Cocos2d-x学习笔记之CCScene、CCLayer、CCSprite的默认坐标和默认锚点实验

bool HelloWorld::init(){  bool bRet = false;  do  {    CC_BREAK_IF(! CCLayer::init());		CCSprite * sprite = CCSprite::create("image1.png");		this->addChild(sprite);		//获得CCSprite的默认坐标，CCSprite设置坐标的时候是用自己的锚点位置占据在坐标上的。		CCLog("CCSprite.x=%f,CCSprite.y=%f",sprite->getPosition().x,sprite->getPosition().y);		//获得CCSprite的默认锚点		CCLog("sprite1Anchor.x=%f,sprite1Anchor.y=%f",sprite->getAnchorPoint().x,sprite->getAnchorPoint().y);		//获得CCLayer的默认坐标		CCLog("CCLayer.x=%f,CCLayer.y=%f",this->getPosition().x,this->getPosition().y);		//获得CCLayer的默认锚点		CCPoint point = this->getAnchorPoint();		CCLog("layerAnchor.x=%f,layerAnchor.y=%f",point.x,point.y);    bRet = true;  } while (0);  return bRet;}

CCScene* HelloWorld::scene(){  CCScene * scene = NULL;  do  {    // 'scene' is an autorelease object    scene = CCScene::create();    CC_BREAK_IF(! scene);    // 'layer' is an autorelease object    HelloWorld *layer = HelloWorld::create();    CC_BREAK_IF(! layer);    // add layer as a child to scene    scene->addChild(layer);		layer->show();  } while (0);  // return the scene  return scene;}

void HelloWorld::show(){	//获得CCScene的默认坐标	CCScene * scene = (CCScene *)this->getParent();	CCLog("CCScene.x=%f,CCScene.y=%f",scene->getPosition().x,scene->getPosition().y);	//获得CCScene的默认锚点	CCPoint point = scene->getAnchorPoint();	CCLog("SceneAnchor.x=%f,SceneAnchor.y=%f",point.x,point.y);}