Pausing a simple animation

[Jim Biancolo]

Hi again folks,

I thought I had this, but I'm still stumped.  I thought if I had my "play" 
button invoke a different handler using "send in 10 milliseconds" then the 
"on mouseUp" event of the play button would end instantly (in effect) and 
other buttons would be clickable while the animation was running (including 
my "pause" button).  This does not seem to be the case.  When I hit "play" 
this code runs:

on mouseUp
    send animateTokens to card "myCanvas" in 10 milliseconds
end mouseUp

This invokes the handler:

on animateTokens
   global b_play
   put TRUE into b_play
   repeat for each line L in field "frames"
     set the lockMoves to true
     repeat with i = 1 to the number of images in group "tokens_group"
       move image i of group "tokens_group" to coords without waiting
     end repeat
     set the lockMoves to false
     if not b_play then break
   end repeat
end animateTokens

Unfortunately "pause" remains unclickable for the duration of 
"animateTokens" so there's no chance for it to set the global "b_play" to 
FALSE until after the animation is already done.

On the bright side, I no longer feel like I'm missing something 
obvious.  :-)  Can anybody help?

Thanks!

Jim

At 08:01 PM 5/14/2003 -0400, Jim Biancolo wrote:
>[ Sorry if this is a duplicate post - I never saw my original post appear 
>on the list, despite seeing lots of other stuff since. ]
>
>Hi folks,
>
>I have a simple animation that fires on mouseUp of a "Play" button:
>
>   repeat for each line L in field "frames"
>     set the lockMoves to true
>     repeat with i = 1 to the number of images in group "tokens"
>       move image i of group "tokens" to ...
>     end repeat
>     set the lockMoves to false
>   end repeat
>
>I know I must be missing something obvious, but I can't figure out how to 
>let a "pause" button interrupt this loop.  The "pause" button doesn't 
>appear to be clickable until the "play" mouseUp finishes.
>
>Any suggestions would be appreciated!
>
>Thanks,
>
>Jim
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