永远

public GameObject friendprefab;
void Start()
{
InvokeRepeating("Createfriend", 0.1f, 1f);
}
void Createfriend()
{
float x = 10.5f;
float y = Random.Range(-3f, 2.5f);
GameObject friend = Instantiate(friendprefab);
friend.transform.position = new Vector3(x, y, 0);
}