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ios/Runner/Wowgame/Classes/game_food/TouchInterceptingLayer.cpp 2.57 KB
cb213901   xiaoyu   添加一个游戏的源码和编译选项
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  //
  //  TouchInterceptingLayer.cpp
  //  SteveMaggieCpp
  //
  //  Created by Katarzyna Kalinowska-Górska on 12.05.2017.
  //
  //
  
  #include "TouchInterceptingLayer.h"
  
  // create
  
  TouchInterceptingLayer * TouchInterceptingLayer::create(const cocos2d::Color4B& color, bool sceneGraphPriority)
  {
      TouchInterceptingLayer * layer = new (std::nothrow) TouchInterceptingLayer();
      if(layer && layer->initWithColor(color, sceneGraphPriority))
      {
          layer->autorelease();
          return layer;
      }
      CC_SAFE_DELETE(layer);
      return nullptr;
  }
  
  // overrides
  
  bool TouchInterceptingLayer::initWithColor(const cocos2d::Color4B& color, bool sceneGraphPriority)
  {
      if(!LayerColor::initWithColor(color))
      {
          return false;
      }
      
      _onTouchCallback = nullptr;
      this->configureTouchListener(sceneGraphPriority);
      
      return true;
  }
  
  //void TouchInterceptingLayer::onEnter()
  //{
  //    cocos2d::LayerColor::onEnter();
  //}
  
  void TouchInterceptingLayer::configureTouchListener(bool sceneGraphPriority)
  {
      auto touchListener = cocos2d::EventListenerTouchOneByOne::create();
      touchListener->setSwallowTouches(true);
      touchListener->onTouchBegan = [&](cocos2d::Touch* touch, cocos2d::Event* event){
          
          if(_onTouchCallback){
              _onTouchCallback(touch);
          }
          
          return true;
      };
  
      touchListener->onTouchMoved = [&](cocos2d::Touch* touch, cocos2d::Event* event){
      
          if(_onTouchMovedCallback){
              _onTouchMovedCallback(touch);
          }
      };
  
      touchListener->onTouchEnded = [&](cocos2d::Touch* touch, cocos2d::Event* event){
      
          if(_onTouchEndedCallback){
              _onTouchEndedCallback(touch);
          }
      };
  
      if(sceneGraphPriority){
          _eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
      } else {
          _eventDispatcher->addEventListenerWithFixedPriority(touchListener, TouchEventListenerPriority);
      }
  }
  
  //setters
  
  void TouchInterceptingLayer::setOnTouchCallback(const std::function<void(cocos2d::Touch*)>& onTouchCallback)
  {
      this->_onTouchCallback = onTouchCallback;
  }
  
  void TouchInterceptingLayer::setOnTouchMovedCallback(const std::function<void(cocos2d::Touch*)>& onTouchCallback)
  {
      this->_onTouchMovedCallback = onTouchCallback;
  }
  
  void TouchInterceptingLayer::setOnTouchEndedCallback(const std::function<void(cocos2d::Touch*)>& onTouchCallback)
  {
      this->_onTouchEndedCallback = onTouchCallback;
  }
  
  void TouchInterceptingLayer::clearTouchHandlers()
  {
      _onTouchCallback = nullptr;
      _onTouchMovedCallback = nullptr;
      _onTouchEndedCallback = nullptr;
  }