Multiple-timer facility

 

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Reproduced with permission from Penworks Lingo User"s Journal

-- Source Code from the Lingo User"s Journal -- Copyright (c) 1995 by Penworks Corporation on startMovie   initTimer   setTimer(#MusicTimer, seconds(15))   SetTimer(#SoundTimer, seconds(30)) end startMovie on stopMovie   put "(stopped)"   shutDownTimer end stopMovie on exitFrame   if timerExpired(#MusicTimer) then     put "Music timer expired"     setTimer(#MusicTimer,seconds(20))   end if   if timerExpired(#SoundTimer) then     put "Sound timer expired."     killTimer(#SoundTimer)   end if   go to the frame end exitFrame -- Timer Services global timerList on seconds numSeconds   -- Converts seconds to ticks, so you can refer to seconds(4) instead of 240 (4 * 60)   return(numSeconds * 60) end seconds on timerExpired whichTimer   -- Check to see if a given timer expired   set expirationTime =getAProp(timerList, whichTimer)   set expired =expirationTime and (getTimeCount() >= expirationTime)   return(expired) end timerExpired on setTimer whichTimer, numTicks   -- Set the expiration time of a timer   set expirationTime =getTimeCount() + numTicks   setAProp( timerList, whichTimer, expirationTime) end setTimer on killTimer whichTimer   -- Force a timer to expire   setAProp(timerList, whichTimer, 0) end killTimer on initTimer   set timerList=[:] end initTimer on shutDownTimer end shutDownTimer on getTimeCount   return the ticks end getTimeCount