答案:2048游戏核心是4×4网格合并数字,通过初始化、移动合并、随机生成数字和判断胜负实现。使用NumPy处理数组,命令行交互控制方向,每次移动后添加新数字,无法移动时结束游戏。

2048 是一个经典的滑动数字合并游戏,用 Python 实现它并不复杂。我们可以使用 NumPy 处理二维数组逻辑,用 pygame 或 命令行 显示界面。下面是一个基于命令行的简化版本,帮助你理解核心机制。
2048 的核心是 4×4 网格,玩家通过上下左右滑动,使相同数字合并,目标是合成 2048。
使用 NumPy 创建 4×4 数组,初始化为 0,表示空格。
import numpy as np import random <p>def init_board(): board = np.zeros((4, 4), dtype=int) add_random_tile(board) add_random_tile(board) return board</p><p>def add_random_tile(board): empty_cells = [(r, c) for r in range(4) for c in range(4) if board[r][c] == 0] if empty_cells: r, c = random.choice(empty_cells) board[r][c] = 2 if random.random() < 0.9 else 4</p>
关键函数:将一行向左合并。其他方向可通过翻转或转置复用此逻辑。
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def merge_row_left(row):
new_row = [i for i in row if i != 0]
for i in range(len(new_row) - 1):
if new_row[i] == new_row[i+1]:
new_row[i] *= 2
new_row[i+1] = 0
new_row = [i for i in new_row if i != 0]
return new_row + [0] * (4 - len(new_row))
<p>def move_left(board):
moved = False
for r in range(4):
old_row = board[r].copy()
board[r] = merge_row_left(board[r])
if not moved and not np.array_equal(old_row, board[r]):
moved = True
return moved</p>其他方向:
def move_right(board):
board_copy = board.copy()
board[:] = np.fliplr(board)
moved = move_left(board)
board[:] = np.fliplr(board)
return moved
<p>def move_up(board):
board_copy = board.copy()
board[:] = board.T
moved = move_left(board)
board[:] = board.T
return moved</p><p>def move_down(board):
board_copy = board.copy()
board[:] = np.fliplr(board.T)
moved = move_left(board)
board[:] = np.flipud(board).T
return moved</p>打印棋盘、接收输入、判断胜负。
def print_board(board):
print("\n" + "-" * 20)
for row in board:
print(" ".join(f"{cell:4}" if cell != 0 else " " for cell in row))
print("-" * 20)
<p>def is_game_over(board):
if any(0 in row for row in board):
return False
for r in range(4):
for c in range(4):
if (r < 3 and board[r][c] == board[r+1][c]) or (c < 3 and board[r][c] == board[r][c+1]):
return False
return True</p><p>def main():
board = init_board()
while True:
print_board(board)
cmd = input("输入方向 (w/a/s/d) 或 q 退出: ").strip().lower()
if cmd == 'q':
print("退出游戏")
break
moved = False
if cmd == 'w':
moved = move_up(board)
elif cmd == 's':
moved = move_down(board)
elif cmd == 'a':
moved = move_left(board)
elif cmd == 'd':
moved = move_right(board)
else:
print("无效输入,使用 w/a/s/d")
continue</p><pre class='brush:python;toolbar:false;'> if moved:
add_random_tile(board)
if is_game_over(board):
print_board(board)
print("游戏结束!")
break
else:
print("无法移动,请尝试其他方向")if name == "main": main()
基本上就这些。你可以在此基础上添加图形界面(如 pygame)、计分、撤销功能等。关键是理解数组操作和移动合并的逻辑处理。
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