fraktal-turtle

fraktal-turtle.py

import turtle     
import time

my_window = turtle.Screen() 
# my_window.screensize(1000,1000)
my_window.bgcolor("white")       # creates a graphics window
# my_window.setworldcoordinates(0,0, 1000,1000)
my_window.delay(0)
my_window.tracer(100,200)
my_pen = turtle.Turtle()      

lightness = 1

colors = ["LightBlue", "orange", "DarkOliveGreen1","LightBlue4", "DarkRed","DarkOliveGreen", "Black"]


maxDepth = 7
minLength = 1
pensizeFactor = 2
lineDivisionFactor = 3
initialLength = minLength * pow(lineDivisionFactor, maxDepth-1) * pensizeFactor


for depth in range(maxDepth):
    lightness = lightness - 0.2
    my_pen.color(colors[depth])
    my_pen.penup()
    my_pen.goto(-200,400)
    my_pen.pendown()
    commands = "FRFRFRFR"
    length = initialLength

    for i in range(depth):
        length = length / lineDivisionFactor
        commands = commands.replace("F","FRFLFLFRF")

    print("length: " + str(length))


    my_pen.pensize(length / pensizeFactor)
    my_pen.speed(0)

    for command in commands: 
        if (command == "F"):
            my_pen.forward(length)
        elif (command == 'R'):
            my_pen.right(90)
        elif (command == 'L'):
            my_pen.left(90)
        
my_window.update()
time.sleep(86400)