cocos2d-x 3.x 触摸程序 示例

概述头文件 #ifndef __HELLOWORLD_SCENE_H__#define __HELLOWORLD_SCENE_H__#include "cocos2d.h"USING_NS_CC;class HelloWorld : public cocos2d::Layer{public: static cocos2d::Scene* createScene();

头文件

#ifndef __HELLOWORLD_SCENE_H__#define __HELLOWORLD_SCENE_H__#include "cocos2d.h"USING_NS_CC;class HelloWorld : public cocos2d::Layer{public:    static cocos2d::Scene* createScene();    virtual bool init();    // a selector callback    voID menuCloseCallback(cocos2d::Ref* pSender);    // implement the "static create()" method manually    CREATE_FUNC(HelloWorld);//头文件声明 protected:    **bool ontouchBegan(touch *touch,Event *event);    voID ontouchended(touch* touch,Event* event);    voID setListener();    Sprite* P1sprite;    Sprite* P2sprite;**};#endif // __HELLOWORLD_SCENE_H__

CPP

#include "HelloWorldScene.h"USING_NS_CC;Scene* HelloWorld::createScene(){    // 'scene' is an autorelease object    auto scene = Scene::create();    // 'layer' is an autorelease object    auto layer = HelloWorld::create();    // add layer as a child to scene    scene->addChild(layer);    // return the scene    return scene;}// on "init" you need to initialize your instancebool HelloWorld::init(){    //////////////////////////////    // 1. super init first    if ( !Layer::init() )    {        return false;    }    Size visibleSize = Director::getInstance()->getVisibleSize();    Vec2 origin = Director::getInstance()->getVisibleOrigin();    /////////////////////////////    // 2. add a menu item with "X" image,which is clicked to quit the program    // you may modify it.    // add a "close" icon to exit the progress. it's an autorelease object    auto closeItem = MenuItemImage::create(                                           "Closenormal.png","CloseSelected.png",CC_CALLBACK_1(HelloWorld::menuCloseCallback,this));    closeItem->setposition(Vec2(origin.x + visibleSize.wIDth - closeItem->getContentSize().wIDth/2,origin.y + closeItem->getContentSize().height/2));    // create menu,it's an autorelease object    auto menu = Menu::create(closeItem,NulL);    menu->setposition(Vec2::ZERO);    this->addChild(menu,1);    /////////////////////////////    // 3. add your codes below...    // add a label shows "Hello World"    // create and initialize a label    auto label = Label::createWithTTF("Hello World","Fonts/Marker Felt.ttf",24);    // position the label on the center of the screen    label->setposition(Vec2(origin.x + visibleSize.wIDth/2,origin.y + visibleSize.height - label->getContentSize().height));    // add the label as a child to this layer    this->addChild(label,1);    // add "HelloWorld" splash screen"    P1sprite = Sprite::create("Closenormal.png");    // position the sprite on the center of the screen    P1sprite->setposition(Vec2(visibleSize.wIDth/2 + origin.x,visibleSize.height/2 + origin.y));    // add the sprite as a child to this layer    this->addChild(P1sprite,0);    P2sprite = Sprite::create("CloseSelected.png");    //this->setposition((this->getParent()->getposition())+ccp(100,100));    P1sprite->addChild(P2sprite);     P2sprite->setVisible(false);**//调用监听函数**    setListener();    return true;}voID HelloWorld::menuCloseCallback(Ref* pSender){    Director::getInstance()->end();#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)    exit(0);#endif}**//监听函数实现**voID HelloWorld::setListener(){    auto Listener = EventListenertouchOneByOne::create();    Listener->ontouchBegan = CC_CALLBACK_2(HelloWorld::ontouchBegan,this);    Listener->ontouchended = CC_CALLBACK_2(HelloWorld::ontouchended,this);    _eventdispatcher->addEventListenerWithSceneGraPHPriority(Listener,P1sprite);}bool HelloWorld::ontouchBegan(touch *touch,Event *event){    return true;}**//触摸函数实现**voID HelloWorld::ontouchended(touch* touch,Event* event){    auto target = static_cast<Sprite*>(event->getCurrentTarget());    Point locationInNode = target->converttouchToNodeSpace(touch);    Size size = target->getContentSize();    Rect rect = Rect(0,0,size.wIDth,size.height);    if (rect.containsPoint(locationInNode))    {        P2sprite->setposition(this->getposition() + ccp(random(-240,240),random(-160,160)));        P2sprite->setVisible(true);        log("Is contains point random =%d",random(10,50));    }    else{        log("Not contains point");    }}

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