make circle room debug friendly

rooms/CircleRoom.lua

@@ -35,11 +35,18 @@ function CircleRoom:update(dt)
         end
     end
 
+    if input:pressed('up') then
+        -- debug breakpoint
+        print('break')
+    end
+
     self.timer:update(dt)
 end
 
 function CircleRoom:canvasDraw()
     CircleRoom.super.canvasDraw(self)
+    love.graphics.setColor(1, 1, 1)
+    love.graphics.print('objects: '..#self.area.game_objects,2,2)
 end
 
 return CircleRoom