diff -r 583d8b96fb30 -r d65e25e211d4 share/hedgewars/Data/Scripts/SimpleMission.lua
--- a/share/hedgewars/Data/Scripts/SimpleMission.lua	Fri Apr 19 04:48:30 2019 +0200
+++ b/share/hedgewars/Data/Scripts/SimpleMission.lua	Fri Apr 19 15:54:44 2019 +0200
@@ -27,6 +27,7 @@
 
 HedgewarsScriptLoad("/Scripts/Locale.lua")
 HedgewarsScriptLoad("/Scripts/Tracker.lua")
+HedgewarsScriptLoad("/Scripts/Utils.lua")
 
 --[[
 SimpleMission(params)
@@ -221,20 +222,6 @@
 	end
 end
 
--- Get hypotenuse of a triangle with legs x and y
-local function 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
-
 local errord = false
 
 -- This function generates the mission. See above for the meaning of params.
@@ -366,7 +353,7 @@
 				tX, tY = GetGearPosition(_G.sm.goalGears[goal.id2])
 			end
 
-			local h = hypot(gX - tX, gY - tY)
+			local h = integerHypotenuse(gX - tX, gY - tY)
 			if goal.relationship == "smallerThan" then
 				return h < goal.distance
 			elseif goal.relationship == "greaterThan" then