Python Turtle Graphics Drawing - Fractal Tree

 Python Turtle Graphics Drawing - Fractal Tree

Youtube

Source code:

import turtle as t

import colorsys as cs

t.setup(640,640)

t.bgcolor('black')

t.pencolor('white')

t.tracer(50)

t.up()

t.rt(90)

t.fd(150)

t.lt(180)

t.down()

def tree(a1,a2,d):

    if d<0:

        return

    t.color(cs.hls_to_rgb(d/11,0.5,1))

    t.pensize(d+1)

    t.fd(d*6)

    p = t.pos()

    h = t.heading()

    t.lt(a1)

    tree(a1,a2,d-1)

    t.up()

    t.goto(p)

    t.seth(h)

    t.rt(a2)

    t.down()

    tree(a1,a2,d-1)

tree(25,25,11)

t.done()