this sample http://tf.hateblo.jp/entry/2013/04/10/000119 cocos2d-x version

gistfile1.txt

#include "cocos2d.h"

using namespace cocos2d;

class MyBullet : public cocos2d::CCNode
{

public:
  static MyBullet* create();
    static MyBullet* create(CCPoint position, CCPoint vector, float speed, CCSpriteFrame *spriteFrame);
    
public:
	MyBullet();
	virtual ~MyBullet();
	virtual bool init();
    
    virtual bool init(CCPoint position, CCPoint vector, float speed, CCSpriteFrame *spriteFrame);
    void update(float delta);
};

#endif

#include "MyBullet.h"

using namespace cocos2d;

MyBullet::MyBullet()
{
}

MyBullet::~MyBullet()
{
}

MyBullet* MyBullet::create()
{
    MyBullet* pRet = new MyBullet();
  if (pRet && pRet->init())
	{
		pRet->autorelease();
		return pRet;
	}
	CC_SAFE_DELETE(pRet);
	return NULL;
}

bool MyBullet::init()
{
	return true;
}

MyBullet* MyBullet::create(CCPoint position, CCPoint vector, float speed, CCSpriteFrame *spriteFrame)
{
    MyBullet* pRet = new MyBullet();
	if (pRet && pRet->init(position, vector, speed, spriteFrame))
	{
		pRet->autorelease();
		return pRet;
	}
	CC_SAFE_DELETE(pRet);
	return NULL;
}

bool MyBullet::init(CCPoint position, CCPoint vector, float speed, CCSpriteFrame *spriteFrame)
{
    this->setPosition(position);

    CCSprite *sprite = CCSprite::createWithSpriteFrame(spriteFrame);
    this->addChild(sprite);

    CCPoint uniVector = ccpNormalize(vector);
    CCPoint zeroDegree = ccp(1, 0);
    float bulletAngle = ccpAngleSigned(uniVector, zeroDegree);
    this->setRotation(90.0 + CC_RADIANS_TO_DEGREES(bulletAngle));
    CCPoint velocity = ccpMult(uniVector, speed);

    CCMoveBy *moveBy = CCMoveBy::create(1.0, velocity);
    CCRepeatForever *repeatForever = CCRepeatForever::create(moveBy);

    this->runAction(repeatForever);
    this->scheduleUpdate();

    return true;
}

void MyBullet::update(float delta)
{
    CCSize screenSize = CCDirector::sharedDirector()->getWinSize();

    CCRect screenRect = CCRectMake(0, 0, screenSize.width, screenSize.height);

    if (screenRect.intersectsRect(this->boundingBox()) == false)
    {
        this->removeFromParentAndCleanup(true);
    }
}

#include "cocos2d.h"

using namespace cocos2d;

class MySprite : public cocos2d::CCNode
{

public:
  static MySprite* create();
    static MySprite* createWithImage();
    
public:
	MySprite();
	virtual ~MySprite();
	virtual bool init();
    virtual bool initWithImage();
    void shoot();
    
private:
    CCSprite *_sprite;
    CCSprite *_option;
};

#endif

#include "MySprite.h"
#include "MyBullet.h"

using namespace cocos2d;

MySprite::MySprite()
{
}

MySprite::~MySprite()
{
}

MySprite* MySprite::create()
{
    MySprite* pRet = new MySprite();
  if (pRet && pRet->init())
	{
		pRet->autorelease();
		return pRet;
	}
	CC_SAFE_DELETE(pRet);
	return NULL;
}

bool MySprite::init()
{
	return true;
}

MySprite* MySprite::createWithImage()
{
    MySprite* pRet = new MySprite();
	if (pRet && pRet->initWithImage())
	{
		pRet->autorelease();
		return pRet;
	}
	CC_SAFE_DELETE(pRet);
	return NULL;
}

bool MySprite::initWithImage()
{
    _sprite = CCSprite::create("Icon-72.png");
    this->addChild(_sprite);

    _option = CCSprite::create("Icon-72.png");
    this->addChild(_option);

    _option->setOpacity(255 * 0.5);

    CCSize screen = CCDirector::sharedDirector()->getWinSize();
    this->setPosition(ccp(screen.width / 2, screen.height / 2));

    _sprite->setPosition(CCPointZero);
    _option->setPosition(ccpAdd(_sprite->getPosition(), ccp(_sprite->getContentSize().width * 2.0 ,0)));

    this->setContentSize(_sprite->getContentSize());

    CCRotateBy *roteteby = CCRotateBy::create(2, 360);
    CCScaleBy *scaleUp = CCScaleBy::create(1, 2.0);
    CCScaleBy *scaleDown = CCScaleBy::create(1, 1.0/2.0);
    CCSequence *sequence = CCSequence::create(roteteby, scaleUp, scaleDown, NULL);
    CCRepeatForever *repeat = CCRepeatForever::create(sequence);
    this->runAction(repeat);

    this->schedule(schedule_selector(MySprite::shoot), 0.1);
    
    return true;
}

void MySprite::shoot()
{
    CCPoint screenCoordinate = ccpRotateByAngle(ccpAdd(this->getPosition(),
                                                   ccpMult(_option->getPosition(), this->getScale())),
                                            this->getPosition(),
                                            CC_DEGREES_TO_RADIANS(-this->getRotation()));

    CCPoint vector = ccpSub(screenCoordinate, this->getPosition());
    float speed = 200;

    CCTexture2D *texture = CCTextureCache::sharedTextureCache()->addImage("Icon-Small.png");

    CCSize texSize = texture->getContentSize();
    CCRect texRect = CCRectMake(0, 0, texSize.width, texSize.height);

    CCSpriteFrame *frame = CCSpriteFrame::createWithTexture(texture, texRect);

    MyBullet *bullet = MyBullet::create(screenCoordinate, vector, speed, frame);

    this->getParent()->addChild(bullet);
    

}