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Re: Manual Questions

by Christian Walther :: Rate this Message:

> I want pipmak as soon as leaves a specific node, show the small fram
> in the
> middle of the page and start over the game. well, I supposed
> something like
> this work:
>
> img = pipmak.newimage("congratulations.jpg") // picture file is in
> the node
> folder
>
> onleavenode(
> function
>
> slide(img)
>
> end
> )
>
> but this gives me an error:attemp to call global slide ( a nil value).

"slide" is not a function that you can call at any time to create a
slide node out of thin air. It is only used at the top level of a
node.lua file to describe that particular node, and is only defined at
the time the node.lua file is read. It is technically a function but
you shouldn't think of it as one, rather as a statement in a
declarative node description language. (I know that statements like
the 'local img = something; slide (img)' I proposed blur that notion,
that's why I consider them inelegant and confusing. The slide
statement is really intended to be used only as 'slide "imagename"' or
'slide {"imagename", more stuff}'.)

I'm a bit confused by your desire to display a third node when the
player moves from one node to another (rather than at some other time
determined by your game code). Do you want the move to be canceled and
the popup displayed above the old node, or should it be displayed on
top of the new node? (Are there several possibilities of what the new
node can be? If there's only one, it would seem more natural to me to
do this in the code that triggers the leaving than in the onleavenode
handler. Or in the new node on entering.)

Here's how displaying it on top of the new node should work:

onleavenode(
function()
pipmak.overlaynode(123) -- node 123 is your popup
end
)

-Christian

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