python pygame实现2048游戏

Python  /  管理员 发布于 7年前   207

实现2048相对来说比较简单，用4*4的二维数组保存地图，pygame.key.get_pressed()获取键盘操作，详见代码。

效果图

代码

# -*- coding: utf-8 -*-#!/usr/bin/python'''Created on May 31, 2014@author: yuanzi'''import randomimport sysimport pygamefrom pygame.locals import * PIXEL = 150SCORE_PIXEL = 100SIZE = 4 # 地图的类class Map:  def __init__(self, size):    self.size = size    self.score = 0    self.map = [[0 for i in range(size)] for i in range(size)]    self.add()    self.add()    # 新增2或4，有1/4概率产生4  def add(self):    while True:      p = random.randint(0, self.size * self.size - 1)      if self.map[p / self.size][p % self.size] == 0:        x = random.randint(0, 3) > 0 and 2 or 4        self.map[p / self.size][p % self.size] = x        self.score += x        break    # 地图向左靠拢，其他方向的靠拢可以通过适当旋转实现，返回地图是否更新  def adjust(self):    changed = False    for a in self.map:      b = []      last = 0      for v in a:        if v != 0:          if v == last:b.append(b.pop() << 1)last = 0          else:b.append(v)last = v      b += [0] * (self.size - len(b))      for i in range(self.size):        if a[i] != b[i]:          changed = True      a[ : ] = b    return changed    # 逆时针旋转地图90度  def rotate90(self):    self.map = [[self.map[c][r] for c in range(self.size)] for r in reversed(range(self.size))]    # 判断游戏结束  def over(self):    for r in range(self.size):      for c in range(self.size):        if self.map[r][c] == 0:          return False    for r in range(self.size):      for c in range(self.size - 1):        if self.map[r][c] == self.map[r][c + 1]:          return False    for r in range(self.size - 1):      for c in range(self.size):        if self.map[r][c] == self.map[r + 1][c]:          return False    return True    def moveUp(self):    self.rotate90()    if self.adjust():      self.add()    self.rotate90()    self.rotate90()    self.rotate90()    def moveRight(self):    self.rotate90()    self.rotate90()    if self.adjust():      self.add()    self.rotate90()    self.rotate90()    def moveDown(self):    self.rotate90()    self.rotate90()    self.rotate90()    if self.adjust():      self.add()    self.rotate90()    def moveLeft(self):    if self.adjust():      self.add() # 更新屏幕def show(map):  for i in range(SIZE):    for j in range(SIZE):      # 背景颜色块      screen.blit(map.map[i][j] == 0 and block[(i + j) % 2] or block[2 + (i + j) % 2], (PIXEL * j, PIXEL * i))      # 数值显示      if map.map[i][j] != 0:        map_text = map_font.render(str(map.map[i][j]), True, (106, 90, 205))        text_rect = map_text.get_rect()        text_rect.center = (PIXEL * j + PIXEL / 2, PIXEL * i + PIXEL / 2)        screen.blit(map_text, text_rect)  # 分数显示  screen.blit(score_block, (0, PIXEL * SIZE))  score_text = score_font.render((map.over() and "Game over with score " or "Score: ") + str(map.score), True, (106, 90, 205))  score_rect = score_text.get_rect()  score_rect.center = (PIXEL * SIZE / 2, PIXEL * SIZE + SCORE_PIXEL / 2)  screen.blit(score_text, score_rect)  pygame.display.update() map = Map(SIZE)pygame.init()screen = pygame.display.set_mode((PIXEL * SIZE, PIXEL * SIZE + SCORE_PIXEL))pygame.display.set_caption("2048")block = [pygame.Surface((PIXEL, PIXEL)) for i in range(4)]# 设置颜色block[0].fill((152, 251, 152))block[1].fill((240, 255, 255))block[2].fill((0, 255, 127))block[3].fill((225, 255, 255))score_block = pygame.Surface((PIXEL * SIZE, SCORE_PIXEL))score_block.fill((245, 245, 245))# 设置字体map_font = pygame.font.Font(None, PIXEL * 2 / 3)score_font = pygame.font.Font(None, SCORE_PIXEL * 2 / 3)clock = pygame.time.Clock()show(map) while not map.over():  # 12为实验参数  clock.tick(12)  for event in pygame.event.get():    if event.type == QUIT:      sys.exit()  # 接收玩家操作  pressed_keys = pygame.key.get_pressed()  if pressed_keys[K_w] or pressed_keys[K_UP]:    map.moveUp()  elif pressed_keys[K_s] or pressed_keys[K_DOWN]:    map.moveDown()  elif pressed_keys[K_a] or pressed_keys[K_LEFT]:    map.moveLeft()  elif pressed_keys[K_d] or pressed_keys[K_RIGHT]:    map.moveRight()  show(map) # 游戏结束pygame.time.delay(3000)

后续可以考虑实现动画和AI。

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