exercise 48

rooms/Stage.lua

@@ -1,9 +1,14 @@
 ---@class Stage:Room
+---@field timer Timer
 local Stage = Room:extend()
 
 function Stage:new()
     Stage.super.new(self)
     self.timer = Timer()
+    self.timer:every(2, function()
+        local latest_object = self.area:addGameObject('Circle', love.math.random(1, 800), love.math.random(1, 600))
+        latest_object.timer:after(love.math.random(2, 4), function() latest_object:kill() end)
+    end)
 end
 
 function Stage:update(dt)
@@ -18,6 +23,8 @@ function Stage:update(dt)
             game_object:kill()
         end
     end
+
+    self.timer:update(dt)
 end
 
 function Stage:draw()