pong.py

import microbit as mb
import radio

PHASE_SELECT_PLAYER = 1
PHASE_PLAYING_GAME = 2

current_phase = PHASE_SELECT_PLAYER

this_player = 0
radio.config(channel=68, data_rate=radio.RATE_2MBIT)
radio.on()


remote_values = {}


position = 0
ball_x = 2
ball_y = 2
ball_vel_x = 1
ball_vel_y = 1


def update_remotes():
    remote = radio.receive()
    if remote == None:
        return
    key, value = eval(remote)
    remote_values[key] = value


def send_remote(key, value):
    radio.send(repr((key, value)))


loop_counter = 0

while True:
    loop_counter += 1
    loop_counter %= 25
    update_remotes()
    if current_phase == PHASE_SELECT_PLAYER:
        if mb.button_a.was_pressed():
            this_player = 0
            mb.display.scroll("A")
            print("I'm player A")
            current_phase = PHASE_PLAYING_GAME
        if mb.button_b.was_pressed():
            this_player = 1
            mb.display.scroll("B")
            print("I'm player B")
            current_phase = PHASE_PLAYING_GAME
    elif current_phase == PHASE_PLAYING_GAME:
        mb.display.clear()

        if this_player == 0:
            send_remote("ball_pos", (ball_x, ball_y))

            other_position = (
                remote_values["position"] if "position" in remote_values else 0
            )

            if ball_x <= 4:
                mb.display.set_pixel(ball_y, ball_x, 9)

            if loop_counter == 0:
                print("x:", ball_x)
                print("y:", ball_y)
                print("xv:", ball_vel_x)
                print("yv:", ball_vel_y)

                ball_x += ball_vel_x
                if ball_y < 1 and (ball_x == position or ball_x == (position + 1)):
                    if ball_x <= 1:
                        ball_x = 2 - ball_x
                        ball_vel_x = -ball_vel_x
                else:
                    if ball_x <= 0:
                        ball_x = 0 - ball_x
                        ball_vel_x = -ball_vel_x
                if ball_x > 8 and (
                    ball_x == other_position or ball_x == (other_position + 1)
                ):
                    if ball_x >= 8:
                        ball_x = 16 - ball_x
                        ball_vel_x = -ball_vel_x
                else:
                    if ball_x >= 9:
                        ball_x = 18 - ball_x
                        ball_vel_x = -ball_vel_x

                ball_y += ball_vel_y
                if ball_y <= 0:
                    ball_y = 0 - ball_y
                    ball_vel_y = -ball_vel_y
                if ball_y >= 4:
                    ball_y = 8 - ball_y
                    ball_vel_y = -ball_vel_y

                # if ball_x < 1:
                #     raise SyntaxError("a ded")
                # if ball_x > 8:
                #     raise SyntaxError("b ded")
        else:
            ball_x, ball_y = (
                remote_values["ball_pos"] if "ball_pos" in remote_values else (0, 0)
            )

            if ball_x > 4:
                print("x:", 4 - ball_y)
                print("y:", ball_x, 9 - ball_x)
                mb.display.set_pixel(4 - ball_y, 9 - ball_x, 9)

            # if ball_x < 1:
            #     raise SyntaxError("a ded")
            # if ball_x > 8:
            #     raise SyntaxError("b ded")

            send_remote("position", position)

        if mb.button_a.was_pressed():
            position -= 1
            position = max(0, position)

        if mb.button_b.was_pressed():
            position += 1
            position = min(3, position)

        mb.display.set_pixel(position, 0, 9)
        mb.display.set_pixel(position + 1, 0, 9)