Cocos2d-X----锚点

2、影响缩放

3、影响旋转

#include "T01LayerAnchorPoint.h"


CCScene * T01LayerAnchorPoint::scene()
{
	CCScene * scene = CCScene::create();
	T01LayerAnchorPoint * layer = T01LayerAnchorPoint::create();
	scene->addChild(layer);

	return scene;
}

bool T01LayerAnchorPoint::init()
{
	if (!CCLayer::init())
	{
		return false;
	}

	winSize = CCDirector::sharedDirector()->getWinSize();
	sprite = CCSprite::create("anchor3.png");
	//sprite->setScale(4);//放大4倍
	//sprite->setAnchorPoint(ccp(0.8,0.2));//设置锚点位置
	sprite->ignoreAnchorPointForPosition(true);//设置位置忽略锚点
	sprite->setPosition(ccp(winSize.width / 2,winSize.height / 2));
	this->addChild(sprite);

	//定时器
	schedule(schedule_selector(T01LayerAnchorPoint::rotationBy2s),0.3);

	return true;
}

void T01LayerAnchorPoint::draw()//绘制
{
	ccDrawColor4B(255,255);
	ccDrawLine(ccp(0,winSize.height / 2),ccp(winSize.width,winSize.height / 2,0));
	ccDrawLine(ccp(winSize.width / 2,0),ccp(winSize.width / 2,winSize.height));
}
void T01LayerAnchorPoint::rotationBy2s(float dt)
{
	static float num = 0;
	num += 30;
	
	sprite->setRotation(num);//旋转
}

#ifndef __T01LayerAnchorPoint_H__
#define __T01LayerAnchorPoint_H__

#include "cocos2d.h"

USING_NS_CC;

class T01LayerAnchorPoint : public CCLayer
{
public:
	
	static CCScene *scene();
	CREATE_FUNC(T01LayerAnchorPoint);
	bool init();

	void draw();

	CCSize winSize;

	CCSprite * sprite;

	void rotationBy2s(float dt);
};

#endif

（编辑：李大同）

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