constructor(w, h, numPoints = 10, sizeFactor = 0.08, 

               noiseMax = 0.8, showPoints = false) {

    this.numPoints = numPoints;

    this.noiseMax = noiseMax;

    this.showPoints = showPoints;

    this.inc = TWO_PI / numPoints;

    this.zoff = random(100);

    this.sizeMin = w * sizeFactor;

    this.sizeMax = this.sizeMin * 3;

    this.points = [];

    this.x = random(this.sizeMax, width - this.sizeMax);

    this.y = random(this.sizeMax, height - this.sizeMax);

    this.rotation = random(0, TWO_PI);

  }

  drawing() {

    let a = 0;

    push();

    translate(this.x, this.y);

    rotate(this.rotation);

    beginShape();

​

    for (let i = 0; i < this.numPoints + 3; i++) {

      a += this.inc;

      let xoff = map(cos(a), -1, 1, 0, this.noiseMax);

      let yoff = map(sin(a), -1, 1, 0, this.noiseMax);

      let r = map(noise(xoff, yoff, this.zoff), 0, 1, 

                  this.sizeMin, this.sizeMax);

      let x = r * cos(a);

      let y = r * sin(a);

      curveVertex(x, y);

      this.points.push({"x": x, "y": y});

​

      if (this.showPoints) {

        strokeWeight(5);

        point(x, y); 

        strokeWeight(1.5);

      }

    }

​

    endShape();

    pop();

  }

  drawLine() {

    let p = random(this.points);

    push();

    translate(head.x + p.x, head.y + p.y);

    beginShape();

    curveVertex(0, 0);

    let xoff = random(100);

    let yoff = random(100);

    let length = this.sizeMin; 

    for(let i = 0; i < 5; i++) {

      let x = noise(xoff++) * length;

      let y = noise(yoff++) * length;

      curveVertex(x, y);

    }

    endShape();

    pop();

  }

}

​

let head;

​

function setup() {

  createCanvas(170, 350, SVG);

  head = new Head(width, height);

}

​

function draw() {

  background(240);

  stroke(0);

  strokeWeight(1.5);

  noFill();

  frameRate(1);

  // drawHead();

  head.drawing();

  // head.drawLine();

}

​

function keyPressed() {

  if (key === 'p') {

    head.showPoints = !head.showPoints;

  }

  if (key === 'r') {

    head = new Head(width, height);

  }

  if (key === 's') {

    save("test.svg");  

  }

}