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utils: add a simple function to substract a variable to another to zero

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Kazhnuz 2019-04-27 22:04:18 +02:00
parent ea5011642c
commit dcfa657f64
1 changed files with 10 additions and 0 deletions
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10
gamecore/utils/math.lua
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@ -40,6 +40,16 @@ function Math.round(num)
return math.floor(num + 0.5) return math.floor(num + 0.5)
end end
function Math.toZero(num, sub)
local sub = math.floor(sub)
if math.abs(num) < sub then
return 0
else
return num - (sub * Math.sign(num))
end
end
-- VECTOR/DIRECTION functions -- VECTOR/DIRECTION functions
-- Easy-to-use function to handle point and motion -- Easy-to-use function to handle point and motion