​

function setup() {

  createCanvas(600, 600);

  noLoop();

}

​

function draw() {

  background("#1E8449");

  let waterColor = "#5DADE2";

  let cx = width/2;

  let cy = height/2;

  let r;

  let x;

  let y;

  let t;

  fill(waterColor);

  noStroke();

  beginShape();

  for (var i=0; i<720; i++){

    r = random(90,150);

    x = cx + r*cos(i);

    y = cy + r*sin(i);

    vertex(x,y);

  }

  endShape();

}

function mousePressed() {

  draw();

}