From b7aca18f4c80426f528bc650e1f6bd01437c8a89 Mon Sep 17 00:00:00 2001
From: the lemons <citrons@mondecitronne.com>
Date: Mon, 26 Dec 2022 02:43:02 -0600
Subject: improve collision code

---
 util.lua | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'util.lua')

diff --git a/util.lua b/util.lua
index a639ca2..24b4214 100644
--- a/util.lua
+++ b/util.lua
@@ -27,4 +27,8 @@ function M.deepcopy(t)
 	return dc(t)
 end
 
+function M.rot(a, x, y)
+	return x*math.cos(a) - y*math.sin(a), x*math.sin(a) + y*math.cos(a)
+end
+
 return M
-- 
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