From eb9466c8d3d18d65eb4bab2f6770f55cba9d8de3 Mon Sep 17 00:00:00 2001
From: Elizabeth Alexander Hunt <me@liz.coffee>
Date: Sat, 9 May 2026 18:38:21 -0700
Subject: Adding a simple grid-based camera

---
 util.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'util.lua')

diff --git a/util.lua b/util.lua
index 5d31a2a..5fd41d3 100644
--- a/util.lua
+++ b/util.lua
@@ -1,5 +1,9 @@
 update_hooks = {}
 
+function AddUpdateHook(f)
+    update_hooks[#update_hooks + 1] = f
+end
+
 -- https://pico-8.fandom.com/wiki/Qsort
 function qsort(a, c, l, r)
     c, l, r = c or function(a, b) return a < b end, l or 1, r or #a
@@ -99,7 +103,7 @@ function _update_button_states(_dt)
         end
     end
 end
-update_hooks[1] = _update_button_states
+AddUpdateHook(_update_button_states)
 function button_just_pressed(id)
     return _button_states[id] == "just_pressed"
 end
\ No newline at end of file
-- 
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