1.現在，.h聲明private:
cocos2d::CCSprite* ninja;

cocos2d::CCTMXTiledMap* ?tileMap;

然后.cpp中增加tileMap = CCTMXTiledMap::create("MyTileMap.tmx");


CCTMXLayer* backLayer = tileMap->layerNamed("Tile Layer 1");


CCAssert(backLayer, "Can not find layer named by (Tile Layer 1)");


this->addChild(tileMap); // 地圖加到layer上面

2.設置人物的初始位置

CCTMXObjectGroup* og = tileMap->objectGroupNamed("spritePositions");
CCDictionary* posInfoDict = og->objectNamed("ninjaBirthPoint");
int x = posInfoDict->valueForKey("x")->intValue();
int y = posInfoDict->valueForKey("y")->intValue();


ninja = CCSprite::create("Player.png");
ninja->setPosition(ccp(x, y));
tileMap->addChild(ninja);

3.將主角移動到地圖的中間

this->setMapPosForView(ccp(x, y));

void HelloWorld::setMapPosForView(cocos2d::CCPoint playerPos){


CCPoint orig = playerPos;
CCPoint dest = ccp(WIN_WIDTH / 2, WIN_HEIGHT / 2);
CCPoint distance = ccpSub(dest, orig);
CCPoint newMapPos = ccp(0, 0) + distance;


newMapPos.x = (newMapPos.x > 0?

0:newMapPos.x);
newMapPos.y = (newMapPos.y > 0?

0:newMapPos.y);


newMapPos.x = (newMapPos.x < WIN_WIDTH - MAP_WIDTH??
WIN_WIDTH-MAP_WIDTH:newMapPos.x);
newMapPos.y = (newMapPos.y < WIN_HEIGHT - MAP_HEIGHT??
WIN_HEIGHT - MAP_HEIGHT:newMapPos.y);


tileMap->setPosition(newMapPos);

5.用:ccTouchEnded(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent)來使物體移動

void HelloWorld::ccTouchEnded(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent){

CCPoint touchPos=pTouch->getLocation();

touchPos=tileMap->convertToNodeSpace(touchPos);

CCPoint origPos=ninjia->getPosition();

CCPoint diff=touchPos-origPos;

CCPoint ninjaDiff = ccp(0, 0);


if (abs(diff.x) > abs(diff.y)){
if (diff.x > 0){
ninjaDiff.x = tileMap->getTileSize().width;
}
else
{
ninjaDiff.x = -tileMap->getTileSize().width;;
}
}
else{
if (diff.y > 0){
ninjaDiff.y = tileMap->getTileSize().height;
}
else
{
ninjaDiff.y = -tileMap->getTileSize().height;
}
}


CCPoint newPos = origPos + ninjaDiff;

ninja->setPosition(newPos);

tileMap->setMapForView(newPos);

總結

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