public GameObject sp_20;

    void Update () {

        if (Input.GetMouseButtonDown(0))

        {

            OnArrange(20);

        }

    }

    /*

    100--0.3  100放大了的本地坐标  0.3世界坐标

    200--0.6

    300--0.8

    400--1.1

    500--1.4

    600--1.7

    700--1.9

    800--2.2

    900--2.5

   1000--2.8

   1050--2.9

   1080--3.0

    */

    public void OnArrange(int num) {

        for (int i = 0; i < num; i++)

        {

            /*  GameObject go = GameObject.Instantiate(sp_20, new Vector3(0, 10, 0), Quaternion.identity) as GameObject;

       go.transform.SetParent(transform);

       go.transform.localScale = Vector3.one;

       go.transform.localPosition = new Vector3(300, 0, 0);

       Debug.Log(go.transform.position);//世界坐标

       Debug.Log(go);*/

            if (i <15)

            {

                GameObject goes = GameObject.Instantiate(sp_20, new Vector3(0, 55, 0), Quaternion.identity) as GameObject;

                goes.transform.SetParent(transform);

                goes.transform.localScale = Vector3.one;

                goes.transform.localPosition = new Vector3(490-35 * i, 55, 0);

            }

            else

            {

                GameObject goes = GameObject.Instantiate(sp_20, new Vector3(0, 55, 0), Quaternion.identity) as GameObject;

                goes.transform.SetParent(transform);

                goes.transform.localScale = Vector3.one;

                goes.transform.localPosition = new Vector3(490-35 * 15, 55, 0);

                goes.transform.localPosition = new Vector3(490-35 * (i - 15), 20, 0);

            }

        }

    }