【原】代码雨

import random
import pygame
import sys
# 初始化参数设计
win_width=1000
win_height=800
font_px=15
# 创建窗口及文本设计
pygame.init()
winsur=pygame.display.set_mode((win_width,win_height))
font=pygame.font.SysFont('',23)
bg_surface=pygame.Surface((win_width,win_height),flags=pygame.SRCALPHA)
pygame.Surface.convert(bg_surface)
bg_surface.fill(pygame.Color(0,0,0,28))
winsur.fill((0,0,0))
# 文本内容
letter='1234567890!@#$%^&*qwertyuiopasdfghjklzxcvbnm'
texts=[font.render(letter[i],True,(0,255,0)) for i in range(44)]
# 显示设计
column=int(win_width/font_px)
drops=[0 for i in range(column)]
while True:
    for event in pygame.event.get():
        if event.type==pygame.QUIT:
            sys.exit()
        elif event.type==pygame.KEYDOWN:
            change=pygame.key.get_pressed()
            if change[32]:
                sys.exit()
    # 延时30秒
    pygame.time.delay(30)

    winsur.blit(bg_surface,(0,0))
    for i in range(len(drops)):
        text=random.choice(texts)
        winsur.blit(text,(i*font_px,drops[i]*font_px))
        drops[i]+=1
        if drops[i]*10>win_height or random.random()>0.95:
            drops[i]=0
    pygame.display.flip()