Unity : 位置情報が更新されない

#スクリプト

public
1{
2    [SerializeField] GameObject a;
3    [SerializeField] GameObject b;
4    [SerializeField] GameObject c;
5    [SerializeField] GameObject d;
6    [SerializeField] GameObject aa;
7    [SerializeField] GameObject bb;
8    [SerializeField] GameObject cc;
9    [SerializeField] GameObject dd;
10    //右向き
11    npc nsc;
12    private bool ri;
13    //アニメーション
14    private Animator anm;
15
16    // Start is called before the first frame update
17    void Start()
18    {
19        nsc = GetComponent<npc>();
20        //アニメーション
21        anm = GetComponent<Animator>();
22    }
23
24    // Update is called once per frame
25    void Update()
26    {
27        
28    }
29    public void atA()
30    {
31        nsc = GetComponent<npc>();
32        ri = nsc.ri;
33        if (ri == true)
34        {
35            Instantiate(a, new Vector2( this.transform.position.x + 3.2f , this.transform.position.y - 1 ), Quaternion.identity);
36        }
37        if (ri == false)
38        {
39            Instantiate(aa, new Vector2( this.transform.position.x + 1 , this.transform.position.y - 1 ), Quaternion.identity);
40        }
41    }
42    public void atB()
43    {
44        nsc = GetComponent<npc>();
45        ri = nsc.ri;
46        if (ri == true)
47        {
48            Instantiate(b, new Vector2( this.transform.position.x + 3.2f , this.transform.position.y - 1 ), Quaternion.identity);
49        }
50        if (ri == false)
51        {
52            Instantiate(bb, new Vector2( this.transform.position.x + 1 , this.transform.position.y - 1 ), Quaternion.identity);
53        }
54    }
55    public void atC()
56    {
57        nsc = GetComponent<npc>();
58        ri = nsc.ri;
59        if (ri == true)
60        {
61            Instantiate(c, new Vector2( this.transform.position.x + 3.2f , this.transform.position.y - 1 ), Quaternion.identity);
62        }
63        if (ri == false)
64        {
65            Instantiate(cc, new Vector2( this.transform.position.x + 1 , this.transform.position.y - 1 ), Quaternion.identity);
66        }
67    }
68    public void atD()
69    {
70        nsc = GetComponent<npc>();
71        ri = nsc.ri;
72        if (ri == true)
73        {
74            Instantiate(d, new Vector2( this.transform.position.x + 3.2f , this.transform.position.y - 1 ), Quaternion.identity);
75        }
76        if (ri == false)
77        {
78            Instantiate(dd, new Vector2( this.transform.position.x + 1 , this.transform.position.y - 1 ), Quaternion.identity);
79        }
80    }
81}
82