Question

我花了2天时间试图找出问题，但我不能这样问我 myText变量没有显示它是假设说得分我知道我没有更新分数但是没有关系继承人代码：

  display.setStatusBar( display.HiddenStatusBar )
-- Start Physics
local physics = require("physics")
physics.start()
-- Set Variables
_W = display.contentWidth; -- Get the width of the screen
_H = display.contentHeight; -- Get the height of the screen
motionx = 0; -- Variable used to move character along x axis
motiony = 0; -- Variable used to move character along y axis
speed = 2; -- Set Walking Speed
jump = 3;-- set jumping speed
score=0;
local myText = display.newText(score,_W-20,_H-20, native.systemFont, 30 )
-- Add Sky to the background
local sky = display.newImage("background_sky.png")
sky.x = _W/2; sky.y = 160;
-- add platform1 to game
local platform1 = display.newImage( "grass.png")
platform1.width=100;platform1.height=20;platform1.x=150;platform1.y=_H/2;
physics.addBody(platform1,"static",{ friction=0.5, bounce=0.3 })
-- add platform2 to game
local platform2 = display.newImage( "grass.png")
platform2.width=100;platform2.height=20;platform2.x=350;platform2.y=_H/2-70;
physics.addBody(platform2,"static",{ friction=0.5, bounce=0.3 })

-- Add Grass floor to game
local grass_bottom = display.newImage( "grass_bottom.png")
grass_bottom.x = _W/2; grass_bottom.y = _H-35;
--grass_bottom:setReferencePoint(display.BottomLeftReferencePoint)
physics.addBody( grass_bottom, "static", { friction=0.5, bounce=0.3 } )

-- Add Grass to the background
local grass_top = display.newImage( "grass_top.png")
grass_top.x = _W/2; grass_top.y = _H-95;

-- Add Guy
local guy = display.newImage( "guy.png" )
physics.addBody( guy, "dynamic", { friction=0.5, bounce=0 } )
guy.x = 2; guy.y = 150;

-- Add left joystick button
local left = display.newImage ("btn_arrow.png")
left.x = 45; left.y = 280;
left.rotation = 180;

-- Add right joystick button
local right = display.newImage ("btn_arrow.png")
right.x = 120; right.y = 282;
-- add up joystick button
local up = display.newImage ("btn_arrow.png")
up.x = 195;up.y=280;
up.rotation=-90;

-- Stop character movement when no arrow is pushed
local function stop (event)
    if event.phase =="ended" then
        motionx = 0;
        motiony = 0;
    end
end
Runtime:addEventListener("touch", stop )

-- Move character
local function moveguy (event)
    if guy.x < _W - 2 then
     if guy.x > 2 then
    guy.x = guy.x + motionx;
    guy.y = guy.y - motiony;
    end
         if guy.x == 2 then
    guy.x=3;
    end
if guy.x < 2 then
    guy.x=3;
    end
    if guy.x < _W - 2 then
    guy.x = guy.x + motionx;
    guy.y = guy.y - motiony;
    end
    if guy.x == _W - 2 then
    guy.x=_W-3;
    end
    if guy.x > _W - 2 then
    guy.x=_W-3;
    end

end
    end
Runtime:addEventListener("enterFrame", moveguy)

-- When left arrow is touched, move character left
function left:touch()
    motionx = -speed;
end
left:addEventListener("touch",left)

-- When right arrow is touched, move character right
function right:touch()
    motionx = speed;
end
right:addEventListener("touch",right)
-- When up arrow is touched, move character up
function up:touch()
    motiony = jump;
end
up:addEventListener("touch",up)

只是那一行

local myText = display.newText(score,_W-20,_H-20, native.systemFont, 30 )

我尝试了我需要你帮助的一切

Answer 1

不是电晕专家，但我在图形/ GUI编程方面有相当丰富的经验。

对我而言，添加背景时添加文本看起来很奇怪。这会导致到目前为止我使用过的所有框架都存在问题。

想象一下，你想在路上画一辆车。如果你先画汽车，你会在汽车上画路。你最终得到了一张道路的照片......

只是一个猜测。也许电晕足够聪明，可以自动将文本放入顶层。但我觉得很难相信。

Answer 2

您的文字显示在背景后面，因为之前已创建。我建议使用组来创建背景，中间和前层，然后创建场景的显示对象并将它们添加到您想要的组中。

为什么我的文字没有显示corona sdk

2 个答案: