let paintbrushX;

let paintbrushY;

let r,g,b;

function setup() {

  createCanvas(400, 400);

  strokeWeight(10);

}

​

function draw() {

  background(255, 15);

​

  paintbrushX = noise(offset) * width;

  paintbrushY = noise(offset + 2) * height;

  r=noise(offset+2)*255

  g=noise(offset)*255

  b=noise(offset*0.1)*255

  stroke(r,g,b)

  point(paintbrushX, paintbrushY);

  offset = offset + 0.03;

}