St. Nicholas' House v2

Alstergymnasium Python turtle

With the help of loops (for, while), functions (def) and classes (class), you can really make the turtle work hard.

flowchart TD
    A[Start] --> B[Initialize Turtle and Window]
    B --> C[Define House Function]
    C --> D[Set Window Parameters Width, Height]
    D --> E[Loop: count > 0]
    E --> F[Generate random values for x, y, a, color, size]
    F --> G[Call House Function x, y, a, color, size]
    G --> H[Decrease count by 1]
    H --> E
    E -- count == 0 --> I[Write Done! in red in the center]
    I --> J[Hide Turtle]
    J --> K[End Program]

# https://docs.python.org/3.13/library/turtle.html
from random import randint
import turtle  # Bestandteil von tkinter

count = 100
height = 1080
width = 1080


# Funktionen
def Haus(x=0, y=0, a=100, color=[128, 128, 128], size=3):
    # Zeichnen
    turtle.pencolor(color)
    turtle.pensize(size)
    turtle.teleport(x, y)
    turtle.goto(x + a, y)
    turtle.goto(x, y + a)
    turtle.goto(x + a, y + a)
    turtle.goto(x, y)
    turtle.goto(x, y + a)
    turtle.goto(x + a / 2, y + a + a / 2)
    turtle.goto(x + a, y + a)
    turtle.goto(x + a, y)
    return None  # optional, mmn vergleicht None immer mit is, nicht mit ==


# Fenster einrichten
turtle.title("Haus vom Nikolaus")
turtle.shape("turtle")  # arrow, circle, ...
turtle.speed(0)  # 0 = sofort, 1 - 10 sehr schnell => help(turtle.speed)
turtle.colormode(255)  # erlaubt das definieren von RGB-Farbwerten
height = turtle.window_height()
width = turtle.window_width()

while count > 0:
    x, y, a = (
        randint(-width // 2, width // 2),  # float nicht erlaubt, integer wird erzwungen
        randint(-height // 2, height // 2),
        randint(1, 200),
    )
    color = [randint(0, 255), randint(0, 255), randint(0, 255)]
    size = randint(1, 10)
    Haus(x, y, a, color, size)
    count -= 1

# Programmende
print("Fertig!")
turtle.teleport(0, 0)
turtle.pencolor(255, 0, 0)
turtle.write("Fertig!", align="center", font=("Arial", 32, "bold"))
turtle.hideturtle()
turtle.done()

Alternative implementation using a class:

# https://docs.python.org/3.13/library/turtle.html
from random import randint
import turtle  # Bestandteil von tkinter

count = 100
height = 1080
width = 1080


# Klassen
class Haus:
    def __init__(self, x=0, y=0, a=100, color=(128,128,128), size=3):
        self.x = x
        self.y = y
        self.a = a
        self.color = color
        self.size = size

    def zeichnen(self):
        turtle.pencolor(self.color)
        turtle.pensize(self.size)
        turtle.teleport(self.x, self.y)
        turtle.goto(self.x + self.a, self.y)
        turtle.goto(self.x, self.y + self.a)
        turtle.goto(self.x + self.a, self.y + self.a)
        turtle.goto(self.x, self.y)
        turtle.goto(self.x, self.y + self.a)
        turtle.goto(self.x + self.a / 2, self.y + self.a + self.a / 2)
        turtle.goto(self.x + self.a, self.y + self.a)
        turtle.goto(self.x + self.a, self.y)

# Fenster einrichten
turtle.title("Haus vom Nikolaus")
turtle.shape("turtle")  # arrow, circle, ...
turtle.speed(0)  # 0 = sofort, 1 - 10 sehr schnell => help(turtle.speed)
turtle.colormode(255)  # erlaubt das definieren von RGB-Farbwerten
height = turtle.window_height()
width = turtle.window_width()

while count > 0:
    x, y, a = (
        randint(-width // 2, width // 2),  # float nicht erlaubt, integer wird erzwungen
        randint(-height // 2, height // 2),
        randint(1, 200),
    )
    color = [randint(0, 255), randint(0, 255), randint(0, 255)]
    size = randint(1, 10)
    haus = Haus(x, y, a, color, size)   # .zeichnen() ggf. init und method in einer Zeile
    haus.zeichnen()
    count -= 1

# Programmende
print("Fertig!")
turtle.teleport(0, 0)
turtle.pencolor(255, 0, 0)
turtle.write("Fertig!", align="center", font=("Arial", 32, "bold"))
turtle.hideturtle()
turtle.done()