Leave the string F→F[+F]F[-F] untouched, and just add a sine wave — growing with each generation's depth — to the turtle's turning angle at every step: the root barely moves while only the twig tips whip into wind
Leave the string F→F[+F]F[-F] untouched, and just add a sine wave — growing with each generation's depth — to the turtle's turning angle at every step: the root barely moves while only the twig tips whip into wind