void pickup()
    {
        if (Input.GetButtonDown("Fire1") || Input.GetButtonDown("Fire2"))
        {
            int x = Screen.width / 2;
            int y = Screen.height / 2;

            Ray        ray = mainCamera.GetComponent <Camera>().ScreenPointToRay(new Vector3(x, y));
            RaycastHit hit;
            if (Physics.Raycast(ray, out hit))
            {
                Pickupable    p = hit.collider.GetComponent <Pickupable>();
                PickupableAn  z = hit.collider.GetComponent <PickupableAn> ();
                PickupableBer q = hit.collider.GetComponent <PickupableBer>();
                if (p != null)
                {
                    carrying      = true;
                    carriedObject = p.gameObject;
                    p.gameObject.GetComponent <Rigidbody>().isKinematic = true;
                }
                else if (z != null)
                {
                    carrying      = true;
                    carriedObject = z.gameObject;
                    z.gameObject.GetComponent <Rigidbody>().isKinematic = true;
                }
                else if (q != null)
                {
                    carrying      = true;
                    carriedObject = q.gameObject;
                    q.gameObject.GetComponent <Rigidbody>().isKinematic = true;
                }
            }
        }
    }
    IEnumerator ambil1()
    {
        yield return(new WaitForSeconds(angka));

        int x = Screen.width / 2;
        int y = Screen.height / 2;

        Ray        ray = mainCamera.GetComponent <Camera>().ScreenPointToRay(new Vector3(x, y));
        RaycastHit hit;

        if (Physics.Raycast(ray, out hit))
        {
            Pickupable    p = hit.collider.GetComponent <Pickupable>();
            PickupableAn  z = hit.collider.GetComponent <PickupableAn> ();
            PickupableBer q = hit.collider.GetComponent <PickupableBer>();
            if (p != null)
            {
                carrying      = true;
                carriedObject = p.gameObject;
                p.gameObject.GetComponent <Rigidbody>().isKinematic = true;
            }
            else if (z != null)
            {
                carrying      = true;
                carriedObject = z.gameObject;
                z.gameObject.GetComponent <Rigidbody>().isKinematic = true;
            }
            else if (q != null)
            {
                carrying      = true;
                carriedObject = q.gameObject;
                q.gameObject.GetComponent <Rigidbody>().isKinematic = true;
            }
        }
    }