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2048游戏的Python实现

概述：
2048是一款流行的单人益智游戏，玩家通过滑动数字瓷砖来合并相同的数字，目标是合成2048这个数字。本文将介绍如何使用Python和Pygame库实现2048游戏的基本功能，包括游戏逻辑、界面绘制和用户交互。

主要功能：

1. 游戏界面：游戏界面由一个4x4的网格组成，每个格子可以显示不同的数字。游戏开始时，随机生成两个瓷砖，分别为2或4。
2. 用户输入：玩家可以通过键盘的方向键（上、下、左、右）来控制瓷砖的移动和合并。
3. 瓷砖合并：当两个相同的数字瓷砖碰撞时，它们会合并成一个新的瓷砖，数字会加倍。
4. 胜利条件：当玩家成功合成2048时，游戏会显示胜利信息。
5. 游戏重置：玩家可以通过按空格键重置游戏，开始新一轮。

代码结构：

• 颜色设置：定义了不同数字对应的颜色，以便在界面上进行美观的显示。
• 绘制函数：包括draw_grid和draw_tile函数，用于绘制游戏网格和瓷砖。
• 移动逻辑：实现了瓷砖的移动和合并逻辑，包括move_left、move_right、move_up和move_down函数。
• 游戏循环：包含主菜单和游戏循环，处理用户输入并更新游戏状态。

运行环境：

• Python 3.x
• Pygame库（可通过pip install pygame安装）

总结：
这个2048游戏的Python实现是一个很好的练手项目，适合初学者学习游戏开发的基本概念。通过这个项目，开发者可以掌握如何处理用户输入、绘制图形界面以及实现简单的游戏逻辑。可以根据需要进一步扩展功能，例如添加分数记录、游戏结束提示、音效等。

import pygame
import random
import sys# 初始化pygame
pygame.init()# 设置屏幕大小
screen_width = 400
screen_height = 400
screen = pygame.display.set_mode((screen_width, screen_height))# 设置颜色
background_color = (187, 173, 160)
tile_colors = {0: (205, 193, 180),2: (238, 228, 218),4: (237, 224, 200),8: (242, 177, 121),16: (246, 149, 72),32: (245, 124, 36),64: (246, 94, 51),128: (237, 207, 114),256: (237, 204, 97),512: (237, 200, 80),1024: (237, 197, 63),2048: (237, 194, 46),
}# 设置字体
font = pygame.font.Font(None, 32)# 游戏变量
grid_size = 4
tiles = [[0] * grid_size for _ in range(grid_size)]def draw_grid():for x in range(1, grid_size):pygame.draw.line(screen, (105, 104, 104), (x * (screen_width // grid_size), 0), (x * (screen_width // grid_size), screen_height))for y in range(1, grid_size):pygame.draw.line(screen, (105, 104, 104), (0, y * (screen_height // grid_size)), (screen_width, y * (screen_height // grid_size)))def draw_tile(value, x, y):size = screen_width // grid_sizestart_x = x * sizestart_y = y * sizecolor = tile_colors.get(value, tile_colors[0])  # 使用get方法提供默认颜色pygame.draw.rect(screen, color, (start_x + 5, start_y + 5, size - 10, size - 10))if value:text_surface = font.render(str(value), True, (255, 255, 255))text_rect = text_surface.get_rect(center=(start_x + size // 2, start_y + size // 2))screen.blit(text_surface, text_rect)def draw_board():screen.fill(background_color)draw_grid()for x in range(grid_size):for y in range(grid_size):draw_tile(tiles[x][y], x, y)def add_new_tile():available_positions = [(x, y) for x in range(grid_size) for y in range(grid_size) if tiles[x][y] == 0]if available_positions:x, y = random.choice(available_positions)tiles[x][y] = random.choice([2, 4])def move_left():for y in range(grid_size):new_line = [tiles[x][y] for x in range(grid_size) if tiles[x][y] != 0]new_line = [value for value in new_line if value != 0]new_line += [0] * (grid_size - len(new_line))for x in range(grid_size - 1, 0, -1):if new_line[x] == new_line[x - 1]:new_line[x] = new_line[x] + new_line[x - 1]new_line[x - 1] = 0new_line = [value for value in new_line if value != 0]new_line += [0] * (grid_size - len(new_line))for x in range(grid_size):tiles[x][y] = new_line[x]def move_right():for y in range(grid_size):new_line = [tiles[x][y] for x in range(grid_size) if tiles[x][y] != 0]new_line = [value for value in new_line if value != 0]new_line += [0] * (grid_size - len(new_line))for x in range(0, grid_size - 1):if new_line[x] == new_line[x + 1]:new_line[x] = new_line[x] + new_line[x + 1]new_line[x + 1] = 0new_line = [value for value in new_line if value != 0]new_line += [0] * (grid_size - len(new_line))for x in range(grid_size):tiles[x][y] = new_line[x]def move_up():for x in range(grid_size):new_line = [tiles[x][y] for y in range(grid_size) if tiles[x][y] != 0]new_line = [value for value in new_line if value != 0]new_line += [0] * (grid_size - len(new_line))for y in range(grid_size - 1, 0, -1):if new_line[y] == new_line[y - 1]:new_line[y] = new_line[y] + new_line[y - 1]new_line[y - 1] = 0new_line = [value for value in new_line if value != 0]new_line += [0] * (grid_size - len(new_line))for y in range(grid_size):tiles[x][y] = new_line[y]def move_down():for x in range(grid_size):new_line = [tiles[x][y] for y in range(grid_size) if tiles[x][y] != 0]new_line = [value for value in new_line if value != 0]new_line += [0] * (grid_size - len(new_line))for y in range(0, grid_size - 1):if new_line[y] == new_line[y + 1]:new_line[y] = new_line[y] + new_line[y + 1]new_line[y + 1] = 0new_line = [value for value in new_line if value != 0]new_line += [0] * (grid_size - len(new_line))for y in range(grid_size):tiles[x][y] = new_line[y]def check_for_winner():for x in range(grid_size):for y in range(grid_size):if tiles[x][y] == 2048:return Truereturn Falsedef main_menu():running = Truewhile running:for event in pygame.event.get():if event.type == pygame.QUIT:running = Falseelif event.type == pygame.KEYDOWN:if event.key == pygame.K_SPACE:for i in range(grid_size):for j in range(grid_size):tiles[i][j] = 0add_new_tile()add_new_tile()elif event.key == pygame.K_ESCAPE:running = Falsescreen.fill((0, 0, 0))text_surface = font.render('Press SPACE to start', True, (255, 255, 255))text_rect = text_surface.get_rect(center=(screen_width // 2, screen_height // 2))screen.blit(text_surface, text_rect)pygame.display.flip()returndef game_loop():running = Truewhile running:for event in pygame.event.get():if event.type == pygame.QUIT:running = Falseelif event.type == pygame.KEYDOWN:if event.key == pygame.K_LEFT:move_left()add_new_tile()elif event.key == pygame.K_RIGHT:move_right()add_new_tile()elif event.key == pygame.K_UP:move_up()add_new_tile()elif event.key == pygame.K_DOWN:move_down()add_new_tile()elif event.key == pygame.K_ESCAPE:running = Falseif check_for_winner():running = Falsegame_message = "You win!"print(game_message)draw_board()pygame.display.flip()returnmain_menu()
game_loop()pygame.quit()
sys.exit()