cocos2dx3.2开发 RPG《Flighting》（十四）暂停按钮

本文链接：https://blog.youkuaiyun.com/hezijian22/article/details/42611265

本文介绍如何在游戏中添加暂停功能，通过创建暂停场景并使用Cocos2d-x引擎的菜单和按钮组件来实现游戏暂停及继续的游戏逻辑。

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一、前言

整个教程快接近尾声了。还有一个暂停功能需要添加

二、正文

首先，我们要在右上方添加一个按钮

bool FlightLayer::init(){
	
	MenuItemImage* pauseBtnItem = MenuItemImage::create("UI/pauseBtn.png","UI/pauseBtn.png",[=](Ref* pSender){Director::getInstance()->pushScene(PauseScene::create());});
	Menu* pauseBtn = Menu::create(pauseBtnItem,NULL);
	pauseBtn->setPosition(1180,650);
	this->addChild(pauseBtn,4);

	

	return true;
}

这个按钮很简单，回到函数也直接用lumada表达式了

点击的时候会弹出PuaseScene

class PauseScene : public Scene{
public:
	virtual bool init();
	CREATE_FUNC(PauseScene);
private:
	void continueGame(Ref* pSender,TouchEventType type);
	void stopGame(Ref* pSender,TouchEventType type);
};

#include "PauseScene.h"

bool PauseScene::init(){
	Widget* pNode = GUIReader::getInstance()->widgetFromJsonFile("UI/PauseUI.json");
	this->addChild(pNode,0);

	Button* continueBtn = (Button*)Helper::seekWidgetByName(pNode,"continueBtn");
	continueBtn->addTouchEventListener(this,toucheventselector(PauseScene::continueGame));
	Button* stopBtn = (Button*)Helper::seekWidgetByName(pNode,"stopBtn");
	stopBtn->addTouchEventListener(this,toucheventselector(PauseScene::stopGame));
	return true;
}

void PauseScene::continueGame(Ref* pSender,TouchEventType type){
	if(type == TouchEventType::TOUCH_EVENT_BEGAN){
		CCLOG("GAME CONTINUE");
		Director::getInstance()->popScene();
	}
}

void PauseScene::stopGame(Ref* pSender,TouchEventType type){
	if(type == TouchEventType::TOUCH_EVENT_BEGAN){
		CCLOG("GAME STOP");
		Director::getInstance()->replaceScene(ChooseScene::create());
	}
}

大概就这样吧。