bird_y = 200
bird_y_speed = 0

playing_area_width = 300
playing_area_height = 388

def update(dt):
    global bird_y
    global bird_y_speed

    bird_y_speed += 516 * dt
    bird_y += bird_y_speed * dt

def on_key_down():
    global bird_y_speed

    if bird_y > 0:
        bird_y_speed = -165

def draw():
    screen.fill((0, 0, 0))

    screen.draw.filled_rect(
        Rect(
            (0, 0),
            (playing_area_width, playing_area_height)
        ),
        color=(35, 92, 118)
    )

    screen.draw.filled_rect(
        Rect(
            (62, bird_y),
            (30, 25)
        ),
        color=(224, 214, 68)
    )

    pipe_width = 54
    pipe_space_height = 100
    pipe_space_y = 150

    screen.draw.filled_rect(
        Rect(
            (playing_area_width, 0),
            (pipe_width, pipe_space_y)
        ),
        color=(94, 201, 72)
    )

    screen.draw.filled_rect(
        Rect(
            (playing_area_width, pipe_space_y + pipe_space_height),
            (pipe_width, playing_area_height - pipe_space_y - pipe_space_height)
        ),
        color=(94, 201, 72)
    )