let x = 0;

let y = 0;

let directionX = 2;

let directionY = 2;

​

function preload() {

  gif = createImg("lunidin.gif", "lunidin.gif"); //??

}

​

function setup() {

  createCanvas(500, 500);

  background(220);

}

​

function draw() {

  gif.position(x, y);

  x = x + directionX;

  y = y + directionY;

​

  if (x > width) {

    directionX = -2;

  }

  if (y > height) {

    directionY = -2;

  }

  if (x < 0) {

    directionX = 2;

  }

  if (y < 0) {

    directionY = 2;

  }

}

​