Re: FLASH: Evaluate a variable in a loop...

[John Croteau]

Hi miles,


> And on a side note, is there a more comprehensive resource for the syntax

> of actions? The docs leave many questions unanswered.

Though I just started the series even Variables 1 should help, other

tutorials here treat this subject by example. -->

http://www.FlashBible.com/members/


> I've checked the docs, MACR's site, and the other usual suspects to no

> avail so here it goes.

The first usual suspect is --> http://www.FlashCentral.com/Tech/

And I found the answer there easily.


> What is the best way to test a variable in a looping segment of a timeline?

> For example I have this action attached to a button:


> On Release

>         Comment: read in status.txt; typical contents: status=ok

>         Load Variables("status.txt",0)

>         Go To and Play("Submit_Loop")

> end release


> The contents of status.txt file is "status=ok", so ok appears on stage in

> the status field variable. This field is visible in all frames of the movie.

> I have a label called "Submit_Loop", that contains this frame action:


> Comment: Handle ok result

> If (Eval(status) = ok)

>       Go to and Stop ("OK")

> Comment: Handle not_ok result

> Else If (Eval(status) = not_ok)

>       Go to and Stop ("Not_OK")

> Comment: Handle bad_data result

> Else If (Eval(status) = bad_data)

>       Go to and Stop ("Bad_Data")

> End If

> 

> Three frames later I have another frame with this frame action that creates

> the loop:

> Go to and Play("Submit_Loop")

> Regardless of the value of status, the movie goes to "Bad_Data". How do I

> modify

> the above to have status evaluated correctly? It's probably an easy fix but


You are checking for variables and not literal strings, also I see no

need for eval here.

You need to preset the variable status before the loop:

Set Variable: "status" = "not_ok"

The not received yet is Not_OK which should restart the loop.

If you receive any string except "OK" then you have Bad Data.


If (status) = "ok"

      Go to and Stop ("OK")

  Else If (status) = "not_ok"

      Go to and Stop ("Not_OK")

  Else

      Go to and Stop ("Bad_Data")

End If


-----------                               -----------------------

John Croteau

croteauerols [dot] com (mailto:croteauerols [dot] com)

-------------                             -------------------------

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