From b5d52d605b43c301743dc17fb350482f98ac5098 Mon Sep 17 00:00:00 2001
From: iTracerFacer <134304944+iTracerFacer@users.noreply.github.com>
Date: Mon, 10 Nov 2025 08:58:21 -0600
Subject: [PATCH] =?UTF-8?q?The=20timer=20error=20came=20from=20=5FisUnitIn?=
 =?UTF-8?q?Air=E2=80=94when=20DCS=20returned=20a=20velocity=20table=20with?=
 =?UTF-8?q?out=20x/z,=20the=20math=20tried=20to=20square=20nil.=20I=20now?=
 =?UTF-8?q?=20defensively=20treat=20missing=20components=20as=20zero,=20so?=
 =?UTF-8?q?=20the=20ground-speed=20check=20no=20longer=20crashes=20(Moose?=
 =?UTF-8?q?=5FCTLD=5FPure/Moose=5FCTLD.lua).?=
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---
 Moose_CTLD_Pure/Moose_CTLD.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Moose_CTLD_Pure/Moose_CTLD.lua b/Moose_CTLD_Pure/Moose_CTLD.lua
index 926da06..986f24a 100644
--- a/Moose_CTLD_Pure/Moose_CTLD.lua
+++ b/Moose_CTLD_Pure/Moose_CTLD.lua
@@ -1520,7 +1520,9 @@ local function _isUnitInAir(unit)
   -- NOTE: AI can hold perfect hover, so only apply this check for player-controlled units
   local vel = unit:GetVelocity()
   if vel and unit:GetPlayerName() then
-    local groundSpeed = math.sqrt(vel.x * vel.x + vel.z * vel.z) -- horizontal speed in m/s
+    local vx = vel.x or 0
+    local vz = vel.z or 0
+    local groundSpeed = math.sqrt((vx * vx) + (vz * vz)) -- horizontal speed in m/s
     if groundSpeed < 0.05 then
       return false -- stopped on ground
     end