​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  let n = noise(t);

  let x = map (n,0,1,0,width) //width is a built in variable 

  ellipse( x, 180, 16, 16) // the reason why the circle is not moving up is that the y is static 

  fill(44,55)

  // print(n)

  t+=0.001 

}