【cocos2dx】上下左右简单的触控分析

概述下面的代码在 bool Game::init(){  中。 // on Touch ;moved by 10 pix we think it moved //触控设置 //定义： //bool m_startMove;//是否开始移动 //int m_x, m_y;//触摸开始的点 auto event = EventListenerTouchOneByOne::create();

下面的代码在 bool Game::init(){ 中。

// on touch  ;moved by 10 pix we think it moved	//触控设置	//定义：	//bool m_startMove;//是否开始移动	//int m_x,m_y;//触摸开始的点	auto event = EventListenertouchOneByOne::create();	event->ontouchBegan = [&](touch*tou,Event *eve){		m_x = tou->getLocation().x;		m_y = tou->getLocation().y;		m_startMove = true;		//cclOG("ontouchBegan  m_x = %d,m_y = %d",m_x,m_y);		return true;	}; 		event->ontouchmoved = [&](touch*tou,Event *eve){		int x = tou->getLocation().x;		int y = tou->getLocation().y;		//cclOG("ontouchmoved  m_x = %d,x,y);		if(m_startMove && (abs(m_x - x) > 10 || abs(m_y - y) > 10))		{			//reference OPENGL 坐标			m_startMove = false;			E_MOVE_DIR dir;			if (abs(m_x - x) > abs(m_y - y)){				//move by X dirction				if (m_x < x){					dir = E_MOVE_DIR::RIGHT;					cclOG("==E_MOVE_DIR == right");				}				else				{					dir = E_MOVE_DIR::left;					cclOG("==E_MOVE_DIR == left");				}			}			else{				// move by Y direction				if (m_y < y){					dir = E_MOVE_DIR::UP;					cclOG("==E_MOVE_DIR == up");				}				else{					dir = E_MOVE_DIR::DOWN;					cclOG("==E_MOVE_DIR == down");				}			}			moveAllTiled(dir);//移动所有的元素块		}			};	Director::getInstance()->getEventdispatcher()->addEventListenerWithSceneGraPHPriority(		event,this);	return true;// end of  Game::init}voID Game::moveAllTiled(E_MOVE_DIR dir){	//移动所有的块，消除	//cclOG("==some of the Tiled have moved!!!");	switch (dir)	{	case E_MOVE_DIR::UP:		moveUp();		break;	case E_MOVE_DIR::DOWN:		moveDown();		break;	case E_MOVE_DIR::left:		moveleft();		break;	case E_MOVE_DIR::RIGHT:		moveRight();		break;	default:		break;	}	//music 	// 判定输赢	//产生新块	newMovedTiled();}

在Game这个层中进行监听触控方向，当移动10个像素的值时，我们认为他移动了，我们就进行相应的动作。

注意函数的写法。

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