import pygame from pygame.locals import * from Environment import Environment from Global_variables import Global_variables as G_var class Program: def __init__(self): pygame.init() self.window = pygame.display.set_mode( (G_var().WINDOW_X, G_var().WINDOW_Y)) # decides window's size self.environment = Environment(self.window) def run(self): running = True while running: for event in pygame.event.get(): # integrating with keyboard if event.type == QUIT: running = False self.environment.update_all_elements() self.environment.draw_all_elements()