Minetest-WorldEditAdditions/worldeditadditions/utils/numbers.lua

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2020-05-11 03:02:02 +02:00
-- From http://lua-users.org/wiki/SimpleRound
2020-05-12 01:38:42 +02:00
function worldeditadditions.round(num, numDecimalPlaces)
2020-05-11 03:02:02 +02:00
local mult = 10^(numDecimalPlaces or 0)
return math.floor(num * mult + 0.5) / mult
end
function worldeditadditions.hypotenuse(x1, y1, x2, y2)
local xSquare = math.pow(x1 - x2, 2);
local ySquare = math.pow(y1 - y2, 2);
return math.sqrt(xSquare + ySquare);
end
function worldeditadditions.average(list)
if #list == 0 then return 0 end
local sum = 0
for i,value in ipairs(list) do
sum = sum + value
end
return sum / #list
end
--- Returns the minetest.get_us_time() in ms
-- @return float
function worldeditadditions.get_ms_time()
return minetest.get_us_time() / 1000
end