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#
# Conway's Game of Life
# Copyright (c) 2015 Alexander R. Pruss
# MIT License
#
# life.py [[size [fraction]]
#
# Default size: 50
# If fraction is omitted, you can draw whatever you like. Otherwise, the specified fraction is used.
# E.g.,
# life.py 100 0.2
# will draw a 100x100 square, and fill in 20% of the cells.
from mc import *
from time import sleep
from random import random
import sys
def evolve(board):
height = len(board)
width = len(board[0])
newBoard = [[False for i in range(width)] for j in range(height)]
for row in range(height):
for col in range(width):
liveNeighbors = 0
for i in range(-1,2):
for j in range(-1,2):
if row+i >= 0 and row+i < height and col+j >= 0 and col+j < width and (i != 0 or j != 0) and board[row+i][col+j]:
liveNeighbors += 1
if liveNeighbors == 3:
newBoard[row][col] = True
elif board[row][col] and liveNeighbors == 2:
newBoard[row][col] = True
return newBoard
def border(mc,x0,y0,z0,width,height,block=STONE):
mc.setBlocks(x0-1,y0,z0-1,x0+width,y0,z0-1,block)
mc.setBlocks(x0-1,y0,z0+height,x0+width,y0,z0+height,block)
mc.setBlocks(x0-1,y0,z0,x0-1,y0,z0+height-1,block)
mc.setBlocks(x0+width,y0,z0,x0+width,y0,z0+height-1,block)
def draw(mc,x0,y0,z0,width,height,oldBoard,newBoard,full,empty):
for row in range(height):
for col in range(width):
if oldBoard == None or oldBoard[row][col] != newBoard[row][col]:
mc.setBlock(x0+col,y0,z0+row,full if newBoard[row][col] else empty)
def life(mc,x0,y0,z0,width,height,empty=AIR,full=GOLD_BLOCK,delay=0.5,board=None):
generation = 0
if board == None:
board = [[False for i in range(width)] for j in range(height)]
blocks = mc.getBlocks(x0,y0,z0,x0+width-1,y0,z0+height-1)
for row in range(height):
for col in range(width):
if blocks[col*width+row] != AIR.id:
board[row][col] = True
draw(mc,x0,y0,z0,width,height,None,board,full,empty)
while True:
if generation % 10 == 0:
mc.postToChat("Generation %d" % generation)
sleep(delay)
newBoard = evolve(board)
draw(mc,x0,y0,z0,width,height,board,newBoard,full,empty)
board = newBoard
generation += 1
if __name__=='__main__':
mc = Minecraft()
pos = mc.player.getTilePos();
x0 = pos.x-25
y0 = pos.y
z0 = pos.z-25
if len(sys.argv) >= 2:
width = int(sys.argv[1])
height = width
else:
width = 50
height = 50
border(mc,x0,y0,z0,width,height)
if len(sys.argv) >= 3:
p = float(sys.argv[2])
mc.postToChat("Occupied fraction: %.3f" % p)
for row in range(height):
for col in range(width):
mc.setBlock(x0+col,y0,z0+row,GOLD_BLOCK if random() < p else AIR)
else:
mc.postToChat("Set up board and right click with sword when ready to go")
mc.events.clearAll()
while not mc.events.pollBlockHits():
sleep(0.1)
life(mc,x0,y0,z0,width,height)
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