​

function setup() {

  createCanvas(600, 600);

  background(32);

  var saveImageButton = createButton("Save Image");

    saveImageButton.mousePressed(saveImage);

  saveImageButton.position(30, height -600);

var changeColorButton = createButton("Change Color");

  changeColorButton.mousePressed(changeColorButton);

  changeColorButton.position(30, height - 80);

}

​

function draw(){

  var circleX = random(width);

  var circleY = random(height);

  var circleSize = random(10, 200);

  fill(random(355), random(155), random(55));

  ellipse(circleX, circleY, circleSize)

}

​

function changeColor(){

  fill(random(555), random(55), random(355));

}

​

function saveImage(){

  save("myimage.jpg");

}

​