cocos2d-x学习笔记—单点触控

#include "HelloWorldScene.h"
#include "SimpleAudioEngine.h"

using namespace cocos2d;
using namespace CocosDenshion;

CCScene* HelloWorld::scene()
{
    // 'scene' is an autorelease object
    CCScene *scene = CCScene::create();
    
    // 'layer' is an autorelease object
    HelloWorld *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 instance
bool HelloWorld::init()
{
    //////////////////////////////
    // 1. super init first
    if ( !CCLayer::init() )
    {
        return false;
    }

    /////////////////////////////
    // 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
    CCMenuItemImage *pCloseItem = CCMenuItemImage::create(
                                        "CloseNormal.png",
                                        "CloseSelected.png",
                                        this,
                                        menu_selector(HelloWorld::menuCloseCallback) );
    pCloseItem->setPosition( ccp(CCDirector::sharedDirector()->getWinSize().width - 20, 20) );

    // create menu, it's an autorelease object
    CCMenu* pMenu = CCMenu::create(pCloseItem, NULL);
    pMenu->setPosition( CCPointZero );
    this->addChild(pMenu, 1);
    CHECK_GL_ERROR_DEBUG();
    glLineWidth(25);
    ccDrawColor4B(255, 0, 0, 255);
    ccDrawLine(ccp(0, 0), ccp(CCDirector::sharedDirector()->getWinSize().width,CCDirector::sharedDirector()->getWinSize().height));
    /////////////////////////////
    // 3. add your codes below...

    // add a label shows "Hello World"
    // create and initialize a label
    CCLabelTTF* pLabel = CCLabelTTF::create("Hello World", "Thonburi", 34);

    // ask director the window size
    CCSize size = CCDirector::sharedDirector()->getWinSize();

    // position the label on the center of the screen
    pLabel->setPosition( ccp(size.width / 2, size.height - 20) );

    // add the label as a child to this layer
    this->addChild(pLabel, 1);

    // add "HelloWorld" splash screen"
    CCSprite* pSprite = CCSprite::create("HelloWorld.png");

    // position the sprite on the center of the screen
    pSprite->setPosition( ccp(size.width/2, size.height/2) );

    // add the sprite as a child to this layer
    this->addChild(pSprite, 0);

//简单过程是，使用CCTexture2D加载图片 ，用CCTexture2D生成对应的CCSpriteFrame（对应的就是帧），将CCSpriteFrame添加到CCAnimation生成动画数据，用CCAnimation生成CCAnimate（就是最终的动画动作），最后用CCSprite执行这个动作//把当前图片加入缓存中

    // manually add frames to the frame cache
    CCSpriteFrame *frame0 = CCSpriteFrame::createWithTexture(texture, CCRectMake(132*0, 132*0, 132, 132));  //从缓存中读取精灵
    CCSpriteFrame *frame1 = CCSpriteFrame::createWithTexture(texture, CCRectMake(132*1, 132*0, 132, 132));
    CCSpriteFrame *frame2 = CCSpriteFrame::createWithTexture(texture, CCRectMake(132*2, 132*0, 132, 132));
    CCSpriteFrame *frame3 = CCSpriteFrame::createWithTexture(texture, CCRectMake(132*3, 132*0, 132, 132));
    CCSpriteFrame *frame4 = CCSpriteFrame::createWithTexture(texture, CCRectMake(132*0, 132*1, 132, 132));
    CCSpriteFrame *frame5 = CCSpriteFrame::createWithTexture(texture, CCRectMake(132*1, 132*1, 132, 132));
    
    //
    // Animation using Sprite BatchNode
    //
    CCSprite* sprite = CCSprite::createWithSpriteFrame(frame0);  //创建动画开始精灵
    sprite->setPosition( ccp( size.width/2-80, size.height/2) );
    addChild(sprite);
    
    CCArray* animFrames = CCArray::createWithCapacity(6);   //创建大小为6的集合
    animFrames->addObject(frame0); //将没一针精灵动画添加到集合中
    animFrames->addObject(frame1);
    animFrames->addObject(frame2);
    animFrames->addObject(frame3);
    animFrames->addObject(frame4);
    animFrames->addObject(frame5);
    
    CCAnimation *animation = CCAnimation::createWithSpriteFrames(animFrames, 0.2f); //通过集合创建动画，设置为0.2秒切换
    CCAnimate *animate1 = CCAnimate::create(animation);
    CCActionInterval* seq = (CCActionInterval *)CCSequence::create( animate1,      //设置动作集合
                                               CCFlipX::create(true),
                                               animate1->copy()->autorelease(),
                                               CCFlipX::create(false),
                                               NULL);
    
    sprite->runAction(CCRepeatForever::create( seq ) );
    
    
    CCMenuItemFont *testtest=CCMenuItemFont::create("0",this,menu_selector(HelloWorld::click));
    CCMenu *clicktestt=CCMenu::create(testtest,NULL);
    this->addChild(clicktestt,1);
    clicktestt->setPosition(ccp(size.width/2+10, size.height/2));
    
    setTouchEnabled(true);
    hero=CCSprite::create("grossini_dance_06.png");
    hero->setPosition(ccp(size.width/4*3, size.height/2));
    this->addChild(hero);
    isControl=true;
    deltax=0;
    deltay=0;
       
//    
    return true;
}

//用于点击的优先级设置
void HelloWorld::registerWithTouchDispatcher()
{
    CCDirector *pDirector = CCDirector::sharedDirector();
    pDirector->getTouchDispatcher()->addTargetedDelegate(this, 0, true);
}
void HelloWorld::ccTouchCancelled(CCTouch *touch, CCEvent *event)
{
    isControl=false;
}
bool HelloWorld::ccTouchBegan(CCTouch *touch, CCEvent *event)
{
    CCPoint heropos =hero->getPosition();
    // 获取点在视图中的坐标（左上角为原点）
    CCPoint location=touch->locationInView();  //location.x和location.y就是点击的坐标点
    // 把点的坐标转换成OpenGL坐标（左下角为原点）
    location=CCDirector::sharedDirector()->convertToGL(location);
    if (location.x>=heropos.x-2.5 &&location.x<=heropos.x+2.5&&location.y>=heropos.y-3.5&&location.y<=heropos.y+3.5)
    {
        deltax=location.x-heropos.x;
        deltay=location.y-heropos.y;
        isControl=true;
    }
}
void HelloWorld::ccTouchMoved(CCTouch *touch, CCEvent *event)
{
    if (isControl) {
        CCPoint location=touch->locationInView();
        location =CCDirector::sharedDirector()->convertToGL(location);
        float x=location.x-deltax;
        float y=location.y-deltay;
        hero->setPosition(ccp(x,y));
    }
}
void HelloWorld::ccTouchEnded(CCTouch *touch, CCEvent *event)
{
    this->ccTouchBegan(touch, event);
}
void HelloWorld::click(CCObject *pSender)
{
    CCMenuItemFont *testtest=(CCMenuItemFont*)pSender;
    int a=strstr+200;
    char str[30]={0};
    sprintf(str, "%d",a);
    testtest->setString(str);
     strstr+=200;
    
}


void HelloWorld::menuCloseCallback(CCObject* pSender)
{
    CCDirector::sharedDirector()->end();

#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
    exit(0);
#endif
}

如果对触控不是很了解，可以看这里：http://blog.csdn.net/somestill/article/details/9988565