pixelflut sinewave, usage: python3 pixelflut.py 600 0.5 1 8 | pv | nc 151.217.25.113 1234

pixelflut.py

# the code is rather dirty but hey it works and it looks pretty amazing

import math
import itertools
import argparse

cli = argparse.ArgumentParser()
cli.add_argument('ypos', type=float)
cli.add_argument('freq', type=float)
cli.add_argument('amp', type=float)
cli.add_argument('order', type=int)
args = cli.parse_args()

while True:
    for step in itertools.count():
        for x in range(1024):
            amplitude = (math.sin(step / 142)**2 * 50 + 5) * args.amp
            freq = (0.1 + math.sin(step / 10) * 0.005) * args.freq
            y = args.ypos + math.sin(step / 3) * 5 + sum(math.sin(freq * x * k)/k for k in range(1, 1 + args.order)) * amplitude
            r = math.sin(1 + step / 5) / 2 + 0.5
            g = math.sin(0.5 + step / 5) / 4 + 0.75
            b = 1
            print("PX %d %d %02X%02X%02X" % (int(x), int(y), int(r*255), int(g*255), int(b*255)))