1

我的代码看起来像这样:

local myTransition
local myGroup = display.newGroup()

-- Fill group with all sorts of stuff

-- Create the transition
myTransition = transition.to(myGroup, {alpha = 1})

-- Get rid of the transition
if myTransition ~= nil then
    transition.cancel(myTransition)
end

myTransition = nil

当我尝试时,我得到 nil 值:

Runtime error
?:0: attempt to index a nil value
stack traceback:
[C]:?
?: in function 'cancel'

如果我想取消任何其他对象的任何其他转换,效果很好。当我尝试进行组转换时,它失败了。有任何想法吗?

4

1 回答 1

2

尝试将转换称为:

myTransition = transition.to(myGroup, {time = 1000, alpha = 1})

并取消为:

if myTransition ~= nil then
    transition.cancel(myTransition)
    myTransition = nil
end

继续编码...... :)

于 2013-07-29T14:52:27.500 回答