enemy_list = []
enemy_laser_list = []
player_laser_list = []
firing = False

stage.set_background("scrollingspace")
stage.disable_floor()
stage.disable_ceiling()
player = codesters.Sprite("rocket", 0, -220)
player.set_size(0.25)

def fire_laser():
    global firing
    if firing is False:
        firing = True
        laser = codesters.Ellipse(player.get_x(), player.get_y() + 10, 3, 25, "red")
        laser.set_y_speed(10)
        stage.wait(1)
        firing = False

def right_key():
    player.move_right(20)
stage.event_key("right", right_key)

def left_key():
    player.move_left(20)
stage.event_key("left", left_key)

def up_key():
    fire_laser()
stage.event_key("up", up_key)

def main():
    pass

main()