tartaruga05.py

from turtle import *
from random import *

def moveToRandomLocation():
    penup()
    setpos( randint(-400,400) , randint(-400,400))
    pendown()

def drawStar(starSize, starColour):
    color(starColour)
    pendown()
    begin_fill()
    for side in range(5):
        left(144)
        forward(starSize)
    end_fill()
    penup()

def drawGalaxy(numberOfStars):
    starColours = ["#058396","#0275A6","#827E01"]
    moveToRandomLocation()

    for star in range(numberOfStars):
        penup()
        left(randint(-180,180))
        forward( randint(5,20))
        pendown()
        drawStar(2, choice(starColours))

def drawConstellation(numberOfStars):
    moveToRandomLocation()
    
    for star in range(numberOfStars-1):
        drawStar( randint(7,15), "white")
        pendown()
        left( randint(-90,90))
        forward( randint(30,70))

    drawStar( randint(7,15), "White")

speed(11)
bgcolor("MidnightBlue")
for star in range(30):
    moveToRandomLocation()
    drawStar( randint(5,25), "White")
    
for galaxy in range(3):
    drawGalaxy(40)

for constellation in range(2):
    drawConstellation(randint(4,7))
    
hideturtle()
done()