def run_game(): screen_height=400 screen_width=400 screen = pygame.display.set_mode((screen_height, screen_width),0,32) BG_COLOR = 255,255,255 clock=pygame.time.Clock() cell_image="cell.png" world = Grid(screen,40,40,cell_image) world.setCell(5,5,True) world.setCell(6,5,True) world.setCell(7,5,True) world.setCell(8,6,True) world.setCell(6,6,True) world.setCell(7,6,True) world.setCell(5,10,True) world.setCell(6,5,True) world.setCell(7,10,True) world.setCell(8,10,True) world.setCell(6,6,True) world.setCell(7,6,True) world.setCell(20,6,True) world.setCell(20,7,True) world.setCell(21,6,True) world.setCell(21,7,True) world.setCell(22,9,True) world.setCell(22,8,True) world.setCell(23,9,True) world.setCell(23,8,True) screen.fill(BG_COLOR) count =0 while True: # main game loop time_passed = clock.tick(3) for event in pygame.event.get(): if event.type == QUIT: pygame.quit() sys.exit() for i in range(world.getRows()): for j in range(world.getCols()): world.getCell(i,j).blitme() world.updateCells() pygame.display.update()