createCanvas(600, 600);

}

​

function draw() {

  background(25,80,100);

  noStroke();

  fill(225,180,100);

  var point = 200;

  var cx = width/2;

  var cy = height/2;

  var baseRadius = 200;

  var irregularity = 50;

  beginShape();

  for( var i = 0; i<point; i++){

    var t = map(i,0,point,0,TWO_PI);

    var radius = baseRadius + irregularity*noise(t*2);

    var px = cx + radius*cos(t);

    var py = cy + radius*sin(t);

    vertex(px,py);

  }

  endShape(CLOSE);

}