中心，但是指针旋转时并不是沿着											 中心旋转的，而是以它的尾部重点旋转，所以需要更改他的锚点为x是0，y是0.5,即宽的一半*/	m_sprite->setScale(0.2f);                //将精灵大小扩大0.2倍	m_sprite->setRotation(-90);              //将精灵逆时针旋转90度 因为时针初始方向是指向3的,旋转后让他指向12	this->addChild(m_sprite);                //将精灵添加到当前层}bool hourHand::init(){	return true;}