[Unity3D] 戦車の砲台を回転速度を付けて回転させたい。

提示コードのコメント部内部ですが戦車の砲台を"Turret1"を回転速度をつけて回転させたいのですが回転が止まりません。これはなぜでしょうか？内積を使って砲台と前方向とプレイヤーの方向を取得してそれを内積することによって角度を得てるのですがなぜなのでしょうか？

cs
1using System.Collections;
2using System.Collections.Generic;
3using UnityEngine;
4using UnityEngine.AI;
5
6public class Tank_Tier1 : Enemy_Base
7{
8    
9    [SerializeField] private Transform[] point;         //巡回地点
10    [SerializeField] private GameObject bullet;         //発射する弾
11    [SerializeField] private GameObject destroyEffect;  //破壊エフェクト
12
13    private Vector3 attackVector;   //攻撃方向
14    private NavMeshAgent agent;     //巡回
15    private int destPoint;          //巡回ポイント
16    private float angle;            //角度
17    private bool isRotateTrurret;   //砲台を回転するかどうか？
18    private float rotate;           //回転量
19
20
21    private void Awake()
22    {
23        
24    }
25
26    // Start is called before the first frame update
27    void Start()
28    {
29        destPoint = 0;
30        angle = 0;
31        agent = GetComponent<NavMeshAgent>();
32        //agent.SetDestination(point[destPoint].position);
33
34    }
35
36    // Update is called once per frame
37    void Update()
38    {
39
40
41        //AI();
42
43        if(time <= intervalTime)
44        {
45            time += Time.deltaTime;
46        }
47        else
48        {
49            time = intervalTime;
50        }
51    }
52
53    private void FixedUpdate()
54    {
55
56
57
58    }
59
60
61    void AI()
62    {
63        if (agent.remainingDistance < 0.1f)
64        {
65            agent.destination = point[destPoint].position;
66            destPoint = (destPoint + 1) % point.Length;
67        }
68    }
69/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
70    public override void OnAttackAreaStay(Collider other)
71    {
72        if(other.gameObject.tag == "Player")
73        {
74            attackVector = other.gameObject.transform.position - transform.Find("Turret1").transform.Find("Main Gun1").transform.position;
75
76            rotate = Vector3.Dot(transform.Find("Turret1").transform.forward,other.gameObject.transform.position - transform.Find("Turret1").transform.position);
77
78            
79            if((rotate * Mathf.Rad2Deg) > angle)
80            {
81                Debug.Log("あああ");
82                transform.Find("Turret1").rotation = Quaternion.Euler(0f, angle, 0f);
83//                transform.Find("Turret1").transform.Find("Main Gun1").transform.rotation = Quaternion.Euler(0f, angle, 0f);
84
85                angle += 10 * Time.deltaTime;
86            }
87            else
88            {
89                transform.Find("Turret1").rotation = Quaternion.LookRotation(other.gameObject.transform.position - transform.Find("Turret1").transform.position);
90
91                //angle = 0;
92            }
93            
94/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
95
96
97
98
99
100
101
102
103            /*
104            //バレット
105            if(time >= intervalTime || time == 0)
106            {
107                GameObject g = Instantiate(bullet, transform.Find("Turret1").transform.Find("Main Gun1").transform.position, 
108                transform.Find("Turret1").transform.Find("Main Gun1").transform.rotation);
109                g.gameObject.GetComponent<Bullet>().moveVector = attackVector;
110
111                time = 0;
112            }
113            */
114        }
115
116
117    }
118
119
120    public override void OnAttackAreaExit(Collider other)
121    {
122        if (other.gameObject.tag == "Player")
123        {
124
125        }
126    }
127
128
129    //ダメージ
130    public override void OnDamage(Collider other)
131    {
132        if(other.gameObject.tag == "Weapon")
133        {
134            //hp += other.gameObject.GetComponent<Bullet>().damage
135            hp += -1;
136            if (hp < 1)
137            {
138                Instantiate(destroyEffect,transform.position,transform.rotation);
139                Destroy(this.gameObject);
140            }
141        }
142    }
143
144
145
146
147}
148