From 32be6f26b668f1fb290841883dfbc4d0eba972f2 Mon Sep 17 00:00:00 2001
From: Riceball LEE <snowyu.lee@gmail.com>
Date: Thu, 14 Jul 2022 11:57:19 +0800
Subject: [PATCH] fix: Lua: Runtime error from mod 'animalia' attempt to call
 global 'cos'/'sin'/'vec_center' (a nil value)

---
 api/behaviors.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/api/behaviors.lua b/api/behaviors.lua
index 545a635..2796dd4 100644
--- a/api/behaviors.lua
+++ b/api/behaviors.lua
@@ -9,6 +9,9 @@ local random = math.random
 local ceil = math.ceil
 local floor = math.floor
 local rad = math.rad
+local cos = math.cos
+local sin = math.sin
+local vec_center = creatura.vec_center
 
 local function average(t)
 	local sum = 0
@@ -1620,4 +1623,4 @@ creatura.register_utility("animalia:mount", function(self, player)
 		end
 	end
 	self:set_utility(func)
-end)
\ No newline at end of file
+end)