Mirrorlandia_minetest/minetest
1
0
Fork 1
mirror of https://github.com/minetest/minetest.git synced 2024-12-28 17:07:29 +01:00
Code Issues Packages Projects Releases Wiki Activity

Move math.hypot() to misc_helpers.lua and fix zero-division error

Browse Source
This commit is contained in:
ShadowNinja 2013-07-07 12:02:11 -04:00 committed by kwolekr
parent 9dcd21911a
commit a75afb85ca
2 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
builtin/misc.lua
View File

@ -106,13 +106,3 @@ function minetest.formspec_escape(str)
return str
end
function math.hypot(x, y)
local t
x = math.abs(x)
y = math.abs(y)
t = math.min(x, y)
x = math.max(x, y)
t = t / x
return x * math.sqrt(1 + t * t)
end

10
builtin/misc_helpers.lua
View File

@ -91,4 +91,14 @@ function minetest.pos_to_string(pos)
return "(" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ")"
end
function math.hypot(x, y)
local t
x = math.abs(x)
y = math.abs(y)
t = math.min(x, y)
x = math.max(x, y)
if x == 0 then return 0 end
t = t / x
return x * math.sqrt(1 + t * t)
end