createCanvas(1200,1200);

  // background('black');

   background('#000035')

  stroke('#FAF9F6');

  let turtleString = "B";

  for (let i=0; i < 12; i++) {

   turtleString = turtleString.replaceAll("B","F+[B+]-B[-B]FF");

  }

  // turtleString.replaceAll("F","F+[F+]-F[-F]");

  print(turtleString);

  // stroke('white');

  strokeWeight(10);

  translate(width/2,height/1.1);

  renderString(turtleString);

}

let branchLength = 50;

let angle = Math.PI / 8;

​

​

function renderString(string) {

  for (let character of string) {

    if (character == 'F') {

      rotate(random(angle, -angle));

        strokeWeight(branchLength / 12);

      line(0, 0, 0, 1, -branchLength);

      translate(0, -branchLength);

      // strokeWeight(branchLength/50);

      // line(0, 0, 0, -branchLength);

      // //  line(0, 0, -branchLength, 0);

      // // line(-branchLength, 0, 0, 0);

      // translate(0, -branchLength);

    } else if (character == '+') {

      rotate(angle);

    } else if (character == '-') {

      rotate(-angle);

    } else if (character == '[') {

      branchLength /= 2;

      push();

    } else if (character == ']') {

      branchLength *= 2;

      pop();

    }

  }

}