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Nama	Ukuran	Aksi
__pycache__	-	Open
bytedesign.py	4.15 MB	View DL Edit
chaos.py	951 B	View DL Edit
clock.py	3.13 MB	View DL Edit
colormixer.py	1.31 MB	View DL Edit
forest.py	2.9 MB	View DL Edit
fractalcurves.py	3.39 MB	View DL Edit
lindenmayer.py	2.38 MB	View DL Edit
minimal_hanoi.py	2 MB	View DL Edit
nim.py	6.36 MB	View DL Edit
paint.py	1.26 MB	View DL Edit
peace.py	1.04 MB	View DL Edit
penrose.py	3.3 MB	View DL Edit
planet_and_moon.py	2.76 MB	View DL Edit
rosette.py	1.33 MB	View DL Edit
round_dance.py	1.76 MB	View DL Edit
sorting_animate.py	4.93 MB	View DL Edit
tree.py	1.37 MB	View DL Edit
turtle.cfg	160 B	View DL Edit
two_canvases.py	1.09 MB	View DL Edit
yinyang.py	820 B	View DL Edit
__init__.py	314 B	View DL Edit
__main__.py	14.7 MB	View DL Edit

Edit file: /lib64/python3.9/turtledemo/forest.py

#! /usr/bin/python3.9
"""     turtlegraphics-example-suite:

tdemo_forest.py

Displays a 'forest' of 3 breadth-first-trees
similar to the one in tree.
For further remarks see tree.py

This example is a 'breadth-first'-rewrite of
a Logo program written by Erich Neuwirth. See
http://homepage.univie.ac.at/erich.neuwirth/
"""
from turtle import Turtle, colormode, tracer, mainloop
from random import randrange
from time import perf_counter as clock

def symRandom(n):
    return randrange(-n,n+1)

def randomize( branchlist, angledist, sizedist ):
    return [ (angle+symRandom(angledist),
              sizefactor*1.01**symRandom(sizedist))
                     for angle, sizefactor in branchlist ]

def randomfd( t, distance, parts, angledist ):
    for i in range(parts):
        t.left(symRandom(angledist))
        t.forward( (1.0 * distance)/parts )

def tree(tlist, size, level, widthfactor, branchlists, angledist=10, sizedist=5):
    # benutzt Liste von turtles und Liste von Zweiglisten,
    # fuer jede turtle eine!
    if level > 0:
        lst = []
        brs = []
        for t, branchlist in list(zip(tlist,branchlists)):
            t.pensize( size * widthfactor )
            t.pencolor( 255 - (180 - 11 * level + symRandom(15)),
                        180 - 11 * level + symRandom(15),
                        0 )
            t.pendown()
            randomfd(t, size, level, angledist )
            yield 1
            for angle, sizefactor in branchlist:
                t.left(angle)
                lst.append(t.clone())
                brs.append(randomize(branchlist, angledist, sizedist))
                t.right(angle)
        for x in tree(lst, size*sizefactor, level-1, widthfactor, brs,
                      angledist, sizedist):
            yield None

def start(t,x,y):
    colormode(255)
    t.reset()
    t.speed(0)
    t.hideturtle()
    t.left(90)
    t.penup()
    t.setpos(x,y)
    t.pendown()

def doit1(level, pen):
    pen.hideturtle()
    start(pen, 20, -208)
    t = tree( [pen], 80, level, 0.1, [[ (45,0.69), (0,0.65), (-45,0.71) ]] )
    return t

def doit2(level, pen):
    pen.hideturtle()
    start(pen, -135, -130)
    t = tree( [pen], 120, level, 0.1, [[ (45,0.69), (-45,0.71) ]] )
    return t

def doit3(level, pen):
    pen.hideturtle()
    start(pen, 190, -90)
    t = tree( [pen], 100, level, 0.1, [[ (45,0.7), (0,0.72), (-45,0.65) ]] )
    return t

# Hier 3 Baumgeneratoren:
def main():
    p = Turtle()
    p.ht()
    tracer(75,0)
    u = doit1(6, Turtle(undobuffersize=1))
    s = doit2(7, Turtle(undobuffersize=1))
    t = doit3(5, Turtle(undobuffersize=1))
    a = clock()
    while True:
        done = 0
        for b in u,s,t:
            try:
                b.__next__()
            except:
                done += 1
        if done == 3:
            break

tracer(1,10)
    b = clock()
    return "runtime: %.2f sec." % (b-a)

if __name__ == '__main__':
    main()
    mainloop()

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