unity. テニスでラリーをしたい！

発生している問題・エラーメッセージ

テニスでラリーができるロボットを作ろうとしてますが.打ち返しもしないし高度が24.7で固定されてしまいます

該当のソースコード

c#
1using System.Collections;
2using System.Collections.Generic;
3using UnityEngine;
4
5public class rally : MonoBehaviour
6{
7    public GameObject Ball;
8    public ball script;
9    public player playerpro;
10    public float speedZ = 1000f;       //スピード
11    public float speedY = 8000f;
12    Vector3 sliderDirection = new Vector3(0f, 1f, -1f);
13    int changePower = 700;
14    Vector3 sliderDirection2 = new Vector3(0f, 0f, -1.5f);
15    Vector3 sliderDirection3 = new Vector3(0f, 0f, -0.12625f);
16    Vector3 sliderDirection4 = new Vector3(0.4f, 0f, 0.3f);
17    Vector3 sliderDirection5 = new Vector3(0f, 0f, -0.3f);
18    Vector3 sliderDirection6 = new Vector3(0.05f, 0f, -1.6f);
19    Vector3 sliderDirection7 = new Vector3(0.02f, 0f, 2f);
20    Vector3 sliderDirection8 = new Vector3(0f, -1f, 3f);
21
22    // Start is called before the first frame update
23    void Start()
24    {
25        StartCoroutine("move");
26    }
27
28    // Update is called once per frame
29    void Update()
30    {
31        if(playerpro.shoot == true)
32        {
33            script.enter = false;
34        }
35
36    }
37    
38    IEnumerator move()
39    {
40        while(script.enter == true)
41        {
42            transform.position = new Vector3(script.sphere.transform.position.x, 0f, 0f);
43
44            
45            yield return null;
46        }
47        StartCoroutine("moveII");
48        
49
50
51
52
53    }
54    IEnumerator moveII()
55    {
56        while (script.enter == false)
57        {
58            transform.position = new Vector3(script.sphere.transform.position.x, script.sphere.transform.position.y, script.transform.position.z);
59
60
61            yield return null;
62        }
63        StartCoroutine("moveI");
64
65
66
67
68
69    }
70    private void OnCollisionEnter(Collision col)
71    {
72        playerpro.shoot = true;
73        if (col.gameObject.tag == "Ball")
74        {
75            Vector3 Force;
76            Force = new Vector3(0, speedY * -1f, speedZ * -1f);
77            Ball.GetComponent<Rigidbody>().AddForce(Force * -1f, ForceMode.Impulse);
78          
79
80           
81            if (Input.GetKey(KeyCode.N))
82            {
83
84                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection2 * changePower);//ボールに力を加え
85            }
86            if (Input.GetKey(KeyCode.B))
87            {
88
89                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection3 * changePower);//ボールに力を加え
90            }
91            if (Input.GetKey(KeyCode.V))
92            {
93
94                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection4 * changePower);//ボールに力を加え
95            }
96            if (Input.GetKey(KeyCode.C))
97            {
98
99                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection6 * changePower);//ボールに力を加え
100            }
101            if (Input.GetKey(KeyCode.X))
102            {
103
104                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection7 * changePower);//ボールに力を加え
105            }
106            if (Input.GetKey(KeyCode.Z))
107            {
108
109                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection8 * changePower);//ボールに力を加え
110            }
111        }
112    }
113}
114

c#
1//上のプログラムのballに該当する部分です.ちなみにボールの高度は24.7ではないです
2using System.Collections;
3using System.Collections.Generic;
4using UnityEngine;
5
6public class ball : MonoBehaviour
7{ Rigidbody rb;
8    public bool enter;
9    public Transform sphere;
10    // Start is called before the first frame update
11    void Start()
12    {
13         rb = GetComponent<Rigidbody>();
14        enter = true;
15    }
16
17    // Update is called once per frame
18    void Update()
19    {
20        
21    }
22   void OnTriggerEnter(Collider col)
23    {
24       
25        if(col.gameObject.tag == "drag")
26        {
27            enter = true;
28            Debug.Log("in");
29            Vector3 sliderDirection = new Vector3(0f, -0.8f, 0f);
30            int changePower = 10; //変化させる力
31            rb.AddForce(sliderDirection * changePower);//ボールに力を加える
32        }
33       
34    }
35    private void OnTriggerExit(Collider col)
36    {
37        if (col.gameObject.tag == "drag")
38        {
39            
40            Vector3 sliderDirection = new Vector3(0f, -0.1f, 0f);
41            int changePower = 100; //変化させる力
42            rb.AddForce(sliderDirection * changePower);//ボールに力を加える
43        }
44
45    }
46    private void OnCollisionEnter(Collision col)
47    {
48        if(col.gameObject.tag == "in")
49        {
50            enter = false;
51        }
52    }
53}
54
55```c#
56
57```c#
58//一番上のスクリプトのplayerproの部分です
59using System.Collections;
60using System.Collections.Generic;
61using UnityEngine;
62
63public class player : MonoBehaviour
64{
65    public GameObject Ball;
66    public bool shoot;//ボール
67    public float speedZ = 1000f;       //スピード
68    public float speedY = 8000f;
69    Vector3 sliderDirection = new Vector3(0f, 1f, -1f);
70    int changePower = 700;
71    Vector3 sliderDirection2 = new Vector3(0f, 1.25f,  -1.5f);
72    Vector3 sliderDirection3 = new Vector3(0f, 1.55f, -0.12625f);
73    Vector3 sliderDirection4 = new Vector3(0.4f, 0.5f, 0.3f);
74    Vector3 sliderDirection5 = new Vector3(0f, 1.4f, -0.3f);
75    Vector3 sliderDirection6 = new Vector3(0.05f, 0f, -1.6f);
76    Vector3 sliderDirection7 = new Vector3(0.02f, 0f, 2f);
77    Vector3 sliderDirection8 = new Vector3(0f, -1f, 3f);
78
79    void Update()
80    {
81        if (Input.GetKey(KeyCode.W))
82        {
83            transform.position += transform.forward * -0.15f;
84       
85        }
86        if (Input.GetKey(KeyCode.S))
87        {
88            transform.position += transform.forward * 0.15f;
89
90        }
91        if (Input.GetKey(KeyCode.A))
92        {
93            transform.position += transform.right * 0.15f;
94
95        }
96        if (Input.GetKey(KeyCode.D))
97        {
98            transform.position += transform.right * -0.15f;
99
100        }
101
102        if (Input.GetKey(KeyCode.Q))
103        {
104            transform.Rotate(0, -10, 0);
105        }
106        if (Input.GetKey(KeyCode.E))
107        {
108            transform.Rotate(0, 10, 0);
109        }
110    }
111    private void OnCollisionEnter(Collision col)
112    {
113        shoot = true;
114        if (col.gameObject.tag == "Ball")
115        {
116            Vector3 Force;
117            Force = new Vector3(0, speedY*-1f, speedZ*-1f);
118            Ball.GetComponent<Rigidbody>().AddForce(Force*-1f, ForceMode.Impulse);
119            Ball.GetComponent<Rigidbody>().AddForce(sliderDirection5 * changePower);//ボールに力を加え
120
121            if (Input.GetKey(KeyCode.M))
122            {
123
124                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection * changePower);//ボールに力を加え
125            }
126            if (Input.GetKey(KeyCode.N))
127            {
128
129                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection2 * changePower);//ボールに力を加え
130            }
131            if (Input.GetKey(KeyCode.B))
132            {
133
134                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection3 * changePower);//ボールに力を加え
135            }
136            if (Input.GetKey(KeyCode.V))
137            {
138
139                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection4 * changePower);//ボールに力を加え
140            }
141            if (Input.GetKey(KeyCode.C))
142            {
143
144                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection6 * changePower);//ボールに力を加え
145            }
146            if (Input.GetKey(KeyCode.X))
147            {
148
149                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection7 * changePower);//ボールに力を加え
150            }
151            if (Input.GetKey(KeyCode.Z))
152            {
153
154                Ball.GetComponent<Rigidbody>().AddForce(sliderDirection8 * changePower);//ボールに力を加え
155            }
156        }
157    }
158}
159
160


### 試したこと

手動操作で移動確認をしました.おそらく１個目のプログラムのIEnumerator move()とIEnumerator moveII()
が理由だと思いますが理由はわかりません.
### 補足情報（FW/ツールのバージョンなど）

unityのバージョンは2020.1.3f1です