用pygame实现

以下是使用Pygame实现的2048游戏的代码：

import pygame
import random

pygame.init()

# 定义颜色常量
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
GRAY = (128, 128, 128)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)

# 定义游戏参数常量
SCREEN_WIDTH = 450
SCREEN_HEIGHT = 550
CELL_SIZE = 100
CELL_PADDING = 10
GRID_SIZE = CELL_SIZE * 4 + CELL_PADDING * 5
FONT_SIZE = 64

# 定义游戏面板类
class Board:
    def __init__(self):
        self.grid = [[0 for _ in range(4)] for _ in range(4)]
        self.score = 0
        self.add_random_number()
        self.add_random_number()

    def add_random_number(self):
        empty_cells = [(i, j) for i in range(4) for j in range(4) if self.grid[i][j] == 0]
        if not empty_cells:
            return False
        i, j = random.choice(empty_cells)
        self.grid[i][j] = random.choice([2, 4])
        return True

    def move_left(self):
        moved = False
        for i in range(4):
            row = [x for x in self.grid[i] if x != 0]
            row += [0] * (4 - len(row))
            for j in range(3):
                if row[j] == row[j+1] and row[j] != 0:
                    row[j] *= 2
                    self.score += row[j]
                    row[j+1] = 0
            new_row = [x for x in row if x != 0]
            new_row += [0] * (4 - len(new_row))
            if self.grid[i] != new_row:
                self.grid[i] = new_row
                moved = True
        return moved

    def move_right(self):
        self.grid = [row[::-1] for row in self.grid]
        moved = self.move_left()
        self.grid = [row[::-1] for row in self.grid]
        return moved

    def move_up(self):
        self.grid = [list(row) for row in zip(*self.grid)]
        moved = self.move_left()
        self.grid = [list(row) for row in zip(*self.grid)]
        return moved

    def move_down(self):
        self.grid = [list(row[::-1]) for row in self.grid]
        moved = self.move_left()
        self.grid = [list(row[::-1]) for row in self.grid]
        return moved

    def is_game_over(self):
        if any(2048 in row for row in self.grid):
            return True
        if any(0 in row for row in self.grid):
            return False
        for i in range(4):
            for j in range(3):
                if self.grid[i][j] == self.grid[i][j+1]:
                    return False
                if self.grid[j][i] == self.grid[j+1][i]:
                    return False
        return True

    def draw(self, surface, font):
        for i in range(4):
            for j in range(4):
                cell_rect = pygame.Rect(j * (CELL_SIZE + CELL_PADDING), i * (CELL_SIZE + CELL_PADDING), CELL_SIZE, CELL_SIZE)
                pygame.draw.rect(surface, GRAY, cell_rect)
                if self.grid[i][j]:
                    color = WHITE if self.grid[i][j] < 8 else BLACK
                    text_surface = font.render(str(self.grid[i][j]), True, color)
                    text_rect = text_surface.get_rect()
                    text_rect.center = cell_rect.center
                    surface.blit(text_surface, text_rect)

        score_surface = font.render('Score: {}'.format(self.score), True, WHITE)
        score_rect = score_surface.get_rect()
        score_rect.topleft = (0, GRID_SIZE)
        surface.blit(score_surface, score_rect)

# 定义游戏主程序
def main():
    screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
    pygame.display.set_caption('2048')

    font = pygame.font.Font(None, FONT_SIZE)

    board = Board()

    while True:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                quit()
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    moved = board.move_left()
                elif event.key == pygame.K_RIGHT:
                    moved = board.move_right()
                elif event.key == pygame.K_UP:
                    moved = board.move_up()
                elif event.key == pygame.K_DOWN:
                    moved = board.move_down()

        screen.fill(BLACK)

        board.draw(screen, font)

        if board.is_game_over():
            game_over_surface = font.render('Game Over!', True, RED)
            game_over_rect = game_over_surface.get_rect()
            game_over_rect.center = (SCREEN_WIDTH // 2, SCREEN_HEIGHT // 2)
            screen.blit(game_over_surface, game_over_rect)

        pygame.display.flip()

        if moved:
            board.add_random_number()

if __name__ == '__main__':
    main()

这个代码使用了Pygame库来实现2048游戏的图形化界面，可以在窗口中进行游戏。