From fd697621217df8e8b023a15232223a3c0f9bdf06 Mon Sep 17 00:00:00 2001
From: yuki <yvki@riseup.net>
Date: Tue, 11 Nov 2025 03:22:25 -0300
Subject: [PATCH] instantiate collision engine in area

---
 obj/Area.lua    | 8 ++++++++
 rooms/Stage.lua | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/obj/Area.lua b/obj/Area.lua
index 8aadd3d..fb23b48 100644
--- a/obj/Area.lua
+++ b/obj/Area.lua
@@ -3,12 +3,14 @@
 ---@class Area:Object
 ---@field room Room
 ---@field game_objects GameObject[]
+---@field world table|nil
 local Area = Object:extend()
 
 ---Instantiates area
 function Area:new(room)
     self.room = room
     self.game_objects = {}
+    self.world = nil
 end
 
 ---Updates area
@@ -36,4 +38,10 @@ function Area:addGameObject(game_object_type, x, y, opts)
     return game_object
 end
 
+---Initializes HC physics as a world
+---@param cell_size number|nil
+function Area:addPhysicsWorld(cell_size)
+    self.world = HC(cell_size or 100)
+end
+
 return Area
diff --git a/rooms/Stage.lua b/rooms/Stage.lua
index f9f256c..5f325fd 100644
--- a/rooms/Stage.lua
+++ b/rooms/Stage.lua
@@ -3,7 +3,7 @@ local Stage = Room:extend()
 
 function Stage:new()
     Stage.super.new(self)
-
+    self.area:addPhysicsWorld()
     self.area:addGameObject('Player', gw/2, gh/2)
 end