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micropython/examples/conwaylife.py
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# import essential libraries | |
import pyb | |
lcd = pyb.LCD("x") | |
lcd.light(1) | |
# do 1 iteration of Conway's Game of Life | |
def conway_step(): | |
for x in range(128): # loop over x coordinates | |
for y in range(32): # loop over y coordinates | |
# count number of neighbours | |
num_neighbours = ( | |
lcd.get(x - 1, y - 1) | |
+ lcd.get(x, y - 1) | |
+ lcd.get(x + 1, y - 1) | |
+ lcd.get(x - 1, y) | |
+ lcd.get(x + 1, y) | |
+ lcd.get(x + 1, y + 1) | |
+ lcd.get(x, y + 1) | |
+ lcd.get(x - 1, y + 1) | |
) | |
# check if the centre cell is alive or not | |
self = lcd.get(x, y) | |
# apply the rules of life | |
if self and not (2 <= num_neighbours <= 3): | |
lcd.pixel(x, y, 0) # not enough, or too many neighbours: cell dies | |
elif not self and num_neighbours == 3: | |
lcd.pixel(x, y, 1) # exactly 3 neighbours around an empty cell: cell is born | |
# randomise the start | |
def conway_rand(): | |
lcd.fill(0) # clear the LCD | |
for x in range(128): # loop over x coordinates | |
for y in range(32): # loop over y coordinates | |
lcd.pixel(x, y, pyb.rng() & 1) # set the pixel randomly | |
# loop for a certain number of frames, doing iterations of Conway's Game of Life | |
def conway_go(num_frames): | |
for i in range(num_frames): | |
conway_step() # do 1 iteration | |
lcd.show() # update the LCD | |
pyb.delay(50) | |
# testing | |
conway_rand() | |
conway_go(100) |