let circleD= 100

function setup() {

  createCanvas(400,400);

}

​

function draw(){

  background(0);

  fill(100,50,200)

  circle(circleX, 200,circleD);

  circleX= circleX + 1

}

  function mousePressed(){

    circleX = 0

      circleD= circleD + 30

}