生命游戏的算法就不多解释了,百度一下介绍随处可见。

因为网上大多数版本都是基于pygame,matlab等外部库实现的,二维数组大多是用numpy,使用起来学习成本比较高,所以闲暇之余写一个不用外部依赖库,console输出的版本。

# -*- coding: utf-8 -*-
from time import sleep
from copy import deepcopy 

WORLD_HIGH = 20 #世界长度
WORLD_WIDE = 40 #世界宽度
ALIVE_CON = 3 #复活条件
KEEP_CON = 2 #保有条件 

class Cell(object):
  '''''细胞对象'''
  def __init__(self, pos):
    '''''自身坐标x,y, 已经是否还存活'''
    self.point, self.is_alive = pos, False
    self.x, self.y = self.point 

  def setAlive(self):
    self.is_alive = True 

  def setDied(self):
    self.is_alive = False 

  def display(self):
    if self.is_alive:
      return '*'
    return ' ' 

  def displayLinux(self):
    '''''在linux环境下可以打印黑白块'''
    if self.is_alive:
      return '\033[0;37;47m \033[0m'
    return '\033[0;30;40m \033[0m' 

class GameManager(object):
  def __init__(self):
    self.world = self.initWorld()
    self.initAliveCell() 

  def initWorld(self):
    world = []
    for pos_x in xrange(WORLD_WIDE):
      column = []
      for pos_y in xrange(WORLD_HIGH):
        column.append(Cell((pos_x, pos_y)))
      world.append(column)
    return world 

  def initAliveCell(self):
    from random import choice
    for high in self.world:
      for cell in high:
        if choice((0, 1)) == 0:
          continue
        cell.setAlive() 

  def getNeighbours(self, cell_obj):
    alive_count = 0
    for x_of in xrange(-1, 2):
      for y_of in xrange(-1, 2):
        c_x, c_y = cell_obj.x + x_of, cell_obj.y + y_of
        if ((c_x, c_y) == cell_obj.point) or \
          (c_x < 0 or c_x >= WORLD_WIDE) or \
          (c_y < 0 or c_y >= WORLD_HIGH):
          '''''排除自身和越界的点'''
          continue
        if self.world[c_x][c_y].is_alive:
          alive_count += 1
    return alive_count 

  def display(self):
    print '='*WORLD_WIDE #等号分割线
    for index in xrange(WORLD_HIGH):
      print ''.join([high[index].displayLinux() for high in self.world])
    print '='*WORLD_WIDE 

  def gameStart(self):
    while True:
      self.display()
      new_world = deepcopy(self.world)
      for p_x, wide_list in enumerate(self.world):
        for p_y, _ in enumerate(wide_list):
          current_cell = new_world[p_x][p_y]
          nei_num = self.getNeighbours(current_cell)
          if nei_num == ALIVE_CON:
            current_cell.setAlive()
          elif nei_num != KEEP_CON:
            current_cell.setDied()
      self.world = new_world
      sleep(0.2) 

if __name__ == '__main__':
  world = GameManager()
  try:
    world.gameStart()
  except KeyboardInterrupt:
    '''''防止ctrl+c退出报错'''
    pass 

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