Wait(n) not working in while true do loop (lua ROBLOX)

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Hello Everyone
I am trying to make the lights on a police car keep flashing, but the while loop I am using does not work.

The Output shows that the wait loops does not function, and I have used print statements to see where the issue was. Please help

What I have tried:

local blue = script.Parent.Blue
local red = script.Parent.Red

--Flashing lights
while true do
	red.Material = "SmoothPlastic"
	red.SpotLight.Brightness = 1
	blue.Material = "Neon"
	blue.SpotLight.Brightness = 3
	print('Blue Lights Activated')
	wait(2)
	print('Waiting Procedure')
	wait(0.1)
	red.Material = "Neon"
	red.SpotLight.Brightness = 3
	blue.Material = "SmoothPlastic"
	blue.SpotLight.Brightness = 1
	print('Red Lights Activated')
end

local blue = script.Parent.Blue
local red = script.Parent.Red

--Flashing lights
for i=1, 1000 do
	red.Material = "SmoothPlastic"
	red.SpotLight.Brightness = 1
	blue.Material = "Neon"
	blue.SpotLight.Brightness = 3
	print('Blue Lights Activated')
	wait(2)
	print('Waiting Procedure')
	wait(0.1)
	red.Material = "Neon"
	red.SpotLight.Brightness = 3
	blue.Material = "SmoothPlastic"
	blue.SpotLight.Brightness = 1
	print('Red Lights Activated')
end

Posted 22-May-21 3:55am

scriptingnoob

Updated 22-May-21 4:52am

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Richard MacCutchan · Answer 1 · 2021-05-22T04:52:00

Solution 1

See wait function lua Code Example[^].

Posted 22-May-21 4:52am

Richard MacCutchan

Member 16293575 · Answer 2 · 2024-06-28T04:35:00

1: There is no wait after red lights, using for i=1, 1000 do makes it glitchy and more. Here is a fixed version:

Lua

local red = script.Parent.red
local blue = script.Parent.blue

local open = true -- You can edit how it will open / close by if function.

while open == true do
	red.Material = Enum.Material.SmoothPlastic
	red.SpotLight.Brightness = 1
	blue.Material = Enum.Material.Neon
	blue.SpotLight.Brightness = 3
	print('Blue Lights Activated')
	wait(0.8)
	print('Waiting Procedure')
	wait(0.1)
	red.Material = Enum.Material.Neon
	red.SpotLight.Brightness = 3
	blue.Material = Enum.Material.SmoothPlastic
	blue.SpotLight.Brightness = 1
	print('Red Lights Activated')
	wait(0.8)
	print('Waiting Procedure') -- Makes it retry wait.
	wait(0.1)
end

in this code:

* We edited how material will change. Material cannot be changed with "" and it must be used by Enum.Material.material

* We edited waiting time, 2 is a pretty slow time for a police car lights.

* We maked an new variable named "open" and this variable can be changed by an if function. This variable makes the main function works.

* We changed "for i = 1,1000 do" and instead of that, we did "while open == true do" and this script makes if open equals true, then run the script.

This is all! Don't forget to make 5 stars on this! Thanks.