neo_pong.py

# Play a game of squeeky pong with a 1m (30 led) NeoPixel strip. :-)
from microbit import *
import music
import neopixel


np = neopixel.NeoPixel(pin1, 30)


def show_pixel(position, wait):
    np[position] = (0, 0, 64)
    np.show()
    music.pitch(440 + position * 16, wait)
    np[position] = (0, 0, 0)


def run():
    pos = 0
    score = 0
    pixels = [x for x in range(30)]
    pause = 100

    while True:
        if button_a.is_pressed():
            for pos in pixels:
                show_pixel(pos, pause)
                pos += 1
            for pos in pixels[::-1]:
                show_pixel(pos, pause)
                pos -= 1
            score += 1
            pause -= 5
            display.show("{}".format(score))
        else:
            display.scroll("Score: {}".format(score))
            break

while True:
    if button_a.is_pressed():
        run()