#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"
using namespace cocos2d;
class HelloWorld : public cocos2d::CCLayer
{
public:
    // Method 'init' in cocos2d-x returns bool, instead of 'id' in cocos2d-iphone (an object pointer)
    virtual bool init();

    // there's no 'id' in cpp, so we recommend to return the class instance pointer
    static cocos2d::CCScene* scene();
    
    CREATE_FUNC(HelloWorld);
    
    virtual void ccTouchesBegan(CCSet *pTouches, CCEvent *pEvent);
    
    CCPoint locationFromTouches(CCSet *touches);
    
    //获取瓷砖块的坐标
    CCPoint tilePosFromLocation(CCPoint location,CCTMXTiledMap * tilemap);
    
    //图层居中
    void centerTileMapOnTileCoord(CCPoint tilePos,CCTMXTiledMap *tileMap);
};

#endif // __HELLOWORLD_SCENE_H__

HelloWorldScene.cpp

#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;
    }
    CCSize size = CCDirector::sharedDirector()->getWinSize();
    //添加一个地图
    CCTMXTiledMap * tileMap = CCTMXTiledMap::create("huohuo.tmx");
//    CCTMXTiledMap * tileMap = CCTMXTiledMap::create("isometric.tmx");
//    tileMap->setAnchorPoint(CCPointMake(size.width/2, size.height/2));
//    tileMap->setPosition(CCPointMake(size.width/2, size.height/2));
    this->addChild(tileMap,-1,1);
    this->setTouchEnabled(true);
    return true;
}

//返回点击的坐标点
CCPoint HelloWorld::locationFromTouches(cocos2d::CCSet *touches)
{
    CCTouch *touch = (CCTouch *)touches->anyObject();
    return touch->getLocation();
}

void HelloWorld::ccTouchesBegan(cocos2d::CCSet *pTouches, cocos2d::CCEvent *pEvent)
{
    CCNode * node = this->getChildByTag(1);
    CCTMXTiledMap *tileMap = (CCTMXTiledMap *)node;
    CCPoint touchLocation = this->locationFromTouches(pTouches);
    CCPoint tilepos = this->tilePosFromLocation(touchLocation, tileMap);
    CCLog("%f,%f",tilepos.x,tilepos.y);
    
    this->centerTileMapOnTileCoord(tilepos, tileMap);
}

//获取瓷砖块的坐标
CCPoint HelloWorld::tilePosFromLocation(cocos2d::CCPoint location, cocos2d::CCTMXTiledMap *tilemap)
{
    CCPoint pos = ccpSub(location, tilemap->getPosition());
    
    float halfMapWidth = tilemap->getMapSize().width * 0.5f;
    float mapHeight = tilemap->getMapSize().height;
    float tileWidth = tilemap->getTileSize().width;
    float tileHeight = tilemap->getTileSize().height;
    
    CCPoint tilePasDiv = ccp(pos.x / tileWidth, pos.y / tileHeight);
    float inverseTileY = mapHeight - tilePasDiv.y;
    float posX = (int)(inverseTileY + tilePasDiv.x - halfMapWidth);
    float posY = (int)(inverseTileY - tilePasDiv.x + halfMapWidth);
    
    posX = MAX(0, posX);
    posX = MIN(tilemap->getMapSize().width - 1, posX);
    posY = MAX(0, posY);
    posY = MIN(tilemap->getMapSize().height - 1, posY);
    
    pos = CCPointMake(posX, posY);
    
    return pos;
}

//将地图居中
void HelloWorld::centerTileMapOnTileCoord(cocos2d::CCPoint tilePos, cocos2d::CCTMXTiledMap *tileMap)
{
    //获取屏幕大小和屏幕中心点
    CCSize size = CCDirector::sharedDirector()->getWinSize();
    
    CCPoint screenCenter = CCPointMake(size.width/2, size.height/2);
    
    //获取地板层
    CCTMXLayer * layer = tileMap->layerNamed("GroundLayer1");
    
    //仅仅在内部使用；瓷砖的Y坐标减去1
    tilePos.y -=1;
    
    //获取瓷砖块坐标
    CCPoint scrollPosition = layer->positionAt(tilePos);
    
    //考虑到地图移动的情况，我将像素坐标信息乘以-1，从而得到负值
    scrollPosition = ccpMult(scrollPosition, -1);
    
    //为屏幕中央坐标添加位移值
    scrollPosition = ccpAdd(scrollPosition, screenCenter);
    
    CCMoveTo * move = CCMoveTo::create(.2f, scrollPosition);
    
    tileMap->stopAllActions();
    tileMap->runAction(move);
}