mirrors/opus
1
0
Fork 0
mirror of https://github.com/kepler155c/opus synced 2025-01-26 15:16:52 +00:00
Code Issues Releases Wiki Activity

Added util.signum, util.clamp, and fixed util.round

Browse Source 
Added commonly used math operations. Fixed bug where util.round(-0.5) returns 0.
This commit is contained in:
sorucoder 2018-12-09 00:37:23 -05:00
parent 70a98e33d7
commit 3c9f03477a
1 changed files with 21 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
sys/apis/util.lua
View File

@ -109,10 +109,30 @@ function Util.checkMinecraftVersion(minVersion)
return convert(version) >= convert(tostring(minVersion))
end
function Util.signum(num)
if num > 0 then
return 1
elseif num < 0 then
return -1
else
return 0
end
end
function Util.clamp(lo, n, hi)
if num <= lo then
return lo
elseif num >= hi then
return hi
else
return n
end
end
-- http://lua-users.org/wiki/SimpleRound
function Util.round(num, idp)
local mult = 10^(idp or 0)
return math.floor(num * mult + 0.5) / mult
return util.signum(num) * math.floor(math.abs(num) * mult + 0.5) / mult
end
function Util.random(max, min)