var resolution = 16;

​

function setup() {

  createCanvas(600, 600);

  r[0] = 100;

  for(var i=1; i<(2*PI)/(1/resolution); i++){

    r[i] = r[i-1] + random(-20, 20);

    r[i] += (100-r[i])*0.2;

  }

}

​

function draw() {

  background("lightskyblue");

  noStroke();

  fill("forestgreen");

  rect(0, 500, width, height);

  push();

    translate(width/2, height/2);

    stroke("sienna");

    strokeWeight(10);

    line(0, 0, 0, 225);

    fill("forestgreen");

    noStroke();

    beginShape();

    for(var i=0; i<=2*PI; i+=(1/resolution)){

        curveVertex(r[resolution*i]*cos(i), 1.25*r[resolution*i]*sin(i));

    }

  endShape();

  pop();

  textFont("cursive");

  textSize(50);

  fill("red");

  textAlign(CENTER);

  text("A Lovely Day \n In the Park", width/2, 75);

}