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Posted: **Mon May 10, 2021 12:56 pm**

So I have a function that look something like this:

function checkPlayerCollisions()
	local x = player.x
	local y = player.y
	local rx = math.round(x)
	local ry = math.round(y)
	. . .
end

And the problem is, that the program can't call math.round() for some reason, it always says "attempt to call field 'round' (a nil value)", even if I remove the 'local' thing, just always, with any variable in this particular function (it doesn't throw any errors in the other functions).
can some1 halp pls

Posted: **Mon May 10, 2021 1:20 pm**

This code has one erro, not is math.round, os math.random, but hás love.math.random too, for use math.round, before add "math.round=math.random" or "math.round=love.math.random"

Posted: **Mon May 10, 2021 1:54 pm**

Still new there, but I'll give a try...
From what I understood, there isn't "math.round" in Lua ; instead, we have math.floor and math.ceil (pretty much self-explanatory).

Posted: **Mon May 10, 2021 2:09 pm**

math.round doesn't exist in Lua by default. You'll have to define it yourself:

Code: Select all

math.round = function(n)
	return math.floor(n + 0.5)
end

See the Lua manual for all existing math functions.

Posted: **Tue May 11, 2021 3:44 pm**

thank you all so much it works now

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math.round() doesn't work

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