Resource.isEmpty C# (CSharp) Method

    public bool isEmpty()
    {
        return (amountLeft <= 0 || hitPoints <= 0);
    }

    protected override void Update()
    {
        base.Update();
        if (!rotating && !moving)// && !idle)
        {
            if (harvesting || emptying)
            {
                if (harvesting)
                {
                    Collect();
                    if (currentLoad >= capacity || resourceDeposit.isEmpty())
                    {
                        //make sure that we have a whole number to avoid bugs
                        //caused by floating point numbers
                        currentLoad = Mathf.Floor(currentLoad);
                        harvesting  = false;
                        emptying    = true;
                        //foreach (Arms arm in arms) arm.renderer.enabled = false;
                        //StartMove(resourceStore.transform.position, resourceStore.gameObject);
                        StartMove(resourceStore.spawnPoint, resourceStore.gameObject);
                    }
                }
                else
                {
                    Deposit();
                    if (currentLoad <= 0)
                    {
                        emptying = false;
                        //foreach (Arms arm in arms) arm.renderer.enabled = false;
                        if (!resourceDeposit.isEmpty())
                        {
                            harvesting = true;
                            StartMove(resourceDeposit.transform.position, resourceDeposit.gameObject);
                        }
                    }
                }
            }

            if (building && currentProject && currentProject.UnderConstruction())
            {
                amountBuilt += buildSpeed * Time.deltaTime;
                int amount = Mathf.FloorToInt(amountBuilt);
                if (amount > 0)
                {
                    amountBuilt -= amount;
                    currentProject.Construct(amount);
                    if (!currentProject.UnderConstruction())
                    {
                        building = false;
                        //idle = true;
                    }
                }
            }
        }
    }