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One dimensional snake
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| import os | |
| import random | |
| import string | |
| import sys | |
| import time | |
| from utils import getch | |
| def snake1d(): | |
| universe_width = 100 | |
| x = universe_width/2 | |
| direction = 1 | |
| speed = 1 | |
| snake_width = 1 | |
| kgen = getch(0.1) | |
| key_map = {'D': -1, 'C': 1} | |
| rand_x = random.randint(0, universe_width-1) | |
| food_waiting = False | |
| while 1: | |
| c = kgen.next() | |
| direction = key_map.get(c, direction) | |
| x += direction * speed | |
| if x in range(rand_x, rand_x+speed): | |
| speed += 1 | |
| food_waiting = False | |
| if x not in range(universe_width): | |
| print 'Game Over' | |
| print 'You scored {}!'.format(speed) | |
| sys.exit() | |
| line = ['.'] * universe_width | |
| line[x:x+speed] = 'X'*speed | |
| if not food_waiting: | |
| rand_x = random.randint(0, universe_width-1) | |
| food = random.choice(string.letters) | |
| food_waiting = True | |
| line[rand_x] = food | |
| os.system('clear') | |
| print str(speed).center(universe_width) | |
| print ''.join(line) | |
| if __name__ == '__main__': | |
| snake1d() |
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| """ | |
| Based on: https://docs.python.org/2/faq/library.html#how-do-i-get-a-single-keypress-at-a-time | |
| """ | |
| from contextlib import contextmanager | |
| import os | |
| import sys | |
| import sys | |
| import time | |
| import fcntl | |
| import termios | |
| @contextmanager | |
| def stdin_setup(): | |
| fd = sys.stdin.fileno() | |
| oldterm = termios.tcgetattr(fd) | |
| newattr = termios.tcgetattr(fd) | |
| newattr[3] = newattr[3] & ~termios.ICANON & ~termios.ECHO | |
| termios.tcsetattr(fd, termios.TCSANOW, newattr) | |
| oldflags = fcntl.fcntl(fd, fcntl.F_GETFL) | |
| fcntl.fcntl(fd, fcntl.F_SETFL, oldflags | os.O_NONBLOCK) | |
| try: | |
| yield | |
| finally: | |
| termios.tcsetattr(fd, termios.TCSAFLUSH, oldterm) | |
| fcntl.fcntl(fd, fcntl.F_SETFL, oldflags) | |
| def getch(timeout=0): | |
| while True: | |
| c = None | |
| start = time.time() | |
| with stdin_setup(): | |
| while True: | |
| duration = time.time() - start | |
| if timeout and timeout < duration: | |
| break | |
| try: | |
| c = sys.stdin.read(1) | |
| except IOError: | |
| pass | |
| if c: | |
| break | |
| yield c |
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