菜鸟生涯的记忆（3）

菜鸟生涯的记忆（3）

cocos2d_x 实现的制作画板

.h

class Drawingboard:public Layer

{

public:

    static Scene* createScene1();

    void men(Ref * pSender);

    bool init();

    CREATE_FUNC(Many1);

    

    void changcolor1(Ref*pSender);

    void changcolor2(Ref*pSender);

    void changcolor3(Ref*pSender);

    void changcolor4(Ref*pSender);

    

    

    virtual bool Began(Touch *Touch, Event *Event) ;

    virtual void Moved(Touch *Touch, Event *Event) ;

    virtual void Ended(Touch *Touch, Event *Event);

    virtual void Cancelled(Touch *Touch, Event *Event);

    void onEnter1();

    void onCealer1(Ref*pSender);

    

private:

    DrawNode* node;

    Color4F color;

};

.ccp 的实现；

ode = DrawNode::create();

    this->addChild(node);

    

    auto color1 = MenuItemFont::create("红色");

    color1->setColor(Color3B(255,0,0));

    color1->setPosition(40,20);

    menu->addChild(color1);

    color1->setCallback(CC_CALLBACK_1(Drawingboard::changcolor1, this));

    

    

    auto color2 = MenuItemFont::create("黑色");

    color2->setColor(Color3B(0,0,1));

    color2->setPosition(40,70);

    menu->addChild(color2);

    color2->setCallback(CC_CALLBACK_1(Drawingboard::changcolor3, this));

    

    

    auto color3 = MenuItemFont::create("蓝色");

    color3->setColor(Color3B(135,206,235));

    color3->setPosition(40,130);

    menu->addChild(color3);

    color3->setCallback(CC_CALLBACK_1(Drawingboard::changcolor2, this));

    

    

    auto color4 = MenuItemFont::create("军绿");

    color4->setColor(Color3B(0,250,154));

    color4->setPosition(40,190);

    menu->addChild(color4);

    color4->setCallback(CC_CALLBACK_1(Drawingboard::changcolor4, this));

        

    onEnter1();

    

    return true;

}

 

bool Drawingboard:: Began(Touch *Touch, Event *Event) {

    auto s = Touch->getLocation();

    node->drawPoint(Vec2(s.x,s.y), 10, color);

    return true;

    log("123");

    

    }

void Drawingboard:: Moved(Touch *Touch, Event *Event) {

    auto s = Touch->getPreviousLocation();

    auto y = Touch->getLocation();

    node->drawLine(s, y, color);//Color4F(0,1,0,1)

    log("ppp");

    ;}

void Drawingboard:: Ended(Touch *Touch, Event *Event){

   log("dddd");}

void Drawingboard:: Cancelled(Touch *Touch, Event *Event){

    ;

}

 

void Drawingboard::onEnter1(){

    

    this->_touchEnabled = true;

    auto Disrter = Director::getInstance()->getEventDispatcher();

    auto tocher = EventListenerTouchOneByOne::create();

    tocher->setSwallowTouches(true);//吞噬触摸

    

    tocher->onTouchBegan = CC_CALLBACK_2(Drawingboard::Began, this);

    tocher->onTouchMoved = CC_CALLBACK_2(Drawingboard::Moved, this);

    tocher->onTouchEnded = CC_CALLBACK_2(Drawingboard::Ended, this);

    tocher->onTouchCancelled = CC_CALLBACK_2(Drawingboard::Cancelled, this);

    

    Disrter->addEventListenerWithSceneGraphPriority(tocher, this);

    

    }

void Drawingboard::onCealer1(Ref*pSender)

{

    node->clear();

    }

 

void Drawingboard:: changcolor1(Ref*pSender)

{

//    红

    color = Color4F(1,0,0,1);

}

void Drawingboard:: changcolor2(Ref*pSender)

{

//    蓝色

   color = Color4F(0,0,1,1) ;

}

void Drawingboard:: changcolor3(Ref*pSender)

{

//    黑色

    color = Color4F(0.1,0.2,0.235,2);

}

void Drawingboard:: changcolor4(Ref*pSender)

{

//    军绿

   color = Color4F(0.2,0.5,0,1) ;

}

 代码需精简