Farawa

for(int i=0;i<GlobalData.Objects.count;i++)
{
Сюда твое условие, но вместо нуля i
}

var selectedList = GlobalData.Objects.Where(x=>x.transform.position == pos).ToList();

[SerializeField] private Queue<GameObject> points;

    public Vector2 GetTargetPosition()
    {
        if (points.Count == 0)
        {
            //destroy;
        }
        var point = points.Dequeue();
        return point.transform.position;
    }

public class Laser : MonoBehaviour
{
    [SerializeField] private LineRenderer lineRenderer;

    private void Update()
    {
        //Ray ray = new Ray(origin,direction);
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);

        RaycastHit hit;
        if (Physics.Raycast(ray, out hit))
        {
            lineRenderer.enabled = true;
            var firstPosition = Camera.main.transform.position;
            var secondPosition = hit.point;
            lineRenderer.SetPosition(0, firstPosition);
            lineRenderer.SetPosition(1, secondPosition);
        }
        else
        {
            lineRenderer.enabled = false;
        }
    }
}