Every Frame While Loop Crashes Game?

MidnightCoffee · December 2017

So, I wanted my game to call a function every 1.5 seconds, so I added the below code to my On Frame Event function and, the game doesn't load. It says it uploaded in the console, but I either get a pinwheel cursor on my computer, or nothing starts up if I'm testing on my phone. It runs fine without this bit:

while isMoving == true do
	timer = Timer.delayedCall(1500, spikeFall)
  end

Any ideas? Am I doing something wrong?

Thanks!

totebo · December 2017

The problem is most likely that the variable isMoving remains true, causing an infinite amount of timers being created each frame.

You probably want to replace the while statement with if, and make sure it's only run once by setting a Boolean variable;

if isMoving == true then
   if spike_is_about_to_fall ~= true then
      timer = Timer.delayedCall(1500, spikeFall)
      spike_is_about_to_fall = true
   end
end

And then set spike_is_about_to_fall to false once the spike has fallen.

Niclas

oleg · December 2017

timer = Timer.new(1500)  
 
function onTimer(e)
 
	if  isMoving == true then
		print(os.timer())
		--spikeFall()
	else
		Timer:stop()
	end
 
 
 
end
 
timer:addEventListener(Event.TIMER, onTimer)
timer:start()

MidnightCoffee · December 2017

Got it, thanks!

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