多触点
新建工程名为testMutiTouch
修改HelloWorldScene.h
#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__
#include "cocos2d.h"
using namespace cocos2d;
class HelloWorld : public cocos2d::CCLayer
{
public:
// Method 'init' in cocos2d-x returns bool, instead of 'id' in cocos2d-iphone (an object pointer)
virtual bool init();
// there's no 'id' in cpp, so we recommend to return the class instance pointer
static cocos2d::CCScene* scene();
// preprocessor macro for "static create()" constructor ( node() deprecated )
CREATE_FUNC(HelloWorld);
//重写多触点回调函数
virtual void registerWithTouchDispatcher(void);
virtual void ccTouchesBegan(CCSet *pTouches,CCEvent *pEvent);
virtual void ccTouchesMoved(CCSet *pTouches,CCEvent *pEvent);
virtual void ccTouchesEnded(CCSet *pTouches,CCEvent *pEvent);
//生命周期函数
virtual void onExit();
};
#endif // __HELLOWORLD_SCENE_H__
#include "HelloWorldScene.h"
#include "SimpleAudioEngine.h"
using namespace cocos2d;
using namespace CocosDenshion;
CCScene* HelloWorld::scene()
{
// 'scene' is an autorelease object
CCScene *scene = CCScene::create();
// 'layer' is an autorelease object
HelloWorld *layer = HelloWorld::create();
// add layer as a child to scene
scene->addChild(layer);
// return the scene
return scene;
}
// on "init" you need to initialize your instance
bool HelloWorld::init()
{
//////////////////////////////
// 1. super init first
if ( !CCLayer::init() )
{
return false;
}
//开启多触点监听务必调用此函数
setTouchEnabled(true);
CCSprite *sp1=CCSprite::create("Icon.png");
sp1->setColor(ccc3(255, 255, 0));//便于区分
CCSprite *sp2=CCSprite::create("Icon.png");
sp1->setPosition(ccp(150,100));
sp2->setPosition(ccp(150,200));
addChild(sp1,0,91);
addChild(sp2,0,92);
return true;
}
//重写多触点回调函数
void HelloWorld::registerWithTouchDispatcher(void)
{
CCDirector::sharedDirector()->getTouchDispatcher()->addStandardDelegate(this, 0);
}
//用户手指第一次触碰
void HelloWorld::ccTouchesBegan(CCSet *pTouches,CCEvent *pEvent)
{
CCSetIterator iter=pTouches->begin();
for (;iter!=pTouches->end(); iter++)
{
CCTouch* pTouch=(CCTouch*)(*iter);
CCPoint location=pTouch->getLocation();
if (pTouch->getID()==0)
{//第一个触点
CCSprite *sp1=(CCSprite*) this->getChildByTag(91);
sp1->setPosition(location);
}
else if(pTouch->getID()==1)//第二个触点
{
CCSprite *sp2=(CCSprite*) this->getChildByTag(92);
sp2->setPosition(location);
}
}
}
void HelloWorld::ccTouchesMoved(CCSet *pTouches,CCEvent *pEvent)
{
CCSetIterator iter=pTouches->begin();
for (;iter!=pTouches->end(); iter++)
{
CCTouch* pTouch=(CCTouch*)(*iter);
CCPoint location=pTouch->getLocation();
if (pTouch->getID()==0)
{//第一个触点
CCSprite *sp1=(CCSprite*) this->getChildByTag(91);
sp1->setPosition(location);
}
else if(pTouch->getID()==1)//第二个触点
{
CCSprite *sp2=(CCSprite*) this->getChildByTag(92);
sp2->setPosition(location);
}
}
}
void HelloWorld::ccTouchesEnded(CCSet *pTouches,CCEvent *pEvent)
{
CCSetIterator iter=pTouches->begin();
for (;iter!=pTouches->end(); iter++)
{
CCTouch* pTouch=(CCTouch*)(*iter);
CCPoint location=pTouch->getLocation();
CCLOG("pTouch 触摸点 ％i 的坐标: x:%f,y:%f",pTouch->getID(),location.x,location.y);
}
}
//生命周期函数
void HelloWorld::onExit()
{
CCDirector::sharedDirector()->getTouchDispatcher()->removeDelegate(this);
CCLayer::onExit();
}
修改AppController.mm- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
// Add the view controller's view to the window and display.
window = [[UIWindow alloc] initWithFrame: [[UIScreen mainScreen] bounds]];
EAGLView *__glView = [EAGLView viewWithFrame: [window bounds]
pixelFormat: kEAGLColorFormatRGBA8
depthFormat: GL_DEPTH_COMPONENT16
preserveBackbuffer: NO
sharegroup: nil
multiSampling: NO
numberOfSamples:0 ];
[__glView setMultipleTouchEnabled:YES];