Przeniesienie zmiennych globalnych do osobnej klasy

Shelf.py

@@ -1,17 +1,15 @@
 import pygame
-RECT_SIZE = 50
-SHELF_COLOR = (143, 68, 33)
-
+from Global_variables import Global_variables as G_var
 
 class Shelf:
     def __init__(self, window, x, y):
         self.window = window
-        self.width = RECT_SIZE
-        self.length = 6*RECT_SIZE
+        self.width = G_var().RECT_SIZE
+        self.length = 6*G_var().RECT_SIZE
         self.x = x
         self.y = y
         self.block = pygame.Rect(self.x, self.y, self.width, self.length)
 
     def draw(self):
-        pygame.draw.rect(self.window, SHELF_COLOR, self.block)
+        pygame.draw.rect(self.window, G_var().SHELF_COLOR, self.block)
         # pygame.draw.line(self.window, (255, 255, 255), (self.x, self.y), (self.x, self.y + self.length))

Truck.py

@@ -1,9 +1,7 @@
-
 import pygame
 from Environment import Environment
 from Package import Package
-RECT_SIZE = 50
-
+from Global_variables import Global_variables as G_var
 
 class Truck:
     def __init__(self, window, ):
@@ -25,19 +23,19 @@ class Truck:
 
     # moving the truck
     def move_right(self):
-        self.x += RECT_SIZE
+        self.x += G_var().RECT_SIZE
         self.draw()
 
     def move_left(self):
-        self.x -= RECT_SIZE
+        self.x -= G_var().RECT_SIZE
         self.draw()
 
     def move_up(self):
-        self.y -= RECT_SIZE
+        self.y -= G_var().RECT_SIZE
         self.draw()
 
     def move_down(self):
-        self.y += RECT_SIZE
+        self.y += G_var().RECT_SIZE
         self.draw()
 
     # def collision_with_shelves(self,x,y):