我的按鈕和場景變化都很糟糕,我的titlescreen場景中的按鈕都可以工作並直接進入相應的屏幕,但是它們只會執行一次。所以我無法瀏覽選項,然後回到標題屏幕,然後再回到選項 - 我不知道爲什麼?使用Lua和Corona SDK時的場景和羣組問題
這裏是我的titlescreen文件:
module(..., package.seeall)
local assetPath = "assets/"
local mainGroup = display.newGroup()
function new()
local ui = require("ui")
local titleScreen = display.newImageRect(assetPath .. "mainMenu.png", display.contentWidth, display.contentHeight)
titleScreen.x = display.contentWidth/2
titleScreen.y = display.contentHeight/2
mainGroup:insert(titleScreen)
local onPlayTouch = function(event)
if event.phase == "release" then
director:changeScene("gameScreen")
end
end
local playButton = ui.newButton{
defaultSrc = assetPath .. "playnowbtn.png",
defaultX = 222,
defaultY = 62,
overSrc = assetPath .. "playnowbtn-over.png",
overX = 222,
overY = 62,
onEvent = onPlayTouch
}
playButton.x = display.contentWidth/2
playButton.y = 50;
mainGroup:insert(playButton)
local onOptionTouch = function(event)
if event.phase == "release" then
director:changeScene("optionsScreen")
end
end
local optionButton = ui.newButton{
defaultSrc = assetPath .. "playnowbtn.png",
defaultX = 222,
defaultY = 62,
overSrc = assetPath .. "playnowbtn-over.png",
overX = 222,
overY = 62,
onEvent = onOptionTouch
}
optionButton.x = display.contentWidth/2
optionButton.y = 190;
mainGroup:insert(optionButton)
return mainGroup
end
我的選項文件看起來是這樣的:
module(..., package.seeall)
function new()
local assetPath = "assets/"
local localGroup = display.newGroup()
local background = display.newImage (assetPath .."optionsScreen.png")
localGroup:insert(background)
local onBackTouch = function(event)
if event.phase == "release" then
director:changeScene("titleScreen")
end
end
local backButton = ui.newButton{
defaultSrc = assetPath .. "playnowbtn.png",
defaultX = 222,
defaultY = 62,
overSrc = assetPath .. "playnowbtn-over.png",
overX = 222,
overY = 62,
onEvent = onBackTouch
}
backButton.x = display.contentWidth/2
backButton.y = display.contentHeight/2
localGroup:insert(backbutton)
return localGroup
end
現在的按鈕顯示在選擇場景和響應觸摸,但不會直接回到titlescreen。
我想我對羣組感到困惑,只將圖像分配給場景而不是整個遊戲?
任何人都可以幫助我,謝謝。
編輯:
點擊按鈕時,我也得到這些運行時錯誤。
運行時錯誤 /Users/Lewis/Desktop/proj/optionsScreen.lua:30:錯誤:表預計。如果這是一個函數調用,則可能使用了'。'而不是':' 堆棧回溯: [C]:?在功能'插入' /用戶/路由器/桌面/程序/選項屏幕。 loadScene' /Users/Lewis/Desktop/proj/director.lua:415:in function'changeScene' /Users/Lewis/Desktop/proj/titlescreen.lua:67:in function'onEvent' /Users/Lewis/Desktop/proj/ui.lua:94:功能 ?:功能 運行時錯誤 /Users/Lewis/Desktop/proj/director.lua:151:嘗試調用字段'unloadMe'(一個零值) 堆棧回溯: [C]:in function'unloadMe' /Users/Lewis/Desktop/proj/director.lua:151:in function'_listener' ?:在功能 ?:在功能