void Update()
        {
            float elapsedSec = Time.time - lastTime;

            lastTime              = Time.time;
            secondsSinceLastScan += elapsedSec;
            if (isForPlayerShip)
            {
                return;
            }
            if (targettedAst != null)
            {
                turret.SetNewTarget(targettedAst.transform.position);
            }

            if (secondsSinceLastScan >= secondsTillScan)
            {
                if (miningMode)
                {
                    if (targettedAst != null)
                    {
                        //turret.SetNewTarget(targettedAst.transform.position);
                        if (turret.GetAngleToTarget() < 7)
                        {
                            targettedAst.InflictDamage(dmgPerSec * elapsedSec);
                            if (isFiring == false)
                            {
                                StartFire();
                            }
                            else if (isFiring == true && targettedAst.currHealth <= 0)
                            {
                                // send resource to owning space station
                                owner.gold  += 5;
                                targettedAst = null;
                                StopFire();
                            }
                        }
                    }
                    else
                    {
                        CheckForAsteroids();
                    }
                }
                else
                {
                    if (targettedBot != null)
                    {
                        targettedBot.TakeDamage(1);
                        // todoj if bot's health is <= 0 then send itemdestroyed operation.
                        //if (targettedBot.c)
                    }
                    CheckForNearbyBots();
                }
            }



            //  CheckForTurn();
            //  CheckForFire();
        }
        void CheckForTurn()
        {
            // Construct a ray pointing from screen mouse position into world space
            Ray cameraRay = Camera.main.ScreenPointToRay(Input.mousePosition);

            // Raycast
            if (Physics.Raycast(cameraRay, out hitInfo, 500f))
            {
                turret.SetNewTarget(hitInfo.point);
            }
        }