Move function

player.js

    // Move the ball around manually
    function move(interactions){

      if(interactions.up){
        playerElement.style.top = parseInt(playerElement.style.top)-8+"px";
      }

      if(interactions.down){
        playerElement.style.top = parseInt(playerElement.style.top)+8+"px";
      }

      if(interactions.left){
        playerElement.style.left = parseInt(playerElement.style.left)-8+"px";
      }

      if(interactions.right){
        playerElement.style.left = parseInt(playerElement.style.left)+8+"px";
      }

      if(settings.walls){ // if walls setting is true, player cannot move out of window
        wall();
      }
    }