Fractal Bernsley Fern

[JoseRFJuniorLLMs]

https://en.wikipedia.org/wiki/Barnsley_fern https://colab.research.google.com/drive/1U54ZMdpNDzMP39m1xT2tDAPdiBpz59_1?usp=sharing

Estou tentando fazer funcionar esse exemplo da wikipidia no colab, porem mudou as funcoes da biblioteca, pode ajudar ?

[tolgaatam]

Hi,

The Wikipedia example uses the native Turtle library of Python. This turtle library that I created have few differences from the native library. I checked the code on Wikipedia link that you shared and adapted it to work with this library. The code would go as follows:

from ColabTurtle.Turtle import *
import random
initializeTurtle()
speed(8)
color("green")
width(2)
penup()

x = 0
y = 0
for n in range(110000):
    goto(65 * x + 350, -37 * y + 410)
    pendown()
    forward(0.2)
    backward(0.2)
    penup()
    r = random.random()
    r = r * 100
    xn = x
    yn = y
    if r < 1:
        x = 0
        y = 0.16 * yn
    elif r < 86:
        x = 0.85 * xn + 0.04 * yn
        y = -0.04 * xn + 0.85 * yn + 1.6
    elif r < 93:
        x = 0.20 * xn - 0.26 * yn
        y = 0.23 * xn + 0.22 * yn + 1.6
    else:
        x = -0.15 * xn + 0.28 * yn
        y = 0.26 * xn + 0.24 * yn + 0.44

I tried this and could create the fractal; however, the network started to be a bottleneck where 110000 points had to be displayed, and the browser started to hang. but it at least works to some extend :)

This library does not have dot() function, so I accomplished the same effect with going forward and backward.

[tolgaatam]

Alternatively, you can use write('•', align="center") rather than forward and backward, this could work faster because it will use one network call to draw one dot.