Coroutines (сопрограммы)

void Update() 
{
    if (Input.GetMouseButtonDown(0)) 
    {
        Vector3 point = new Vector3(_camera.pixelWidth/2, _camera.pixelHeight/2, 0);
        Ray ray = _camera.ScreenPointToRay(point);
        RaycastHit hit;
        if (Physics.Raycast(ray, out hit)) 
        {
             StartCoroutine(SphereIndicator(hit.point)); 
        }
    }
}
 
private IEnumerator SphereIndicator(Vector3 pos) 
{ 
    GameObject sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
    sphere.transform.position = pos;
    yield return new WaitForSeconds(1); 
    Destroy(sphere); 
}