bulletClone.rigidbody.velocity = shootTurrel.transform.forward*bulletSpeed;

Mathf.Ceil

Vector3 hit = Vector3.zero;
  if (Input.GetButtonDown("Fire1"))
{
       Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
       RaycastHit rhit;
       if (Physics.Raycast(ray, rhit))
       {
             if(rhit.collider.tag == "Terrain") hit = rhit.point;
        }
}

var oo=GameObject.Find("fp");

var eo=GameObject.Find("fp").GetComponent("oro");

var eo=GameObject.Find("fp").GetComponent("oro") as oro;
eo.cv=xn;