​

function setup() {

  createCanvas(1000, 1000);

  background(0);

  stroke(255);

  strokeWeight(15);

  translate(width / 2, height);

  angleOffset = random(1000); // Initialize a random offset for noise

  drawBranch(150, 20); // Start drawing the tree with an initial trunk length and thickness

}

​

function drawBranch(len, sw) {

  if (sw > 1) {

    strokeWeight(sw); // Set branch thickness

  }

​

  line(0, 0, 0, -len);

  translate(0, -len);

​

  if (len > 4) {

    let branches = floor(random(2, 4)); // Random number of branches between 2 and 3

​

    for (let i = 0; i < branches; i++) {

      let branchAngle = map(noise(angleOffset), 0, 1, PI / 6, PI / 4);

      let branchLength = len * random(0.5, 0.8); // Random length for each branch

      angleOffset += 0.05;

​

      push();

      rotate(branchAngle * (i % 2 === 0 ? 1 : -1)); // Alternate direction for branches

      drawBranch(branchLength, sw * 0.67);

      pop();

    }

  }

}

​