flocon2.py

Created by cent20
Created on April 08, 2022
1020 Bytes
Réalisé par un élève
# Auteur : Arnaud V.
# Réalisé par un de mes élèves de seconde 
# dans le cadre d'un DM "Les mathématiques sont belles", 2022, 3ème éd.
# https://twitter.com/nsi_xyz/status/1507684348820082690

# Flocon de koch https://fr.wikipedia.org/wiki/Flocon_de_Koch

from turtle import *
from kandinsky import *
from random import *
def fractal_side(length,sides):
  if sides==0:
    forward(length)
    return
  length/=3
  fractal_side(length,sides-1)
  left(60)
  fractal_side(length,sides-1)
  right(120)
  fractal_side(length,sides-1)
  left(60)
  fractal_side(length,sides-1)
  
def fractal_snowflake(sides, length):
  for i in range (sides):
    fractal_side(length,sides)
    right(360/sides)
    
    
def fractal(sides,length):
  for i in range (length):
    hideturtle()
    pencolor(i*6,i*6,i*6)
    fractal_snowflake(sides,length)
    forward(0.5)
    right(90)
    forward(0.625)
    left(90)
    length=length-1
    
penup()
backward(50)
left(90)
forward(70)
right(90)
pendown()
fractal(5,100)