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Commit 586277e

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‎yeke/README.md

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+ [py-tetris](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-tetris) :用 Python 写个俄罗斯方块
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+ [py-counter](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-counter) :不到 100 行 Python 代码写个计算器
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+ [py-tank](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-tank) :用 Python 写个坦克大战
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+ [py-scratch](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-scratch) :不到 50 行 Python 代码,做个刮刮卡
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‎yeke/py-scratch/__init__.py

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‎yeke/py-scratch/prize/1.jpg

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‎yeke/py-scratch/prize/2.jpg

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‎yeke/py-scratch/prize/3.jpg

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‎yeke/py-scratch/prize/4.jpg

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‎yeke/py-scratch/prize/5.jpg

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‎yeke/py-scratch/scratch.py

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import os
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import sys
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import random
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import pygame
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path = 'prize'
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ptype = ['jpg', 'png', 'bmp', 'JPG', 'PNG', 'BMP']
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# 窗口大小
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screen_size = (600, 400)
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white = (255, 255, 255, 20)
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gray = (192, 192, 192)
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pygame.init()
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pygame.mouse.set_cursor(*pygame.cursors.diamond)
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screen = pygame.display.set_mode(screen_size)
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pygame.display.set_caption('刮一刮抽奖')
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surface = pygame.Surface(screen_size).convert_alpha()
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surface.fill(gray)
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filenames = os.listdir(path)
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filenames = [f for f in filenames if f.split('.')[-1] in ptype]
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imgpath = os.path.join(path, random.choice(filenames))
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image_used = pygame.transform.scale(pygame.image.load(imgpath), screen_size)
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while True:
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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pygame.quit()
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sys.exit(-1)
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mouse_event = pygame.mouse.get_pressed()
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if mouse_event[0]:
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pygame.draw.circle(surface, white, pygame.mouse.get_pos(), 40)
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elif mouse_event[-1]:
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surface.fill(gray)
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image_used = pygame.transform.scale(pygame.image.load(imgpath), screen_size)
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screen.blit(image_used, (0, 0))
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screen.blit(surface, (0, 0))
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pygame.display.update()
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