#pragma once
#include "cocos2d.h"
USING_NS_CC;class MyAnchorPoint:public CCLayer
{
public:static CCScene * scene();static MyAnchorPoint *create();bool init();/*原始绘图*/void draw();/*屏幕尺寸的大小*/CCSize winSize;};

#include "MyAnchorPoint.h"/*创建一个场景*/
CCScene * MyAnchorPoint::scene()
{CCScene * scene = CCScene::create();MyAnchorPoint * layer = MyAnchorPoint::create();/*获取默认情况下的位置,即锚点的位置所在*/CCLog("x=%g,y=%g", layer->getPositionX(), layer->getPositionY());/*CCLayer是默认忽略锚点的*/layer->ignoreAnchorPointForPosition(false);scene->addChild(layer);return scene;
}/*创建一个图层*/
MyAnchorPoint *MyAnchorPoint::create()
{MyAnchorPoint * pRet = new MyAnchorPoint();if (pRet && pRet->init()){pRet->autorelease();}else{delete pRet;pRet = NULL;}return pRet;
}/*初始化图层*/
bool MyAnchorPoint::init()
{/*先初始化父类*/CCLayer::init();/*获取屏幕尺寸的大小*/winSize = CCDirector::sharedDirector()->getWinSize();/*创建一个精灵,测试锚点对挂载位置的影响*///CCSprite *spr = CCSprite::create("anchor3.png");/*创建一个精灵,测试锚点对缩放的影响*//*CCSprite *spr = CCSprite::create("anchor1.png");spr->setScale(2.0f);*//*创建一个精灵,测试锚点对旋转的影响*/CCSprite *spr = CCSprite::create("anchor2.png");/*以锚点为支点旋转30度*///spr->setRotation(30.0f);/*开启忽略锚点,测试忽略锚点对精灵的影响*/spr->ignoreAnchorPointForPosition(true);/*设置精灵的位置*/spr->setPosition(ccp(winSize.width/2, winSize.height/2));/*设置锚点不同,挂载位置则不同,默认锚点是在几何中心*///spr->setAnchorPoint(ccp(0, 0));//spr->setAnchorPoint(ccp(0, 1));/*spr->setAnchorPoint(ccp(1, 0));spr->setAnchorPoint(ccp(1, 1));*//*将精灵添加进图层*/this->addChild(spr);return true;}void MyAnchorPoint::draw()
{/*设置绘图的颜色,默认为白色*/ccDrawColor4B(255, 0, 0, 255);/*画线*/ccDrawLine(ccp(0, winSize.height / 2), ccp(winSize.width,winSize.height/2));ccDrawColor4B(255, 255, 0, 255);ccDrawLine(ccp(winSize.width/2, 0), ccp(winSize.width/2, winSize.height));}