Snowfall using Python code

snow.py

import os
import sys
import time
import random
from math import sin

def get_terminal_size():
    rows, columns = os.popen('stty size', 'r').read().split()
    return int(rows), int(columns)

def snow():
    h, w = get_terminal_size()
    air = [[1] * h for _ in range(w)]
    # Define the flakes with ANSI color escape codes
    flakes = [
        " ",  # No color for empty space
        " ",  # No color for empty space
        " ",  # No color for empty space
        " ",  # No color for empty space
        "\033[37m❆\033[0m",  # White for *
        "\033[34m❄\033[0m",  # Blue for ❄
        "\033[36m❅\033[0m",  # Cyan for ❅
    ]
    scsin = lambda t: (sin(t) / 2 + 0.5) * (0.1 / 3)
    likelihood = lambda t: scsin(t) + scsin(t * 1.00001) + scsin(t * 0.9999)

    try:
        while True:
            for x in range(w):
                for y in range(h - 1, -1, -1):
                    if y == 0:  # new flakes
                        air[x][y] = random.randint(2, len(flakes) - 1) if random.random() < likelihood(time.time()) else 1
                    elif y == h - 1:  # accumulate bottom
                        air[x][y] = 2 if ((random.random() < 0.95 and air[x][y] > 1) or (air[x][y - 1] > 1 and random.random() < 0.2)) else 1
                    elif all(value == 1 for value in air[x][y:]):  # melt pile sometimes
                        air[x][y] = 2 if random.random() < 0.95 else 1
                    elif air[x][y - 1] > 1 and all(value == 1 for value in air[x][y + 1:]):  # if flake coming and piled up below
                        air[x][y] = 2 if random.random() < 0.1 else 1
                    else:  # fall downwards otherwise
                        air[x][y] = air[x][y - 1]

            # Clear the screen and print the snow
            os.system('clear')
            for y in range(h):
                for x in range(w):
                    flake_index = min(air[x][y], len(flakes) - 1)
                    sys.stdout.write(flakes[flake_index])
                sys.stdout.write('\n')
            sys.stdout.flush()

            time.sleep(1/8)
    except KeyboardInterrupt:
        pass

snow()

cute 😍

def get_terminal_size():
    columns, rows = os.get_terminal_size()
    return int(rows), int(columns)

making it os agnostic