let centerY;

​

let radius = 200;

let numPoints = 20;

​

let randomAmount = 15;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  centerX = width / 2;

  centerY = height / 2;

  angleMode(DEGREES);

  noStroke();

}

​

function draw() {

  background(0, 15);

​

  beginShape();

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

    let angle = (360 / numPoints) * i;

        let x = cos(angle) * radius + centerX;

    let y = sin(angle) * radius + centerY;

    let xrandom = random(-randomAmount, randomAmount);

    let yrandom = random(-randomAmount, randomAmount);

    vertex(x + xrandom, y + yrandom);

  }

  endShape(CLOSE);

}