TileMap.h

#ifndef __T23TileMap_H__

#define __T23TileMap_H__

#include "cocos2d.h"

USING_NS_CC;

class TileMap :public CCLayer

{

public:

CREATE_FUNC(TileMap);

bool init();

static CCScene * scene();

CCTMXTiledMap* _map;

CCPoint Point2Tile(CCPoint ptGL);

CCPoint Tile2PointLB(CCPoint ptTile);

bool ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent);

};

#endif

TileMap.cpp

#include "TileMap.h"

CCScene * TileMap::scene()

{

CCScene * scene = CCScene::create();

TileMap * layer = TileMap::create();

scene->addChild(layer);

return scene;

}

bool TileMap::init()

{

CCScene * scene = CCScene::create();

//初始化TMXTiledMap,要用一个.tmx

CCTMXTiledMap * map = CCTMXTiledMap::create("Round1.tmx");

addChild(map);

//获得CCTMXLayer的层:layer_0

CCTMXLayer* layer = map->layerNamed("layer_0");

//通过tileAt的方式获得格子，每个格子是一个精灵

CCSprite* sprite = layer->tileAt(ccp(2,2));

//通过tileGIDAT的方式获得gid的值

int gid = layer->tileGIDAt(ccp(2,2));

//让被选中的精灵跳动一下

sprite->runAction(CCJumpBy::create(200, ccp(0, 0), 50, 1000));

//将地图缩放

map->setScale(.5f);

layer->setTileGID(3,ccp(3,3));

_map = map;

setTouchEnabled(true);

//设置触摸方式

setTouchMode(kCCTouchesOneByOne);

CCSprite* sprite1 = CCSprite::create("anchor3.png");

_map->addChild(sprite1);

sprite1->setZOrder(1000);

sprite1->setPosition(Tile2PointLB(ccp(3, 2)));

sprite1->setAnchorPoint(ccp(0,1));

sprite1->setPosition(Tile2PointLB(ccp(3, 2)));

sprite1->setAnchorPoint(ccp(0,1));

return true;

}

//将世界坐标转换成格子坐标

CCPoint TileMap::Point2Tile(CCPoint ptGL)

{

//获得每个格子的宽度

int dx = _map->getTileSize().width;

//设置每个格子的高度

int dy = _map->getTileSize().height;

//将ptGL世界坐标转换成为本地坐标

CCPoint ptMap = _map->convertToNodeSpace(ptGL);

//x轴方向的格子数

int x = ptMap.x / dx;

//这里如果是最左下角算的的值是0，如果y轴上有2个格子，实际的格子的y是1

int y = ptMap.y / dy;

//y方向上的总格子数 - 1 - y

y = _map->getMapSize().height - 1 - y;

return ccp(x,y);

}

//将格子坐标转换成为世界坐标

CCPoint TileMap::Tile2PointLB(CCPoint ptTile)

{

//这里的getMapSize().height不是像素值，而是y方向上的格子数

ptTile.y = _map->getMapSize().height - 1 - ptTile.y;

return ccp(ptTile.x * _map->getTileSize().width,

ptTile.y * _map->getTileSize().height);

}

bool TileMap::ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent)

{

//获得被选中的坐标值

CCPoint pt = pTouch->getLocation();

CCPoint ptTile = Point2Tile(pt);

_map->layerNamed("layer_0")->setTileGID(0, ptTile);

return true;

}

运行结果：