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?