From a96780e04d22c916921be996a6b99487efc4e569 Mon Sep 17 00:00:00 2001
From: the lemons <citrons@mondecitronne.com>
Date: Sat, 27 Aug 2022 02:49:55 -0500
Subject: store the current camera as an attribute of the world

---
 Bolvis.lua | 1 +
 Camera.lua | 4 ++++
 main.lua   | 6 ++----
 world.lua  | 3 +--
 4 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/Bolvis.lua b/Bolvis.lua
index 8d53c44..cf6a7e8 100644
--- a/Bolvis.lua
+++ b/Bolvis.lua
@@ -20,6 +20,7 @@ local Hand = component(
 function Bolvis:init(inst)
 	inst.hand = self.obj.world:object(Hand {bolvis = self.obj})
 	inst.camera = self.obj.world:object(Camera {following = self.obj})
+	inst.camera[Camera]:use()
 	inst.blink = 10
 end
 
diff --git a/Camera.lua b/Camera.lua
index 3b3f1a3..5a9c87b 100644
--- a/Camera.lua
+++ b/Camera.lua
@@ -5,6 +5,10 @@ local Transform = require 'Transform'
 local Camera = component({Transform})
 
 function Camera:use()
+	self.obj.world.camera = self
+end
+
+function Camera:transform()
 	local trans = self.obj:get(Transform):love()
 	local cam_trans = love.math.newTransform(1920 / 2, 1080 / 2)
 	love.graphics.applyTransform(cam_trans * trans:inverse())
diff --git a/main.lua b/main.lua
index 872499b..98ad56f 100644
--- a/main.lua
+++ b/main.lua
@@ -17,9 +17,7 @@ function love.load()
 	love.mouse.setRelativeMode(true)
 	level = world()
 
-	local bolvis = level:object(Transform {pos = {960, 540}}, Bolvis())
-	camera = bolvis[Bolvis].i.camera[Camera]
-
+	level:object(Transform {pos = {960, 540}}, Bolvis())
 	level:object(Transform {pos = {400, 540}}, Sprite {name = 'utah-teapot'})
 	level:object(Transform {pos = {600, 540}}, Sprite {name = 'apioform'})
 	level:object(Transform {pos = {960, 300}}, Sprite {name = 'test'})
@@ -51,7 +49,7 @@ end
 
 function love.draw()
 	love.graphics.applyTransform(screen_transform())
-	camera:use()
+	level.camera:transform()
 	local to_draw = {}
 	for o in level:iterate(Drawable) do
 		table.insert(to_draw, o)
diff --git a/world.lua b/world.lua
index a219589..ec35d07 100644
--- a/world.lua
+++ b/world.lua
@@ -74,8 +74,7 @@ function obj_proto:require(ct, instance)
 end
 
 local world_proto = {}
-local world_mt =
-	{__index = world_proto, __newindex = function()assert(false)end}
+local world_mt = {__index = world_proto}
 
 local function world()
 	local w = setmetatable({objects = {}, components = {}}, world_mt)
-- 
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