MCH2022 badge?
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Content PROBABILITY_4 = 0.1 # probability of a new tile being a 4 rather than a 2 INITIAL_TILES = 2 # number of tiles on the board on a new game DISPLAY_WIDTH = 296 DISPLAY_HEIGHT = 128 BOARD_LEFT = int(DISPLAY_WIDTH / 2) - 64 import ugfx import random import badge import time import appglue badge.init() # Apparently micropython's `random` library only gives us deterministic seeds natively. # LET'S BLAST IT WITH SOME ENTROPY, BABY. random.seed(badge.usb_volt_sense() << 10 ^ badge.battery_volt_sense()) ugfx.init() board = None def print_board(): ugfx.clear(ugfx.WHITE) for y, row in enumerate(board): for x, tile in enumerate(row): if tile is None: ugfx.rounded_box(BOARD_LEFT + x * 32 + 2, y * 32 + 1, 30, 30, 2, ugfx.BLACK) else: ugfx.fill_rounded_box(BOARD_LEFT + x * 32 + 2, y * 32 + 1, 30, 30, 2, ugfx.BLACK) num = str(tile) if len(num) < 3: font = 'PermanentMarker22' elif len(num) < 5: font = 'Roboto_Regular12' else: font = 'pixelade13' ugfx.string_box(BOARD_LEFT + x * 32 + 2, y * 32 + 1, 30, 30, num, font, ugfx.WHITE, ugfx.justifyCenter) if not (can_move_up() or can_move_down() or can_move_left() or can_move_right()): ugfx.fill_rounded_box(BOARD_LEFT, 48, 128, 32, 2, ugfx.WHITE) ugfx.string_box(BOARD_LEFT, 48, 128, 20, "Game Over!", 'PermanentMarker22', ugfx.BLACK, ugfx.justifyCenter) ugfx.string_box(BOARD_LEFT, 48, 128, 48, "'start' to play again", 'pixelade13', ugfx.BLACK, ugfx.justifyCenter) ugfx.flush() def add_tile(): while True: x = random.randint(0, 3) y = random.randint(0, 3) if board[y][x] is None: board[y][x] = 4 if random.random() < PROBABILITY_4 else 2 break def start_game(): global board board = [[None, None, None, None] for i in range(0, 4)] for i in range(0, INITIAL_TILES): add_tile() print_board() def can_move_up(): for x in range(0, 4): old_tiles = [board[y][x] for y in range(0, 4)] new_tiles = merge_tiles_left(old_tiles) if new_tiles != old_tiles: return True return False def can_move_down(): for x in range(0, 4): old_tiles = [board[y][x] for y in range(0, 4)] new_tiles = merge_tiles_right(old_tiles) if new_tiles != old_tiles: return True return False def can_move_left(): for y in range(0, 4): old_tiles = board[y] new_tiles = merge_tiles_left(old_tiles) if new_tiles != old_tiles: return True return False def can_move_right(): for y in range(0, 4): old_tiles = board[y] new_tiles = merge_tiles_right(old_tiles) if new_tiles != old_tiles: return True return False def merge_tiles_left(old_tiles): new_tiles = [] last_tile = None for tile in old_tiles: if tile is None: continue if tile == last_tile: new_tiles[-1] = tile * 2 last_tile = None else: new_tiles.append(tile) last_tile = tile return (new_tiles + [None, None, None, None])[:4] def merge_tiles_right(old_tiles): return merge_tiles_left(old_tiles[::-1])[::-1] def move_up(pressed): if pressed and can_move_up(): for x in range(0, 4): new_tiles = merge_tiles_left([board[y][x] for y in range(0, 4)]) for y in range(0, 4): board[y][x] = new_tiles[y] add_tile() print_board() def move_down(pressed): if pressed and can_move_down(): for x in range(0, 4): new_tiles = merge_tiles_right([board[y][x] for y in range(0, 4)]) for y in range(0, 4): board[y][x] = new_tiles[y] add_tile() print_board() def move_left(pressed): if pressed and can_move_left(): for y in range(0, 4): new_tiles = merge_tiles_left(board[y]) for x in range(0, 4): board[y][x] = new_tiles[x] add_tile() print_board() def move_right(pressed): if pressed and can_move_right(): for y in range(0, 4): new_tiles = merge_tiles_right(board[y]) for x in range(0, 4): board[y][x] = new_tiles[x] add_tile() print_board() def restart(pressed): if pressed: start_game() def quit(pressed): if pressed: appglue.home() ugfx.input_init() ugfx.input_attach(ugfx.JOY_UP, move_up) ugfx.input_attach(ugfx.JOY_LEFT, move_left) ugfx.input_attach(ugfx.JOY_DOWN, move_down) ugfx.input_attach(ugfx.JOY_RIGHT, move_right) ugfx.input_attach(ugfx.BTN_START, restart) ugfx.input_attach(ugfx.BTN_SELECT, quit) start_game() while True: time.sleep(1)