Transporter.cs

public class Transporter : MonoBehaviour
{
    public Vector3 direction { get { return (_endPoint.position - _startPoint.position).normalized; } }

    [SerializeField] private GameObject _element;

    [Header("Transporter Settings")]
    [SerializeField] private Transform _startPoint;
    [SerializeField] private Transform _endPoint;
    [SerializeField] private int _count;

    private Transform _transform;
    private Transform _firstElement;
    private Rigidbody _firstRigidbody;
    private Vector3 _offset;

    public void ResetPosition(Transform target)
    {
        target.position = _firstElement.position + _offset;
        _firstElement = target;
    }

    private void Awake()
    {
        _transform = transform;

        CreateLine();
    }

    private void CreateLine()
    {
        for(int i=0; i<_count; i++)
        {
            Vector3 pos = Vector3.Lerp(_startPoint.position, _endPoint.position, (float)i / (float)(_count - 1));
            GameObject instantiated = Instantiate(_element, pos, Quaternion.identity);
            instantiated.name = "element" + i;

            instantiated.transform.parent = _transform;

            if (i == 0)
            {
                _firstElement = instantiated.transform;
                _firstRigidbody = instantiated.GetComponent<Rigidbody>();
            }

            if (i == 1) _offset = _firstElement.transform.position - pos;
        }
    }
}