python实现俄罗斯方块游戏

好的，下面是一个简单的 Python 实现俄罗斯方块游戏的示例代码：

import pygame
import random

pygame.init()

# 设置游戏界面大小、背景颜色和标题
screen_width = 480
screen_height = 640
background_color = (230, 230, 230)
caption = 'Tetris'

# 定义方块的种类和每种方块的形状
shapes = [
    [[[1, 1, 1], [0, 1, 0]], [[0, 1, 0], [1, 1, 0], [0, 1, 0]], [[0, 1, 0], [1, 1, 1]], [[0, 1, 0], [0, 1, 1], [0, 1, 0]]], # I
    [[[2, 2], [2, 2]]], # O
    [[[0, 3, 0], [3, 3, 3]], [[0, 3, 0], [0, 3, 3], [0, 3, 0]], [[0, 0, 0], [3, 3, 3], [0, 3, 0]], [[0, 3, 0], [3, 3, 0], [0, 3, 0]]], # T
    [[[4, 4, 0], [0, 4, 4]], [[0, 4, 0], [4, 4, 4], [0, 0, 0]]], # S
    [[[0, 5, 5], [5, 5, 0]], [[5, 0, 0], [5, 5, 0], [0, 5, 0]]], # Z
    [[[6, 0, 0], [6, 6, 6]], [[0, 6, 6], [0, 6, 0], [0, 6, 0]], [[0, 0, 0], [6, 6, 6], [0, 0, 6]], [[0, 6, 0], [0, 6, 0], [6, 6, 0]]], # L
    [[[0, 0, 7], [7, 7, 7]], [[0, 7, 0], [0, 7, 0], [0, 7, 7]], [[0, 0, 0], [7, 7, 7], [7, 0, 0]], [[7, 7, 0], [0, 7, 0], [0, 7, 0]]] # J
]

# 定义方块的颜色
colors = [(255, 255, 255), (255, 255, 0), (128, 0, 128), (0, 255, 255), (255, 0, 0), (0, 255, 0), (0, 0, 255), (255, 165, 0)]

# 初始化游戏界面和字体
screen = pygame.display.set_mode((screen_width, screen_height))
pygame.display.set_caption(caption)
font = pygame.font.SysFont('SimHei', 24)

# 定义游戏区域的大小和每个格子的大小
block_size = 20
play_width = 10 * block_size
play_height = 20 * block_size
play_x = (screen_width - play_width) // 2
play_y = screen_height - play_height - 50

# 定义游戏区域
play_surface = pygame.Surface((play_width, play_height))

# 定义方块的初始位置和下落速度
block_x = 0
block_y = 0
block_type = random.randint(0, len(shapes) - 1)
block_rotation = 0
block_speed = 10

# 定义游戏区域的矩阵
play_matrix = [[0 for y in range(0, play_height // block_size)] for x in range(0, play_width // block_size)]

# 定义游戏区域中已有的方块
blocks = []

# 定义游戏是否结束和分数
game_over = False
score = 0

# 定义函数：判断方块是否在游戏区域中
def is_valid_position(x, y, type, rotation):
    shape = shapes[type][rotation]
    for i in range(0, len(shape)):
        for j in range(0, len(shape[i])):
            if shape[i][j] != 0 and (x + j < 0 or x + j >= play_width // block_size or y + i >= play_height // block_size or play_matrix[x + j][y + i] != 0):
                return False
    return True

# 定义函数：将方块放入游戏区域中
def place_block():
    global block_x, block_y, block_type, block_rotation, blocks, score
    shape = shapes[block_type][block_rotation]
    for i in range(0, len(shape)):
        for j in range(0, len(shape[i])):
            if shape[i][j] != 0:
                play_matrix[block_x + j][block_y + i] = block_type + 1
                blocks.append((block_x + j, block_y + i, block_type + 1))
    # 消除满行的方块
    full_rows = []
    for i in range(0, play_height // block_size):
        if all(play_matrix[j][i] != 0 for j in range(0, play_width // block_size)):
            full_rows.append(i)
    for row in full_rows:
        for i in range(0, play_width // block_size):
            for j in range(row, 0, -1):
                play_matrix[i][j] = play_matrix[i][j - 1]
        score += 10 * len(full_rows)

# 定义函数：绘制游戏区域中的方块
def draw_blocks():
    for block in blocks:
        pygame.draw.rect(play_surface, colors[block[2] - 1], (block[0] * block_size, block[1] * block_size, block_size, block_size))

# 定义函数：绘制游戏界面
def draw():
    # 绘制游戏区域
    play_surface.fill(background_color)
    for i in range(0, play_width // block_size):
        for j in range(0, play_height // block_size):
            if play_matrix[i][j] != 0:
                pygame.draw.rect(play_surface, colors[play_matrix[i][j] - 1], (i * block_size, j * block_size, block_size, block_size))
    # 绘制当前方块
    shape = shapes[block_type][block_rotation]
    for i in range(0, len(shape)):
        for j in range(0, len(shape[i])):
            if shape[i][j] != 0:
                pygame.draw.rect(play_surface, colors[block_type], ((block_x + j) * block_size, (block_y + i) * block_size, block_size, block_size))
    # 绘制游戏区域和当前方块
    screen.blit(play_surface, (play_x, play_y))
    # 绘制分数
    score_text = font.render('Score: ' + str(score), True, (0, 0, 0))
    screen.blit(score_text, ((screen_width - score_text.get_width()) // 2, screen_height - 40))
    # 更新屏幕显示
    pygame.display.update()

# 定义主函数
def main():
    global block_x, block_y, block_type, block_rotation, block_speed, game_over
    clock = pygame.time.Clock()
    while not game_over:
        # 处理事件
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                game_over = True
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT and is_valid_position(block_x - 1, block_y, block_type, block_rotation):
                    block_x -= 1
                elif event.key == pygame.K_RIGHT and is_valid_position(block_x + 1, block_y, block_type, block_rotation):
                    block_x += 1
                elif event.key == pygame.K_UP:
                    new_rotation = (block_rotation + 1) % len(shapes[block_type])
                    if is_valid_position(block_x, block_y, block_type, new_rotation):
                        block_rotation = new_rotation
                elif event.key == pygame.K_DOWN:
                    block_speed = 50
        # 更新方块的位置
        if is_valid_position(block_x, block_y + 1, block_type, block_rotation):
            block_y += 1
        else:
            place_block()
            block_x = 0
            block_y = 0
            block_type = random.randint(0, len(shapes) - 1)
            block_rotation = 0
            block_speed = 10
        # 绘制游戏界面
        draw()
        # 控制方块下落的速度
        clock.tick(block_speed)

    pygame.quit()

if __name__ == '__main__':
    main()

注意：该示例代码可能存在一些不足之处，仅供参考。