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Conway's Game of Life for the Raspberry Pi Pico with Pimoroni Pico Scroll pack
# Conway's Game of Life
# Converted by Michael Horne from Steve Baines' Pico Unicorn pack example (Thanks to Tony Goodhew for spotting!)
# https://forums.pimoroni.com/t/pico-unicorn-pack-not-working-in-micropython/15997/5
# 14 Feb 2021 - Pimoroni UF2 0.0.7
import picoscroll as pico_addon
import random
import time
pico_addon.init()
w = pico_addon.get_width()
h = pico_addon.get_height()
print("Width ", w)
print("Height ", h)
class Cells:
def __init__(self):
self.cells = [[0]*h for i in range(w)]
def clear_all(self):
for x in range(w):
for y in range(h):
self.cells[x][y] = 0
def set_random_cells_to_value(self, prob, value):
for x in range(w):
for y in range(h):
if random.random() < prob:
self.cells[x][y] = value
def is_alive(self,x,y):
x = x % w
y = y % h
return self.cells[x][y] == 255
def get_num_live_neighbours(self, x, y):
num = 0
num += (1 if self.is_alive(x-1,y-1) else 0)
num += (1 if self.is_alive(x ,y-1) else 0)
num += (1 if self.is_alive(x+1,y-1) else 0)
num += (1 if self.is_alive(x-1,y) else 0)
num += (1 if self.is_alive(x+1,y) else 0)
num += (1 if self.is_alive(x-1,y+1) else 0)
num += (1 if self.is_alive(x ,y+1) else 0)
num += (1 if self.is_alive(x+1,y+1) else 0)
return num
def iterate_from(self, fromCells):
for x in range(w):
for y in range(h):
num_live_nbrs = fromCells.get_num_live_neighbours(x,y)
is_alive = fromCells.is_alive(x,y)
if is_alive and (num_live_nbrs < 2 or num_live_nbrs > 3):
self.cells[x][y] = 0 # Died
elif not is_alive and num_live_nbrs == 3:
self.cells[x][y] = 255 # Born
else:
self.cells[x][y] = fromCells.cells[x][y] # Unchanged state
def ExportToLeds(cells):
for x in range(w):
for y in range(h):
value = cells[x][y]
pico_addon.set_pixel(x,y,value)
pico_addon.update()
cellsA = Cells()
cellsB = Cells()
start = True
while True:
if start:
print("Clearing all cells")
cellsA.clear_all()
cellsA.set_random_cells_to_value(0.2, 255)
start = False
ExportToLeds(cellsA.cells)
time.sleep_ms(200)
cellsB.iterate_from(cellsA)
(cellsA, cellsB) = (cellsB, cellsA)
start = pico_addon.is_pressed(pico_addon.BUTTON_A)
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