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nil check for get_distance

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tenplus1 2020-07-20 07:27:55 +01:00
parent f033cd401c
commit 4814f53885
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api.lua
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@ -195,7 +195,7 @@ end
-- calculate distance -- calculate distance
local get_distance = function(a, b) local get_distance = function(a, b)
if not a or not b then return 50 end -- nil check
local x, y, z = a.x - b.x, a.y - b.y, a.z - b.z local x, y, z = a.x - b.x, a.y - b.y, a.z - b.z
return square(x * x + y * y + z * z) return square(x * x + y * y + z * z)