File Manager

X7ROOT File Manager

Current Path: /usr/lib64/python3.8/turtledemo

ðŸ“ ..
ðŸ“„ __init__.py(314 B)
ðŸ“„ __main__.py(13.91 KB)
ðŸ“ __pycache__
ðŸ“„ bytedesign.py(4.15 KB)
ðŸ“„ chaos.py(951 B)
ðŸ“„ clock.py(3.13 KB)
ðŸ“„ colormixer.py(1.31 KB)
ðŸ“„ forest.py(2.9 KB)
ðŸ“„ fractalcurves.py(3.39 KB)
ðŸ“„ lindenmayer.py(2.38 KB)
ðŸ“„ minimal_hanoi.py(2 KB)
ðŸ“„ nim.py(6.36 KB)
ðŸ“„ paint.py(1.26 KB)
ðŸ“„ peace.py(1.04 KB)
ðŸ“„ penrose.py(3.3 KB)
ðŸ“„ planet_and_moon.py(2.76 KB)
ðŸ“„ rosette.py(1.33 KB)
ðŸ“„ round_dance.py(1.76 KB)
ðŸ“„ sorting_animate.py(4.91 KB)
ðŸ“„ tree.py(1.37 KB)
ðŸ“„ turtle.cfg(160 B)
ðŸ“„ two_canvases.py(1.09 KB)
ðŸ“„ yinyang.py(820 B)

Editing: tree.py

#! /usr/bin/python3.8
"""      turtle-example-suite:

tdemo_tree.py

Displays a 'breadth-first-tree' - in contrast
to the classical Logo tree drawing programs,
which use a depth-first-algorithm.

Uses:
(1) a tree-generator, where the drawing is
quasi the side-effect, whereas the generator
always yields None.
(2) Turtle-cloning: At each branching point
the current pen is cloned. So in the end
there are 1024 turtles.
"""
from turtle import Turtle, mainloop
from time import perf_counter as clock

def tree(plist, l, a, f):
    """ plist is list of pens
    l is length of branch
    a is half of the angle between 2 branches
    f is factor by which branch is shortened
    from level to level."""
    if l > 3:
        lst = []
        for p in plist:
            p.forward(l)
            q = p.clone()
            p.left(a)
            q.right(a)
            lst.append(p)
            lst.append(q)
        for x in tree(lst, l*f, a, f):
            yield None

def maketree():
    p = Turtle()
    p.setundobuffer(None)
    p.hideturtle()
    p.speed(0)
    p.getscreen().tracer(30,0)
    p.left(90)
    p.penup()
    p.forward(-210)
    p.pendown()
    t = tree([p], 200, 65, 0.6375)
    for x in t:
        pass

def main():
    a=clock()
    maketree()
    b=clock()
    return "done: %.2f sec." % (b-a)

if __name__ == "__main__":
    msg = main()
    print(msg)
    mainloop()

X7ROOT File Manager

Editing: tree.py

Upload File

Create Folder