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# -*- coding: utf-8 -*-
# This is the game life http://en.wikipedia.org/wiki/Conway%27s_Game_of_Life
import os, time, random
#
# we need a function to load cells in the neighborhood
#
def LoadCells(rows, cols):
grid = []
col = [0] * cols
# first we load an empty grid
for i in range(rows):
col = [0] * cols
grid.append(col)
# then we load some cells
for x in range(rows):
for y in range(cols):
cell = random.randint(0, random.randint(0, 1))
grid[x][y] = cell
return grid
#
# here we draw the grid
#
def DrawGrid(grid):
rows = len(grid)
cols = len(grid[1])
for x in range(rows):
for y in range(cols):
if grid[x][y] != 1:
print ".",
else:
print "o",
print "\n",
#
# count neighbors arround a single cell
#
def CountNeighbors(grid, x, y):
neighbors = 0
rows = len(grid)
cols = len(grid[1])
if x < rows-1 and grid[x+1][y] == 1:
neighbors += 1
if x > 0 and grid[x-1][y] == 1:
neighbors += 1
if y < cols-1 and grid[x][y+1] == 1:
neighbors += 1
if y > 0 and grid[x][y-1] == 1:
neighbors += 1
if x < rows-1 and y < cols-1 and grid[x+1][y+1] == 1:
neighbors += 1
if x > 0 and y > 0 and grid[x-1][y-1] == 1:
neighbors += 1
if x > 0 and y < cols-1 and grid[x-1][y+1] == 1:
neighbors += 1
if x < rows-1 and y > 0 and grid[x+1][y-1] == 1:
neighbors += 1
return neighbors
# here we define a single iteration
# if we have between 3 and 6 neighbors the single cell lives
# in other case the cell dies
def Iteration(grid):
rows = len(grid)
cols = len(grid[1])
neighbors = 0
for x in range(rows):
for y in range(cols):
neighbors = CountNeighbors(grid, x, y)
if grid[x][y] == 1:
if neighbors < 2 or neighbors > 3:
grid[x][y] = 0
else:
if neighbors == 3:
grid[x][y] = 1
#
# iterate n pulses and draws the result of each one
#
def Iterator(rows, cols, pulses):
pulse = 1
grid = LoadCells(rows, cols)
while pulse <= pulses:
os.system('clear')
print "Pulse: ", pulse
Iteration(grid)
DrawGrid(grid)
pulse += 1
time.sleep(0.2)
number = input("Please input the number of rows and cols (unique number):")
pulses = input("Please input the number of pulses:")
Iterator(number, number, pulses)
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