import random
import time

x = int(input("x value: "))
y = int(input("y value: "))
fps = int(input("framerate: ")) # Usually 6
rainfallRatio = int(input("ratio of rainfall: ")) # Usually 10
output = [[] for _ in range(y)]


# What character should be displayed for a filled or empty space
def drop(): return "\033[38;2;191;127;255m/\033[0m" # Weird ass escape sequence... Only prints text between the m and \033
def empty(): return " "

# Create initial data in the lists
def startup():
    for i in range(y): output[i] = [(drop() if random.randint(1, rainfallRatio) == 1 else empty()) for _ in range(y + (2 * x))]

def update():
    # Clear terminal
    print("\033[H\033[2J", end="") # Another weird ass escape sequence...

    # Create next frame excluding the top line
    for _i in range(y - 1):
        i = y - (_i + 1) # i iterates from last value downwards to 1
        output[i] = output[i - 1]
        output[i].pop(0)

    # Generate new top line
    nextLine = [(drop() if random.randint(1, rainfallRatio) == 1 else empty()) for _ in range(y + (2 * x))]

    # Independantly create the top line
    output[0] = nextLine

    # Print the output
    print(f"+{"-" * x}+")
    for i in range(y):
        print("|", end="")
        for j in range(x): print(output[i][j], end="")
        print("|")
    print(f"+{"-" * x}+")



startup()
while True:
    update()
    time.sleep(1 / fps)