python 屏幕代码雨效果（已验证）

import pygame

import random

def main():

    # 初始化pygame

    pygame.init()

    # 默认不全屏

    fullscreen = False

    # 窗口未全屏宽和高

    WIDTH, HEIGHT = 1100, 600

    init_width, init_height = WIDTH, HEIGHT

    # 字块大小，宽，高

    suface_height = 18

    # 字体大小

    font_size = 20

    # 创建一个窗口

    screen = pygame.display.set_mode((init_width, init_height))

    # 字体

    font = pygame.font.Font('msyh.ttf', font_size)

    # 创建一个图像对象

    bg_suface = pygame.Surface((init_width, init_height), flags=pygame.SRCALPHA)

    pygame.Surface.convert(bg_suface)

    bg_suface.fill(pygame.Color(0, 0, 0, 28))

     # 用纯色填充背景

    screen.fill((0, 0, 0))

    # 显示的字符

    letter = ['q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'z', 'x',

              'c',

              'v', 'b', 'n', 'm']

    texts = [

        font.render(str(letter[i]), True, (0, 255, 0)) for i in range(26)

    ]

     # 也可以替换成0 1 显示

    # texts = [

    #     font.render('0',True,(0,255,0)),font.render('1',True,(0,255,0))

    # ]

     # 生成的列数

    column = int(init_width / suface_height)

    drops = [0 for i in range(column)]

     while True:

        # 按键检测

        for event in pygame.event.get():

            if event.type == pygame.QUIT:

                # 接受到退出事件后退出

                exit()

            elif event.type == pygame.KEYDOWN:

                # 按F11切换全屏，或窗口

                if event.key == pygame.K_F11:

                    print("检测到按键F11")

                    fullscreen = not fullscreen

                    if fullscreen:

                        # 全屏效果，参数重设

                        size = init_width, init_height = pygame.display.list_modes()[0]

                        screen = pygame.display.set_mode(size, pygame.FULLSCREEN | pygame.HWSURFACE)

                    else:

                        init_width, init_height = WIDTH, HEIGHT

                        screen = pygame.display.set_mode((WIDTH, HEIGHT))

                    # 图像对象重新创建

                    bg_suface =外汇跟单gendan5.com pygame.Surface((init_width, init_height), flags=pygame.SRCALPHA)

                    pygame.Surface.convert(bg_suface)

                    bg_suface.fill(pygame.Color(0, 0, 0, 28))

                    column = int(init_width / suface_height)

                    drops = [0 for i in range(column)]

                elif event.key == pygame.K_ESCAPE:

                    # 按ESC退出

                    exit()

        # 延时

        pygame.time.delay(30)

         # 图像对象放到窗口的原点坐标上

        screen.blit(bg_suface, (0, 0))

        for i in range(len(drops)):

            # 随机字符

            text = random.choice(texts)

            # 把字符画到该列的下雨的位置

            screen.blit(text, (i * suface_height, drops[i] * suface_height))

             # 更新下雨的坐标

            drops[i] += 1

             # 超过界面高度或随机数，下雨位置置0

            if drops[i] * suface_height > init_height or random.random() > 0.95:

                drops[i] = 0

         # 更新画面

        pygame.display.flip()

if __name__ == '__main__':

    main()