Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Fill a circle with 0s and 1s
#!/usr/bin/env python3
#
# Fill a circle with 0 and 1's
# The circle is made of half as many lines as it is made of columns.
# This way, it usually appears round (with most terminal fonts at least).
# Accept the circle's width-radius as argument. See the default radius r, below.
r = 15
from sys import argv
if len(argv) > 1:
r = int(argv[1])
import random
def rand01generator():
while True:
r = random.randrange(2 ** 32)
for i in range(32):
yield 1 & r >> i
class Circle:
def __init__(self, r):
self.r = r
def __contains__(self, point):
x, y = point
return x ** 2 + y ** 2 <= self.r ** 2
c = Circle(r)
g = rand01generator()
text = []
for y in range(r):
line = []
for x in range(2*r):
if (x + 0.5 - r, 2 * y + 1 - r) in c:
line.append(str(next(g)))
else:
if x <= r:
line.append(" ")
text.append("".join(line))
print("\n".join(text))
example_output = """
0101010011
011110000011100101
1110111010111111011011
00000000101011000010100100
1101011100101001001110110100
1101110101110101100101111111
010101001110010111001011111101
101100011100101101110011000111
110111000110000010000010001101
0010100110001000110010010000
0100110101000100011000100111
11100100010011000000001000
1001010101101101010101
011111010101101011
1011110000
"""
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.