cocos2dx 事件监听

    local btnSp=cc.Sprite:create("icon.png")
    ly:addChild(btnSp)
    btnSp:setPosition(600,100)
    
    local function onTouchBegan(touch,event)
        
        local locationInNode = btnSp:convertToNodeSpace(touch:getLocation())
        local s = btnSp:getContentSize()
        local rect = cc.rect(0,s.width,s.height)

        if cc.rectContainsPoint(rect,locationInNode) then
            print("------touch  me--------")
            return true
        end

        return false    
    end

    local function onTouchMoved(touch,event)
        print("----move----")
    end

    local  function onTouchEnded(touch,event)
           print("----end----")
    end
    
    local eventDispatcher = ly:getEventDispatcher()
        
    local listener = cc.EventListenerTouchOneByOne:create()
    listener:setSwallowTouches(true)

    listener:registerScriptHandler(onTouchBegan,cc.Handler.EVENT_TOUCH_BEGAN )
    listener:registerScriptHandler(onTouchMoved,cc.Handler.EVENT_TOUCH_MOVED )
    listener:registerScriptHandler(onTouchEnded,cc.Handler.EVENT_TOUCH_ENDED )
 
    eventDispatcher:addEventListenerWithSceneGraphPriority(listener,btnSp)