oscilloscope sierpinski triangle

scope_triangle.py

#!/usr/bin/env python

import sys
import struct
import random

funcs = [
    lambda (x, y): (x/2.0, y/2.0 + 1.0),
    lambda (x, y): (x/2.0 - 1.0, y/2.0),
    lambda (x, y): (x/2.0 + 1.0, y/2.0),
]

point = (0.0, 0.0)
scale = int((2**15 - 1) / 2.0)

while True:
    sys.stdout.write(struct.pack('<hh',
        int(point[0] * scale),
        int(point[1] * scale)))
    point = random.choice(funcs)(point)