Created
March 1, 2014 14:44
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class Automata(): | |
'Represents a cellular automata with configurable params:' | |
' - number of columns, defaults to 64' | |
' - number of iterations, defaults to 32' | |
' - true symbol, defaults to *' | |
' - false symbol, defaults to -' | |
entries = [] | |
rows = 0 | |
cur_row = 0 | |
def __init__(self, cols=64, iters=32, t_symbol="*", f_symbol="-"): | |
print "Beginning Cellular Automata Simulation" | |
print "Press CTRL+C to quit." | |
self.cols = cols | |
self.iterations = iters | |
self.true_symbol = t_symbol | |
self.false_symbol = f_symbol | |
try: | |
while self.cur_row < self.iterations: | |
self.add_row() | |
self.print_row() | |
self.cur_row += 1 | |
except KeyboardInterrupt: | |
print "Exiting." | |
return False | |
def set_first_row_position(self): | |
self.first_row_position = (self.cols / 2) - 1 | |
return self.first_row_position | |
def get_previous_row_column(self, col): | |
if self.cur_row > 0: | |
previous_row = self.entries[self.cur_row - 1] | |
return previous_row[col] | |
else: | |
return False | |
def print_row(self): | |
return_val = "" | |
for i in range(0, self.cols - 1): | |
col = self.entries[self.cur_row][i] | |
if col == True: | |
return_val += self.true_symbol | |
elif col == False: | |
return_val += self.false_symbol | |
else: | |
return_val += self.false_symbol | |
print return_val | |
return return_val | |
def add_row(self): | |
self.entries.append([]) | |
self.entries[self.cur_row] = [False] * self.cols | |
if self.cur_row == 0: | |
automata_start = self.set_first_row_position() | |
self.entries[self.cur_row][automata_start] = True | |
else: | |
for i in range(self.cols): | |
pos_left = i - 1 | |
pos_right = i + 1 | |
if (pos_left > 0): | |
prev_pos_left = self.get_previous_row_column(pos_left) | |
else: | |
prev_pos_left = False | |
if (pos_right < self.cols): | |
prev_pos_right = self.get_previous_row_column(pos_right) | |
else: | |
prev_pos_right = False | |
if prev_pos_right == True and prev_pos_left == False: | |
return_val = True | |
elif prev_pos_left == True and prev_pos_right == False: | |
return_val = True | |
else: | |
return_val = False | |
self.entries[self.cur_row][i] = return_val | |
return self.entries[self.cur_row] | |
Automata() | |
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