How do I find a number between 2 numbers

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#1

hi, I have a problem with thing to my game

I don’t know how to find number between 2 different numbers, I tried to use this:

if number >= 100 and number <= 200 then
--something
end

but it doesn’t seem to work.

#2

If you want the number in between 2, literally, then linear interpolation is your friend.

local function lerp(start, goal, alpha)
    return start + (goal - start)*alpha
end

print(lerp(100, 200, 0.5)) -- 150

Otherwise not sure what you want.

3 Likes
#3

well, I’m checking for rotation of 2d gui, and if it’s between these 2 numbers then player can continue repairing a power box, if not, then player needs to start again

it’s something like in Flee the Facility when you’re hacking computer

#4

You could use a number range such as

local NumberRange = NumberRange.new(1, 5)
local Number = 3

if Number >= NumberRange.Min and Number <= NumberRange.Max then
print("number is between two numbers")
end

This should work!

3 Likes
#5

Why do you need NumberRange for this may I ask? In this instance, it’s basically this:

number >= 1 and number <= 5

To OP: Could you explain how it doesn’t work? What’s the value of the number?

#6

NumberRange isn’t necessary for this situation, it’s just another method for checking if a number is between two numbers.

#7

You can use math.random. Let me know if you don’t know what it is.

#8

can you show us your whole script?

the issue might be something else

#9

the issue was something different, but it’s already solved.

#10

This should be set as the answer