for x in 1..12 {
  for y in 1..60 {
    rotate y deg
    forward 5 
  }
}


angle = 0
rotate 90 deg

for x in 1..360/10  {
  sin_angle = abs(sin((angle)))
  angle = angle + 0.0174533 * 10
  forward 5 + sin_angle * 15
  rotate 10 deg
}


phi = 1.618034

function leaf(_){
  rand = random(1)
  step = 4 + rand * 4
  i = 90 /4
  angle = 0.4 * 4

  breadcrumb push
  for x in 1..i {
    forward step
    rotate angle deg
  }
  breadcrumb pop
  rotate 35 deg
  for x in 1..i {
    forward step
    rotate -angle deg
  }
}

for x in 1..36 {
  rotate (360 *phi) deg
  breadcrumb push

  rand = random(1)

  leaf(1)

  breadcrumb pop
}


function golden_spiral(a, b, scale, i) {
  for x in 1..i {
    next_fibonacci = a + b
    a = b
    b = next_fibonacci
    for y in 1..90/4 {
      rotate 1*4 deg
      forward scale * a
    }
  }
}

for x in 1..6 {
  a = 0
  b = 1
  rotate 60 deg
  breadcrumb push
  golden_spiral(a, b, 0.1, 10)
  forward -100
  forward 120
  breadcrumb pop

}



function golden_spiral(a, b, scale, i) {
  for x in 1..i {
    next_fibonacci = a + b
    a = b
    b = next_fibonacci
    for y in 1..90/4 {
      rotate 1*4 deg
      forward scale * a
    }
  }
}

phi = 1.618034

global_scale = 0.5
for x in 1..4 {
  a = 0
  b = 1
  rotate 180 deg

  breadcrumb push
  golden_spiral(a, b, global_scale, 7)
  forward 10
  breadcrumb pop

  cursor off
  forward -15
  rotate -90 deg
  forward 15 + 15 * phi
  rotate 90 deg
  forward 15 * phi
  cursor on

  rotate 90 deg

}


function golden_spiral(a, b, scale, i) {
  for x in 1..i {
    next_fibonacci = a + b
    a = b
    b = next_fibonacci
    for y in 1..90/4 {
      rotate 1*4 deg
      forward scale * a
    }
  }
}

a = 0
b = 1
breadcrumb push
golden_spiral(a, b, 0.1, 10)
breadcrumb pop

a = 1
b = 1
breadcrumb push
golden_spiral(a, b, 0.1, 10)
breadcrumb pop


function figure(scale, sides) {
  for x in 1..sides {
    forward scale
    rotate 360 / sides deg
  }
}

base_unit =  10

rotate 90 deg
for x in 1..10 {
  forward base_unit
  breadcrumb push
  rotate 90 deg
  for y in 1..10 {
    figure(base_unit, 4)
    forward base_unit
  }
  breadcrumb pop
}


for x in 1..100 {
  forward 2 * x
  rotate 60.2 deg
}



function figure(scale, sides) {
  rand = random(1)
  if rand >  0.1{
    for x in 1..sides {
      forward scale
      rotate 360 / sides deg
    }
  }
}

base_unit =  10

rotate 30 deg
for x in 1..10 {
  cursor off
  forward base_unit * 2
  cursor on
  breadcrumb push
  rotate 120 deg
  for y in 1..10 {
    rotate -30 deg
    figure(base_unit, 6)
    rotate 30 deg
    cursor off
    forward base_unit * 2
    cursor on
  }
  breadcrumb pop
}


for x in 1..150 {
  rotate 10 deg
  for y in 1..360 /8 {
    rotate 8 deg
    forward 8
  }
}

n = 5
for x in 1..n {
  forward 100
  rotate 360 / n deg
}



  for y in 1..10 {
    rotate 90 deg
    forward y * 10
    for x in 0..5 {
      x = x
      forward 10 + x *5 + y * 5
      rotate 140 + y deg
    }
  }


function move (distance){
  if distance >= 0 {
    forward(distance)
    rotate 120 deg
    move(distance - 10)
  }
}

for x in 1..100 {
  rotate 30 deg
  move (50)
  
}


function move (distance){
  if distance >= 0 {
    forward(distance)
    rotate 60 deg
    move(distance - 10)
  }
}

for x in 1..100 {
  rotate 30 deg
  move (30)
  
}


for x in 1..360 {
  forward 1
  rotate 1 deg
}


for x in 1..100 {
  forward x / 4
  rotate 20 deg
}



  for y in 1..61 {
    breadcrumb push
    rand = random(1)
    forward rand * 100
    breadcrumb pop
    rotate 6 deg
  }





  for y in 1..12 {
    breadcrumb push
    for x in 1..16 {

      breadcrumb push
      forward x+60
      breadcrumb pop
      rotate 2 deg
    }

    breadcrumb pop
    rotate 30 deg
  }




angle = 25

function F(iteration){
  if iteration > 0 {
    forward 1
    F(iteration-1)
    F(iteration-1)
  }
}

function Y(iteration) {
  if iteration > 0 {
    F(iteration)
    rotate -angle deg
    breadcrumb push
    breadcrumb push
    X(iteration-1)
    breadcrumb pop
    rotate angle deg
    X(iteration-1)
    breadcrumb pop
    rotate angle deg
    F(iteration)
    breadcrumb push
    rotate angle deg
    F(iteration)
    X(iteration-1)
    breadcrumb pop
    rotate -angle deg
    X(iteration-1)
  }
}

function Z(iteration) {
  if iteration > 0 {
    F(iteration)
    rotate angle deg
    breadcrumb push
    breadcrumb push
    X(iteration-1)
    breadcrumb pop
    rotate -angle deg
    X(iteration-1)
    breadcrumb pop
    rotate -angle deg
    F(iteration)
    breadcrumb push
    rotate -angle deg
    F(iteration)
    X(iteration-1)
    breadcrumb pop
    rotate angle deg
    X(iteration-1)
  }
}

function X(iteration) {

  random_number = random (1)
  if(random_number<0.5){
    Y(iteration)
  } else {
    Z(iteration)
  }

}

rotate -90 deg

X(5)



angle = 25

function F(iteration){
  if iteration > 0 {
    forward 1
    F(iteration-1)
    F(iteration-1)
  }
}

function Y(iteration) {
  if iteration > 0 {
    F(iteration)
    rotate -angle deg
    breadcrumb push
    breadcrumb push
    X(iteration-1)
    breadcrumb pop
    rotate angle deg
    X(iteration-1)
    breadcrumb pop
    rotate angle deg
    F(iteration)
    breadcrumb push
    rotate angle deg
    F(iteration)
    X(iteration-1)
    breadcrumb pop
    rotate -angle deg
    X(iteration-1)
  }
}

function Z(iteration) {
  if iteration > 0 {
    F(iteration)
    rotate angle deg
    breadcrumb push
    breadcrumb push
    X(iteration-1)
    breadcrumb pop
    rotate -angle deg
    X(iteration-1)
    breadcrumb pop
    rotate -angle deg
    F(iteration)
    breadcrumb push
    rotate -angle deg
    F(iteration)
    X(iteration-1)
    breadcrumb pop
    rotate angle deg
    X(iteration-1)
  }
}

function X(iteration) {

  random_number = random (1)
  if(random_number<0.5){
    Y(iteration)
  } else {
    Z(iteration)
  }

  random_number = random (1)
  if(random_number<0.5){
    Y(iteration)
  } else {
    Z(iteration)
  }

}

rotate -90 deg

X(4)



angle = 25

function F(iteration){
  if iteration > 0 {
    forward 1
    F(iteration-1)
    F(iteration-1)
  }
}

function X(iteration) {
  if iteration > 0 {
    F(iteration)
    rotate angle deg
    breadcrumb push
    breadcrumb push
    X(iteration-1)
    breadcrumb pop
    rotate -angle deg
    X(iteration-1)
    breadcrumb pop
    rotate -angle deg
    F(iteration)
    breadcrumb push
    rotate -angle deg
    F(iteration)
    X(iteration-1)
    breadcrumb pop
    rotate angle deg
    X(iteration-1)
    
    
  }
}

rotate -90 deg

X(6)

