win_lose = WIN_LOSE()
aliens_first_row = Aliens.create_aliens(-250, 240, 15, 36)
aliens_second_row = Aliens.create_aliens(-220, 200, 14, 33)
aliens_third_row = Aliens.create_aliens(-250, 160, 15, 36)
aliens_fourth_row = Aliens.create_aliens(-220, 120, 14, 33)
screen.listen()
screen.onkey(player.right, "Right")
screen.onkey(player.left, "Left")
game_is_on = True
while game_is_on:
screen.update()
Aliens.move_cars()
missile.move_missile()
if missile.ycor() > 240:
missile.shoot_again_man(player.xcor(), player.ycor())
for c in range(len(aliens.all_cars)):
if missile.distance(aliens.all_cars[c]) < 13:
Aliens.destroy_bricks(aliens.all_cars[c])
Aliens.clear_screen(aliens.all_cars[c])
missile.destroy_missile()
missile.clear_screen()
if player.distance(aliens.all_cars[c]) < 20:
win_lose.lose()
game_is_on = False
