71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
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#! /usr/bin/env python3
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#conways game of life
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import time, random, copy
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width = 100
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hight = 50
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nextCells = []
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currentCells = []
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def createInitalBoard(): #create inital board
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for x in range(width):
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column = [] #add a column
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for y in range(hight):
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if random.randint(0, 1) == 0:
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column.append('#') #add a living cell
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else:
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column.append(' ') #add a dead cell
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nextCells.append(column) #append the newly created random column
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def printBoard():
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for y in range(hight):
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for x in range(width):
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print(nextCells[x][y], end='')
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print()#print a newline at the end of the row.
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print('\n\n\n\n\n') #seperate each step with newlines
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def updateBoard():
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currentCells = copy.deepcopy(nextCells) #create a buffer of the grid to work on.
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for x in range(width):
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for y in range(hight):
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#get neighboring cordinates
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#% width makes the board wrap.
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leftCoord = (x-1)%width
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rightCoord = (x+1)%width
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aboveCoord = (y-1)%hight
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belowCoord = (y+1)%hight
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numNeighbors = 0
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#count the number of living neighbors
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if currentCells[leftCoord][aboveCoord] == '#':
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numNeighbors +=1 #top left
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if currentCells[x][aboveCoord] == '#':
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numNeighbors +=1 #top
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if currentCells[rightCoord][aboveCoord] == '#':
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numNeighbors +=1 #top right
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if currentCells[leftCoord][y] == '#':
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numNeighbors +=1 #left
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if currentCells[rightCoord][y] == '#':
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numNeighbors +=1 #right
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if currentCells[leftCoord][belowCoord] == '#':
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numNeighbors +=1 #bottom left
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if currentCells[x][belowCoord] == '#':
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numNeighbors +=1 #bottom
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if currentCells[rightCoord][belowCoord] == '#':
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numNeighbors +=1 #bottom right
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#set cell state based on conways rules
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if currentCells[x][y] == '#' and (numNeighbors == 2 or numNeighbors == 3):
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nextCells[x][y] = '#'
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elif currentCells[x][y] == ' ' and numNeighbors == 3:
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nextCells[x][y] = '#'
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else:
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nextCells[x][y] = ' '
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createInitalBoard()
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while True: #main loop
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printBoard()
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updateBoard()
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time.sleep(.1)
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