let alpha = 255;

let imgFaded;

​

function preload() {

  img = loadImage("assets/mist.png");

}

​

function setup() {

  createCanvas(600, 800);

  imageMode(CENTER);

    btn = createButton("Motion");

  btn.mousePressed(function() {

    DeviceOrientationEvent.requestPermission();

  });

}

​

function draw() {

  background(10);

  tint(255,alpha);

  image(img, random(0, 5), 0);

}

​

​

function deviceMoved() {

  alpha = alpha - 5;

  if (alpha <= 0) {

    alpha = 255;

  }

}

​