实现一个demo,具备以下功能:
1.让几个字分别位于中间和四个角落。
2.中间的字体改变,并且带有闪烁功能。
3.单点触摸和多点触摸,并且能够实现滑动效果,滑动的话必须使用带有bool返回值的单点触摸设置为true。
4.下面两个按钮能够实现添加节点和移除节点的作用。
效果图:
实现代码:
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();
// a selector callback
void menuCloseCallback(CCObject* pSender);
// preprocessor macro for "static create()" constructor ( node() deprecated )
CREATE_FUNC(HelloWorld);
void menuRemoveCallback(CCObject* pSender);
//启动触屏事件
virtual void ccTouchesBegan(CCSet *pTouches, CCEvent *pEvent);
//触摸注册事件
virtual void registerWithTouchDispatcher();
//单点触摸事件
virtual bool ccTouchBegan(CCTouch *pTouch,CCEvent *pEvent);
//移动事件
virtual void ccTouchMoved(CCTouch *pTouch,CCEvent *pEvent);
};
#endif // __HELLOWORLD_SCENE_H__
HelloWorldScene.cpp:
#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;
}
bool HelloWorld::init()
{
if ( !CCLayer::init() )
{
return false;
}
//设置当前允许触摸
this->setTouchEnabled(true);
CCMenuItemImage *pCloseItem = CCMenuItemImage::create(
"CloseNormal.png",
"CloseSelected.png",
this,
menu_selector(HelloWorld::menuCloseCallback) );
pCloseItem->setPosition( ccp(CCDirector::sharedDirector()->getWinSize().width / 2- 30, 20) );
CCMenuItemImage *pCloseItem1 = CCMenuItemImage::create(
"CloseNormal.png",
"CloseSelected.png",
this,
menu_selector(HelloWorld::menuRemoveCallback) );
pCloseItem1->setPosition( ccp(CCDirector::sharedDirector()->getWinSize().width / 2 + 30, 20) );
CCMenu* pMenu = CCMenu::create(pCloseItem1,pCloseItem, NULL);
pMenu->setPosition( CCPointZero );
this->addChild(pMenu, 1);
CCLabelTTF* pLabel = CCLabelTTF::create("江苏理工", "Thonburi", 34);
CCSize size = CCDirector::sharedDirector()->getWinSize();
//一开始设置为绿色
pLabel->setColor(ccGREEN);
pLabel->setPosition( ccp(size.width / 2, size.height / 2) );
this->addChild(pLabel,1);
//让节点闪烁的方法
CCAction *action = CCBlink::create(5, 20);
pLabel->runAction(action);
//变色的方法
CCAction *action1 = CCTintTo::create(5, 255, 0, 0);
pLabel->runAction(action1);
//左上角显示姓名
CCLabelTTF* pLabel1 = CCLabelTTF::create("丁小未", "Thonburi", 34);
CCSize size1 = CCDirector::sharedDirector()->getWinSize();
pLabel1->setAnchorPoint(ccp(0, 1));
pLabel1->setPosition( ccp(0, size1.height) );
this->addChild(pLabel1,1);
//右上角显示性别
CCLabelTTF* pLabel2 = CCLabelTTF::create("男", "Thonburi", 34);
CCSize size2 = CCDirector::sharedDirector()->getWinSize();
pLabel2->setAnchorPoint(ccp(1, 1));
pLabel2->setPosition( ccp(size2.width, size2.height) );
this->addChild(pLabel2,1);
//右下角显示年龄
CCLabelTTF* pLabel3 = CCLabelTTF::create("23", "Thonburi", 34);
CCSize size3 = CCDirector::sharedDirector()->getWinSize();
pLabel3->setAnchorPoint(ccp(1, 0));
pLabel3->setPosition( ccp(size3.width, 0) );
this->addChild(pLabel3,1);
return true;
}
void HelloWorld::menuCloseCallback(CCObject* pSender)
{
//结束关闭事件
// CCDirector::sharedDirector()->end();
//
//#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
// exit(0);
//#endif
CCSize size = CCDirector::sharedDirector()->getWinSize();
CCLabelTTF *pLabel = CCLabelTTF::create("我是添加的", "Thonburi", 24);
pLabel->setPosition(ccp(size.width/2+30,size.height/2+30));
pLabel->setTag(10);
this->addChild(pLabel,1);
}
void HelloWorld::menuRemoveCallback(CCObject *pSender)
{
CCNode *pLabel = this->getChildByTag(10);
this->removeChild(pLabel);
}
//多点触摸方法
void HelloWorld::ccTouchesBegan(cocos2d::CCSet *pTouches, cocos2d::CCEvent *pEvent)
{
//添加子视图
//随机数是CCRANDOM_0_1,是产生0-1之间的随机数
// CCSize size = CCDirector::sharedDirector()->getWinSize();
// CCLabelTTF *pLabel = CCLabelTTF::create("触屏添加", "Thonburi", 24);
// pLabel->setPosition(ccp(100, 100));
// pLabel->setTag(10);
// this->addChild(pLabel,1);
CCLog("多点触摸Began");
}
bool HelloWorld::ccTouchBegan(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent)
{
CCLog("单点触摸");
return true;//如果这个不返回true的话,则move方法没用
}
void HelloWorld::ccTouchMoved(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent)
{
CCLog("单点moved");
}
//触摸注册事件
//如果没有这个,默认的是多点触摸,Targeted是单点,Standed是多点触摸
void HelloWorld::registerWithTouchDispatcher()
{
CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this, 0, true);
}