From 85df2fb24383f38aca95cd6ef3c6cdc6e654a9b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lera=20Elvo=C3=A9?= <yagich@poto.cafe>
Date: Mon, 3 Mar 2025 13:41:38 +0300
Subject: [PATCH] add ipairs and numeric indexing support to vector3

---
 data/scripts/types/vector3.lua | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/data/scripts/types/vector3.lua b/data/scripts/types/vector3.lua
index f203501..d6ae546 100644
--- a/data/scripts/types/vector3.lua
+++ b/data/scripts/types/vector3.lua
@@ -169,8 +169,25 @@ function Vector3:__le(b)
   return self.x <= other.x and self.y <= other.y and self.z <= other.z
 end
 
-Vector3.__index = Vector3
+local NUMK = {"x", "y", "z"}
 
+function Vector3:__index(key)
+  -- this allows constructs like `for i, v in ipairs(Vector3(3, 2, 1))` to iterate over components
+  if type(key) == "number" then
+    return rawget(self, NUMK[key])
+  end
+
+  return rawget(Vector3, key)
+end
+
+function Vector3:__newindex(key, value)
+  if NUMK[key] then
+    rawset(self, NUMK[key], value)
+    return
+  end
+
+  rawset(self, key, value)
+end
 --------API--------
 
 function Vector3:length_squared()