delta op

/*===========================================================
=         Animate Damage per Second                         =
===========================================================*/
function dpsAnim(time, key) {
  let frame = time - Game.dpsAnimStart;
  Game.dpsAnimStart = time;

  let item = Game.Ores[key];
  let char = Game.Character;
  let penetrate = item.armor / 100 * char.armorPen;
  let damage = char.dps - (item.armor - penetrate);
  let damagePerFrame = (damage / 1000) * frame;

  if(item.hp > 0 && damage > 0) {
    item.hp -= damagePerFrame;

    let delta = item.hp - damagePerFrame;

    checkDifference();

    function checkDifference() {
        if(delta <= 0) {
            item.prog ++;
            giveXp();
            giveLoot(key);
            oreProgressBar(key);

            save(`${key}Prog`, item.prog);
            save(`${key}Rewarded`, item.rewarded);

            if(item.prog >= 10) {
                item.prog = 0;
                item.lv ++;
            }

            let oreMaxHp = Math.floor(item.baseHp * Math.pow(item.hpPerLv, item.lv));

            item.hp = oreMaxHp - delta;
            item.maxHp = oreMaxHp;
            delta = item.hp;

            checkDifference();
        }
    }

    //generateResource(key, delta);
    //popUpAnim(key);
  }
  else if(item.armor - penetrate >= char.dps || char.dps <= 0)
    cancelAnimationFrame(Game.dpsAnimFrame);

  healthBar(key);

  save(`${key}Hp`, item.hp);

  cl(`dpsAnim(${key})`);

}