[转载]黑客帝国动态字幕雨效果_字幕雨动态

import random, pygame, os

pos_X = 300                # 窗口起点坐标X
pos_Y = 300                # 窗口起点坐标Y
win_width = 900        # 窗口宽度1536
win_height = 600     # 窗口高度1350

font_name = 'platech.ttf'     # 字体名称
font_size = 24            # 字母字体大小

FONT_PX = 15        

pygame.init()         # 初始化

# 创建一个窗口
os.environ['SDL_VIDEO_WINDOW_POS'] = "%d, %d" % (pos_X, pos_Y)         # 窗口起点
winSur = pygame.display.set_mode((win_width, win_height), flags=pygame.NOFRAME)
font = pygame.font.SysFont(font_name, font_size)                            # SysFont(name, size, bold=False, italic=False)

bg_suface = pygame.Surface((win_width, win_height), flags=pygame.SRCALPHA)
pygame.Surface.convert(bg_suface)
bg_suface.fill(pygame.Color(0, 0, 0, 28))
winSur.fill((0, 0, 0))
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)
]

# 按窗口的宽度来计算可以在画板上放几列坐标并生成一个列表
column = int(win_width / FONT_PX)
drops = [0 for i in range(column)]
while True:
    # 从队列中获取事件
     for event in pygame.event.get():
         if event.type == pygame.QUIT:
             exit()
         elif event.type == pygame.KEYDOWN:
             chang = pygame.key.get_pressed()
             if (chang[32]):
                 exit()
     # 暂停给定的毫秒数
     pygame.time.delay(50)
     # 重新编辑图像
     winSur.blit(bg_suface, (0, 0))
     for i in range(len(drops)):
         text = random.choice(texts)
         # 重新编辑每个坐标点的图像
         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()

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