​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(20);

​

}

​

function draw() {

  noFill();

  stroke(220, 80);

  strokeWeight(0.6);

  translate(mouseX, mouseY);

  rotate(angle);

  let mx = (mouseX/30)

  rect(-mx, mx, 160, 60);

  angle += 0.1;

}