写一个俄罗斯方块的python代码

好的，以下是一个简单的俄罗斯方块的 Python 代码示例：

import random
import pygame

# 定义方块形状及其对应的颜色
shapes = [
    [[1, 1, 1],
     [0, 1, 0]],

    [[0, 2, 2],
     [2, 2, 0]],

    [[3, 3, 0],
     [0, 3, 3]],

    [[4, 0, 0],
     [4, 4, 4]],

    [[0, 0, 5],
     [5, 5, 5]],

    [[6, 6],
     [6, 6]],

    [[7, 7, 7, 7]]
]
colors = [
    (0, 0, 0),
    (255, 0, 0), 
    (0, 255, 0), 
    (0, 0, 255), 
    (255, 255, 0), 
    (0, 255, 255), 
    (255, 0, 255), 
    (255, 125, 125)
]

class Piece:
    def __init__(self, shape):
        self.shape = shape
        self.color = colors[shapes.index(shape)]
        self.x = 4
        self.y = 0

    def move(self, dx, dy):
        self.x += dx
        self.y += dy

    def rotate(self):
        self.shape = [[self.shape[y][x] for y in range(len(self.shape))] for x in range(len(self.shape[0])-1, -1, -1)]

    def get_cords(self):
        cords = []
        for y in range(len(self.shape)):
            for x in range(len(self.shape[0])):
                if self.shape[y][x] != 0:
                    cords.append((self.x + x, self.y + y))
        return cords

class Board:
    def __init__(self, width, height):
        self.width = width
        self.height = height
        self.grid = [[0 for x in range(width)] for y in range(height)]
        self.score = 0

    def add_piece(self, piece):
        for x, y in piece.get_cords():
            self.grid[y][x] = piece.color

    def is_valid_position(self, piece):
        for x, y in piece.get_cords():
            if x < 0 or x >= self.width or y < 0 or y >= self.height or self.grid[y][x] != 0:
                return False
        return True

    def remove_complete_lines(self):
        lines_removed = 0
        y = self.height - 1
        while y >= 0:
            if 0 not in self.grid[y]:
                del self.grid[y]
                self.grid.insert(0, [0 for x in range(self.width)])
                self.score += 10
                lines_removed += 1
            else:
                y -= 1
        return lines_removed

    def is_game_over(self):
        return any(self.grid[0])

    def draw(self, screen):
        for y in range(self.height):
            for x in range(self.width):
                pygame.draw.rect(screen, colors[self.grid[y][x]], (x*30, y*30, 30, 30), 0)

        for y in range(self.height+1):
            pygame.draw.line(screen, (128,128,128), (0, y*30), (self.width*30, y*30))

        for x in range(self.width+1):
            pygame.draw.line(screen, (128,128,128), (x, 0), (x, self.height*30))

        text = pygame.font.Font(None, 36).render("Score: " + str(self.score), True, (255,255,255))
        screen.blit(text, (10, self.height*30+10))

def run_game():
    pygame.init()

    width, height = 10, 20
    screen = pygame.display.set_mode((width*30, (height+1)*30))
    pygame.display.set_caption("俄罗斯方块")

    board = Board(width, height)
    current_piece = Piece(random.choice(shapes))

    clock = pygame.time.Clock()
    fall_time = 0
    fall_speed = 0.5

    while True:
        fall_time += clock.tick() / 1000.0

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                exit()

            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT and board.is_valid_position(current_piece.move(-1, 0)):
                    current_piece.move(-1, 0)
                elif event.key == pygame.K_RIGHT and board.is_valid_position(current_piece.move(1, 0)):
                    current_piece.move(1, 0)
                elif event.key == pygame.K_DOWN and board.is_valid_position(current_piece.move(0, 1)):
                    current_piece.move(0, 1)
                elif event.key == pygame.K_UP:
                    current_piece.rotate()

        if fall_time >= fall_speed:
            current_piece.move(0,1)
            fall_time = 0

        if not board.is_valid_position(current_piece):
            current_piece.move(0,-1)
            board.add_piece(current_piece)
            lines_removed = board.remove_complete_lines()
            if lines_removed:
                fall_speed = max(0.5 - (board.score // 10) * 0.1, 0.1)
            current_piece = Piece(random.choice(shapes))
            if not board.is_valid_position(current_piece):
                board.draw(screen)
                pygame.display.update()
                pygame.time.delay(500)
                print("游戏结束，您的得分是: ", board.score)
                return

        screen.fill((0,0,0))
        board.draw(screen)
        current_piece.draw(screen)
        pygame.display.update()

if __name__ == '__main__':
    run_game()

请注意，这是一个简单的示例代码，可能还需要一些完善与调整才能适应实际需求。感谢您的提问！