TileMap.h

#ifndef __T23TileMap_H__

#define __T23TileMap_H__

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#include "cocos2d.h"

USING_NS_CC;

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class TileMap :public CCLayer

{

public:

??? CREATE_FUNC(TileMap);

??? bool init();

??? static CCScene * scene();

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??? CCTMXTiledMap* _map;

??? CCPoint Point2Tile(CCPoint ptGL);

??? CCPoint Tile2PointLB(CCPoint ptTile);

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

};

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#endif

TileMap.cpp

#include "TileMap.h"

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CCScene * TileMap::scene()

{

??? CCScene * scene = CCScene::create();

??? TileMap * layer = TileMap::create();

??? scene->addChild(layer);

??? return scene;

}

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bool TileMap::init()

{

??? CCScene * scene = CCScene::create();

??? //初始化TMXTiledMap,要用一個.tmx

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

??? addChild(map);

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??? //獲得CCTMXLayer的層:layer_0

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

??? //通過tileAt的方式獲得格子，每個格子是一個精靈

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

??? //通過tileGIDAT的方式獲得gid的值

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

??? //讓被選中的精靈跳動一下

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

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??? //將地圖縮放

??? map->setScale(.5f);

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

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??? _map = map;

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??? setTouchEnabled(true);

??? //設置觸摸方式

??? setTouchMode(kCCTouchesOneByOne);

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

??? _map->addChild(sprite1);

??? sprite1->setZOrder(1000);

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

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

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

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

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??? return true;

}

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//將世界坐標轉換成格子坐標

CCPoint TileMap::Point2Tile(CCPoint ptGL)

{

??? //獲得每個格子的寬度

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

??? //設置每個格子的高度

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

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??? //將ptGL世界坐標轉換成為本地坐標

??? CCPoint ptMap = _map->convertToNodeSpace(ptGL);

??? //x軸方向的格子數

??? int x = ptMap.x / dx;

??? //這里如果是最左下角算的的值是0，如果y軸上有2個格子，實際的格子的y是1

??? int y = ptMap.y / dy;

??? //y方向上的總格子數 - 1 - y

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

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??? return ccp(x,y);

}

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//將格子坐標轉換成為世界坐標

CCPoint TileMap::Tile2PointLB(CCPoint ptTile)

{

??? //這里的getMapSize().height不是像素值，而是y方向上的格子數

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

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

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

}

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

{

??? //獲得被選中的坐標值

??? CCPoint pt = pTouch->getLocation();

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??? CCPoint ptTile = Point2Tile(pt);

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

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??? return true;

}

運行結果：