【发布时间】:2014-04-05 19:27:23
【问题描述】:
对于这个函数fallingCoins(),我的代码中有向后移动的硬币,当锚点接触硬币时我需要隐藏这些硬币。
function fallingCoins()
local myPlayer = display.newCircle( math.random(20,_W+20), -25, math.random(10,10) )
myPlayer:setStrokeColor(255, 128, 0 )
myPlayer:setFillColor(math.random(245,255),math.random(210,223),7)
myPlayer.myName = "myPlayer"
physics.addBody( myPlayer, "static" )
myPlayer.y = "150"
local function muovi()
myPlayer:translate(-2, 0)
end
Runtime:addEventListener( "enterFrame", muovi );
end
timer.performWithDelay( 3000, fallingCoins )
如果硬币碰到锚,我就把它藏起来。
function onCollision3( event )
if(event.object1.myName == "guy" and event.object2.myName == "myPlayer") then
event.object2:removeSelf();
end
end
Runtime:addEventListener( "collision", onCollision3 )
如果我触摸硬币,则会出现此错误
"---------------------------
Corona Runtime Error
---------------------------
...as\desktop\run2\scroll\scrolling background\main.lua:123: attempt to call method 'translate' (a nil value)
stack traceback:
[C]: in function 'translate'
...as\desktop\run2\scroll\scrolling background\main.lua:123: in function <...as\desktop\run2\scroll\scrolling background\main.lua:122>
?: in function <?:218>
Do you want to relaunch the project?
---------------------------
Yes No
---------------------------
"
请帮我解决我做错的地方..
【问题讨论】:
-
main.lua中哪一行是123?