quick cocos lua chaifenlei

MainScene.lua

require("src.app.scenes.MainSceneEx")
local MainScene = class("MainScene", function()
    return display.newScene("MainScene")
end)

function MainScene:ctor()
    self.a=3
    self.b=4
    print( add(self))
end


return MainScene

MainSceneEx.lua
function add(self_)
    return self_.a+self_.b
end