电晕故事板调度事件错误

Question

我在电晕模拟器中收到以下错误。据我所知，我的文件没有任何变化。 （我已经包含了 main.lua 代码和 menuMain.lua 代码。）如果您对可能导致此问题的原因有任何想法，将不胜感激！ =) 谢谢。

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Corona 模拟器运行时错误 文件： ？ 尝试调用方法“dispatchEvent”（零值） 堆栈回溯： [c] 在函数“dispatchEvent”中 ?在函数 gotoScene 中 ...dwegrecki/main.lua:16 在主块中

---

-- main.lua

-- Hide Status Bar
display.setStatusBar(display.HiddenStatusBar)

-- require controller module
local storyboard = require "storyboard"

-- load first screen
storyboard.gotoScene( "menuMain" )

-- menuMain.lua

local storyboard = require( "storyboard" )
local scene = storyboard.newScene()

---------------------------------------------------------------------------------
-- BEGINNING OF IMPLEMENTATION
---------------------------------------------------------------------------------
    local mainBg
    local titleIcon
    local startBtn
    local aboutBtn
    local onStartBtnTouch = {}
    local scene = {}


    -- Touch event listener for startBtn
local function onStartBtnTouch( self, event )
        if event.phase == "began" then
        storyboard.gotoScene( "menuLevel", "fade", 400  )
            return true
        end
end

    -- Touch event listener for cerditsBtn
local function onCreditsBtnTouch( self, event )
        if event.phase == "began" then
        storyboard.gotoScene( "zerocredits", "fade", 400  )
            return true 
        end
end

-- Called when the scene's view does not exist:
function scene:createScene( event )
    local screenGroup = self.view

    mainBg = display.newImage('bg.png')
    titleBg = display.newImage('title.png', 0, 100)
    playBtn = display.newImage('playBtn.png', 200, 240)
    creditsBtn = display.newImage('creditsBtn.png', 200, 290)
    titleView = display.newGroup(titleBg, playBtn, creditsBtn)

    screenGroup:insert( titleBg, playBtn, creditsBtn )

    playBtn.touch = onStartBtnTouch
    creditsBtn.touch = onCreditsBtnTouch

end

-- Called immediately after scene has moved onscreen:
function scene:enterScene( event )
    print( "1: enterScene event" )

    -- remove previous scene's view
    storyboard.purgeScene( "LevelMenu" )
    storyboard.purgeScene( "credits" )
    storyboard.purgeScene("main")

end

-- Called when scene is about to move offscreen:
function scene:exitScene( event )
    print( "1: exitScene event" )

    -- remove touch listener for image
    mainBg:removeEventListener( "touch", mainBg )
end

-- Called prior to the removal of scene's "view" (display group)
function scene:destroyScene( event )
    print( "((destroying scene 1's view))" )
end

---------------------------------------------------------------------------------
-- END OF IMPLEMENTATION
---------------------------------------------------------------------------------

scene:addEventListener( "createScene", scene )
scene:addEventListener( "enterScene", scene )
scene:addEventListener( "exitScene", scene )
scene:addEventListener( "destroyScene", scene )

---------------------------------------------------------------------------------

return scene

Answer 1

我重新创建了与您的项目相同的项目，但在 local scene = {} 上出现错误，您为什么要将可变场景设为表格？