From 078eca583eec21d317e931c84db8f084bef4305d Mon Sep 17 00:00:00 2001
From: Elizabeth Alexander Hunt <me@liz.coffee>
Date: Wed, 22 Apr 2026 15:58:41 -0700
Subject: Snapshot

---
 collisions.lua | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 collisions.lua

(limited to 'collisions.lua')

diff --git a/collisions.lua b/collisions.lua
new file mode 100644
index 0000000..fb7aca7
--- /dev/null
+++ b/collisions.lua
@@ -0,0 +1,30 @@
+sw, sh = 8, 8
+function is_colliding(a, b)
+  ax1, bx1 = a.pos.x, b.pos.x
+  ax2, bx2 = ax1 + sw, bx1 + sw
+  ay1, by1 = a.pos.y, b.pos.y
+  ay2, by2 = ay1 + sh, by1 + sh
+  return (ax1 < bx2 and ax2 > bx1
+        and ay1 < by2 and ay2 > by1)
+end
+
+function handle_collision(a, b)
+--   if b.typ == types.enemy then
+--     --print(b.id,100,100)
+--   end
+end
+
+function run_collisions()
+  collidable = filter(World, function (e) return e.collision end)
+  for _ai, a in ipairs(collidable) do
+    for _bi, b in ipairs(collidable) do
+      if a.id == b.id then
+        goto continue
+      end
+      if is_colliding(a, b) then
+        handle_collision(a, b)
+      end
+      ::continue::
+    end
+  end
+end
\ No newline at end of file
-- 
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