cocos2dxlua 触屏事件（以后全部使用图片做触屏，不会遮挡，layer默认铺满全屏，会遮挡）

local scheduler = require(cc.PACKAGE_NAME .. ".scheduler")

local MainScene = class("MainScene", function()
    return display.newScene("MainScene")
end)

function MainScene:ctor()

    local sp = display.newSprite("1.png",display.cx-200,display.cy):addTo(self);
    sp:setTouchEnabled(true)  
    sp:setTouchMode(cc.TOUCH_MODE_ONE_BY_ONE)  
    sp:addNodeEventListener(cc.NODE_TOUCH_EVENT, function (event)  
        local x, y, prevX, prevY = event.x, event.y, event.prevX, event.prevY  

        if event.name == "began" then  
            print("layer began")  
        elseif event.name == "moved" then  
            print("layer moved")  
        elseif event.name == "ended" then  
            print("layer ended")  
        end  

        return true  
    end)  
    
    local sp2 = display.newSprite("1.png",display.cx,display.cy):addTo(self);
    sp2:setTouchEnabled(true)  
    sp2:setTouchMode(cc.TOUCH_MODE_ONE_BY_ONE)  
    sp2:addNodeEventListener(cc.NODE_TOUCH_EVENT, function (event)  
        local x, y, prevX, prevY = event.x, event.y, event.prevX, event.prevY  

        if event.name == "began" then  
            print("layer2 began")  
        elseif event.name == "moved" then  
            print("layer2 moved")  
        elseif event.name == "ended" then  
            print("layer2 ended")  
        end  

        return true  
    end) 
end

return MainScene