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i didn't have yield statements. i started out using vizact.ontimer within the while-loop to implement an elapsed time function :
startTime = viz.tick()
def elapsed():
elapsedTime = viz.tick()-startTime
vizact.ontimer(0, elapsed)
i wanted to use 'elapsed' to monitor each trials time and set isDone to True when the time hit 20 seconds. the partner i am working with pointed out that the preceeding script wouldn't create a timer at the start of the while loop like i had intended but would instead create timerS nonstop once the while loop began. as a result, i think i created a massive memory leak...
how would i go about implementing a yield statement to get an elapsed time function?
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