Python

Code: Alles auswählen

# -*- coding: utf-8 -*-

import turtle 
import random

b = 0

turtle.speed('fastest')
turtle.color('blue')
zurueck = 0

laenge = 240
winkel = 90
for i in range(0,180,3):   
    b = 3
    turtle.left(b)
    if zurueck > 1:
       turtle.color('red') 
       laenge = laenge + 8         
    else:
       if laenge > 6:
          laenge = laenge - 8
       else:
          zurueck = 2  
          
    for n in range(4):       
        turtle.backward(laenge)
        turtle.left(winkel)

turtle.done()