Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
1 contributor

Users who have contributed to this file

67 lines (60 sloc) 2.77 KB
# Conway's Game of Life
import random, time, copy
WIDTH = 60
HEIGHT = 20
# Create a list of list for the cells:
nextCells = []
for x in range(WIDTH):
column = [] # Create a new column.
for y in range(HEIGHT):
if random.randint(0, 1) == 0:
column.append('#') # Add a living cell.
else:
column.append(' ') # Add a dead cell.
nextCells.append(column) # nextCells is a list of column lists.
while True: # Main program loop.
print('\n\n\n\n\n') # Separate each step with newlines.
currentCells = copy.deepcopy(nextCells)
# Print currentCells on the screen:
for y in range(HEIGHT):
for x in range(WIDTH):
print(currentCells[x][y], end='') # Print the # or space.
print() # Print a newline at the end of the row.
# Calculate the next step's cells based on current step's cells:
for x in range(WIDTH):
for y in range(HEIGHT):
# Get neighboring coordinates:
# `% WIDTH` ensures leftCoord is always between 0 and WIDTH - 1
leftCoord = (x - 1) % WIDTH
rightCoord = (x + 1) % WIDTH
aboveCoord = (y - 1) % HEIGHT
belowCoord = (y + 1) % HEIGHT
# Count number of living neighbors:
numNeighbors = 0
if currentCells[leftCoord][aboveCoord] == '#':
numNeighbors += 1 # Top-left neighbor is alive.
if currentCells[x][aboveCoord] == '#':
numNeighbors += 1 # Top neighbor is alive.
if currentCells[rightCoord][aboveCoord] == '#':
numNeighbors += 1 # Top-right neighbor is alive.
if currentCells[leftCoord][y] == '#':
numNeighbors += 1 # Left neighbor is alive.
if currentCells[rightCoord][y] == '#':
numNeighbors += 1 # Right neighbor is alive.
if currentCells[leftCoord][belowCoord] == '#':
numNeighbors += 1 # Bottom-left neighbor is alive.
if currentCells[x][belowCoord] == '#':
numNeighbors += 1 # Bottom neighbor is alive.
if currentCells[rightCoord][belowCoord] == '#':
numNeighbors += 1 # Bottom-right neighbor is alive.
# Set cell based on Conway's Game of Life rules:
if currentCells[x][y] == '#' and (numNeighbors == 2 or numNeighbors == 3):
# Living cells with 2 or 3 neighbors stay alive:
nextCells[x][y] = '#'
elif currentCells[x][y] == ' ' and numNeighbors == 3:
# Dead cells with 3 neighbors become alive:
nextCells[x][y] = '#'
else:
# Everything else dies or stays dead:
nextCells[x][y] = ' '
time.sleep(1) # Add a 1 second pause to reduce flickering.
You can’t perform that action at this time.