integrated the mirroring part

crate.lua

@@ -6,7 +6,8 @@ local CONST_ITERATIONS_RESOLVE = 1
 local Crates = {
   world = nil,
   player = nil,
-  list = { }
+  list = { },
+  attached = { }
 }
 
 local Crate = { }
@@ -55,11 +56,16 @@ function Crates:update(dt)
         curContact = self.list[key].contact
         self.world:addJoint('revolute', self.player.collider, self.list[key].collider, curContact.x, curContact.y, true)
         self.list[key].resolver = nil
+        table.insert(self.attached, self.list[key])
       end
     end
   end
 end
 
+function Crates:getAttached()
+  return self.attached
+end
+
 return setmetatable(Crates, {
   __call = function(_, ...) return new(...) end
 })

main.lua

@@ -39,6 +39,8 @@ local side = {
 local velocity = {0, 0}
 local current = { }
 
+local tempAttached = nil
+
 function love.load()
   love.window.setMode(512, 512)
 
@@ -83,6 +85,25 @@ function love.update(dt)
   -- this is temp, ofc, it's ugly af
   if input:pressed('switch') then
     velocity = {0, 0}
+
+    -- first, let's take care of the attached crates
+    for key in pairs(crates:getAttached()) do
+      current.x, current.y = crates.attached[key].collider:getPosition()
+
+      if magnet.side == 'LEFT' then
+        current.x = current.x - CONST_SIDES.LEFT[1]
+
+        -- then, we need to mirror it onto the other side
+        current.x = CONST_SIDES.RIGHT[1] + CONST_SIDES.WIDTH - current.x
+      else
+        current.x = current.x - CONST_SIDES.RIGHT[1]
+
+        current.x = CONST_SIDES.LEFT[1] + CONST_SIDES.WIDTH - current.x
+      end
+
+      crates.attached[key].collider:setPosition(current.x, current.y)
+    end
+
     current.x, current.y = magnet.collider:getPosition()
 
     -- i want a relative x position, for easier use, so first