text: var pos = 0;
  const pacArray = [
      ['./images/PacMan1.png', './images/PacMan2.png'],
      ['./images/PacMan3.png', './images/PacMan4.png']
  ];
  var direction = 0;
  const pacMen = []; // This array holds all the pacmen
  
  function setToRandom(scale) {
      return {
          x: Math.random() * scale,
          y: Math.random() * scale
      }
  }
  // Factory to make a PacMan at a random position with random velocity
  function makePac() {
      // returns an object with random values scaled {x: 33, y: 21}
      let velocity = setToRandom(10); // {x:?, y:?}
      let position = setToRandom(200);
      console.log(position)
      // Add image to div id = game
      let game = document.getElementById('game');
      let newimg = document.createElement('img');
      newimg.style.position = 'absolute';
      newimg.src = './images/PacMan1.png';
      newimg.width = 100;
      newimg.height = 100;
      //
      // set position here 
      newimg.style.left = position.x + 'px';
      newimg.style.top = position.y + 'px';
      //
  
  
      // add new Child image to game
      game.appendChild(newimg);
      // return details in an object
      return {
          position,
          velocity,
          newimg
      }
  }
  
  function update() {
      //loop over pacmen array and move each one and move image in DOM
      pacMen.forEach((item) => {
          checkCollisions(item)
          item.position.x += item.velocity.x;
          item.position.y += item.velocity.y;
          console.log(item.position)
  
          item.newimg.style.left = item.position.x + 'px';
          item.newimg.style.top = item.position.y + 'px';
      })
      console.log("update!")
      setTimeout(update, 10);
  }
  
  function checkCollisions(item) {
      if(item.position.x + item.newimg.width > window.innerWidth || item.position.x < 0)
          item.velocity.x = -item.velocity.x;
      if(item.position.y + item.newimg.height > window.innerHeight || item.position.y < 0)
          item.velocity.y = -item.velocity.y;   
      }
  
  function makeOne() {
      pacMen.push(makePac()); // add a new PacMan
  }
  
  //don't change this line
  if (typeof module !== 'undefined') {
      module.exports = { checkCollisions, update, pacMen };
    }