Unity Script

#pragma strict
    var targetx : int;
    var targetz : int;
    var counts : int;
    var tempo : int;
    private var speed : int;
function Start () {

}

function Update () {
    var y = 1.5;
    var speed = (1/(tempo/2))*counts;
    transform.position = Vector3.MoveTowards(Vector3(gameObject.transform.position.x, y, gameObject.transform.position.z), Vector3(targetx, y, targetz), speed * Time.deltaTime);
}