編集履歴

質問編集履歴

2021/04/26 03:27

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@@ -612,18 +612,18 @@
+ここでcosを求めないといけませんでした。
+```c#
 var en_up = transform.up;
 var en_to_pi = (playerPos.transform.position-transform.position);
-ここでcosを求めないといけませんでした。
-```c#
 var cos = Vector3.Dot(en_up,en_to_pi)/(en_up.magnitude*en_to_pi.magnitude );
 var deg = Mathf.Rad2Deg * Mathf.Acos(cos);

2021/04/26 03:26

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@@ -620,6 +620,14 @@
 ここでcosを求めないといけませんでした。
+```c#
 var cos = Vector3.Dot(en_up,en_to_pi)/(en_up.magnitude*en_to_pi.magnitude );
 var deg = Mathf.Rad2Deg * Mathf.Acos(cos);
+```

2021/04/26 03:25

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@@ -454,7 +454,7 @@
-### 追記
+### 追記1
@@ -603,3 +603,23 @@
 }
 ```
+### 追記2
+そもそもコードが違いました。
+var en_up = transform.up;
+var en_to_pi = (playerPos.transform.position-transform.position);
+ここでcosを求めないといけませんでした。
+var cos = Vector3.Dot(en_up,en_to_pi)/(en_up.magnitude*en_to_pi.magnitude );
+var deg = Mathf.Rad2Deg * Mathf.Acos(cos);

era-

2021/04/26 03:24

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@@ -598,4 +598,8 @@
         }
+    }
+}
 ```

おういえす

2021/04/25 05:52

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@@ -458,7 +458,7 @@
+変更後のコード
 ```C#

era-NullReferenceException: Object reference not set to an instance of an object PlayerMove.Update (

2021/04/25 05:49

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@@ -451,3 +451,151 @@
 どうか回答お願いします。
+### 追記
+```C#
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+public class Enemy_Move : RandomMove
+{
+    [SerializeField] Enemy_Status enemy;        // ステータス
+    [SerializeField] Enemy_Collision enemyColl; // 探索範囲
+    Transform my_Vec;     // 自身の座標
+    Quaternion direction; // 向き
+    GameObject playerPos;
+    private void Start()
+    {
+        playerPos =  Player.player;
+        my_Vec = transform;
+        my_Vec.rotation = direction;
+    }
+    void Update()
+    {
+        var a = transform.up.normalized;
+        var b = (playerPos.transform.position - transform.position).normalized;
+        var dot = Vector3.Dot(a, b);
+        var rad = Mathf.Rad2Deg * dot;/*Mathf.Acos(dot)*/
+        if(rad <= 60 || rad >= -60)  {
+            if (NowAct != null) {//NowActの中がnullでない場合、非追従処理が走っている可能性が高い。→非追従処理を止めて、破棄。
+                StopCoroutine(NowAct);
+                NowAct = null;
+            }
+            //print("ラジアン値"+rad);
+            print("視界に入っている");
+            if(rad != 0)  {
+                var now_Z = transform.localRotation.eulerAngles.z;//現在角度.z
+                var new_Z = now_Z + (-playerPos.transform.rotation.z);//目標角度.z
+                float rotspeed = 3;//回転速度
+                float f = 0;//回転進行度
+                while (f <= 1) {
+                    f += Time.deltaTime * rotspeed;
+                    gameObject.transform.rotation = Quaternion.Euler(0, 0, Mathf.LerpAngle(now_Z, new_Z, f));
+                }
+                // 追従
+                my_Vec.position += (Enemy_Collision.playerPos - transform.position) * enemy.enemy_Speed;
+                transform.position += my_Vec.position * Time.deltaTime;
+            }
+            return;
+        }
+        else  {
+            if (NowAct == null) {// ランダムに回転・移動
+                NowAct = Nolock_Action();
+                StartCoroutine(NowAct);
+            }
+        }
+```

せいや

2021/04/25 05:48

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@@ -16,8 +16,56 @@
+Enemy_Move
 ```C#
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+public class Enemy_Move : RandomMove
+{
+    [SerializeField] Enemy_Status enemy;        // ステータス
+    [SerializeField] Enemy_Collision enemyColl; // 探索範囲
+    Transform my_Vec;     // 自身の座標
+    Quaternion direction; // 向き
+    GameObject playerPos;
+    private void Start()
+    {
+        playerPos =  Player.player;
+        my_Vec = transform;
+        my_Vec.rotation = direction;
+    }
+    void Update()
+    {
         var a = transform.up.normalized;
         var b = (playerPos.transform.position - transform.position).normalized;
@@ -30,14 +78,92 @@
+        if(rad <= 60 || rad >= -60)  {
+            if (NowAct != null) {//NowActの中がnullでない場合、非追従処理が走っている可能性が高い。→非追従処理を止めて、破棄。
+                StopCoroutine(NowAct);
+                NowAct = null;
+            }
+            print("視界内");
+            if(rad != 0)  {
+                var now_Z = transform.localRotation.eulerAngles.z;//現在角度.z
+                var new_Z = now_Z + (-playerPos.transform.rotation.z);//目標角度.z
+                float rotspeed = 3;//回転速度
+                float f = 0;//回転進行度
+                while (f <= 1) {
+                    f += Time.deltaTime * rotspeed;
+                    gameObject.transform.rotation = Quaternion.Euler(0, 0, Mathf.LerpAngle(now_Z, new_Z, f));
+                }
+                // 追従
+                my_Vec.position += (Enemy_Collision.playerPos - transform.position) * enemy.enemy_Speed;
+                transform.position += my_Vec.position * Time.deltaTime;
+            }
+            return;
+        }
+        else  {
+            if (NowAct == null) {// ランダムに回転・移動
+                NowAct = Nolock_Action();
+                StartCoroutine(NowAct);
+            }
+        }
+    }
+}
 ```
-Enemy_Move
 ```C#
 using System.Collections;
@@ -48,41 +174,255 @@
-public class Enemy_Move : RandomMove
+public class RandomMove : MonoBehaviour
 {
-    [SerializeField] Enemy_Status enemy;        // ステータス
+    protected IEnumerator NowAct;
-    [SerializeField] Enemy_Collision enemyColl; // 探索範囲
+    protected IEnumerator Now_Direction;
+    /// <summary>
+    /// 非捕捉状態のときの挙動
-    Transform my_Vec;     // 自身の座標
+    /// </summary>
-    Quaternion direction; // 向き
+    protected IEnumerator Nolock_Action()
-    GameObject playerPos;
-    private void Start()
     {
-        playerPos =  Player.player;
-        my_Vec = transform;
-        my_Vec.rotation = direction;
-    }
-    void Update()
-    {
+        var now_Z = transform.localRotation.eulerAngles.z;//現在角度.z
+        var new_Z = now_Z + Random.Range(60f, -60f);//目標角度.z
+        float rotspeed = 3;//回転速度
+        float f = 0;//回転進行度
+        while (f <= 1) {
+            f += Time.deltaTime * rotspeed;
+            gameObject.transform.rotation = Quaternion.Euler(0, 0, Mathf.LerpAngle(now_Z, new_Z, f));
+            yield return null;
+        }
+        float speed;// 移動スピード
+        float speed_Max = 4f;
+        float time = 0;//移動時間
+        float time_Max = 3;
+        uint move_sens = 0x00000001;
+        speed = Random.Range(0, speed_Max);
+        while (time < time_Max) {
+            var delta = Time.deltaTime;
+            time += delta;
+            var puls = (speed * delta) * move_sens;
+            transform.Translate(0, puls, 0);
+            yield return null;
+        }
+        NowAct = null;
+    }
+    /// <summary>
+    /// プレイヤーを追従
+    /// </summary>
+    /// <returns></returns>
+    protected IEnumerator PlayerDirection()  {
+        var now_rot = transform.localRotation.eulerAngles.z;// 今の角度
+        var goal_rot = Enemy_Collision.playerPos.z;  　　　 // 変更するまでの角度
+        float rotSpeed = 2f;
+        float f = 0f;
+        while (f <= 1) {
+            f += Time.deltaTime * rotSpeed;
+            gameObject.transform.rotation = Quaternion.Euler(0, 0, Mathf.LerpAngle(now_rot, goal_rot, f));
+            Vector3 target = (Enemy_Collision.playerPos - transform.position).normalized;
+            if (Vector3.Dot(target, transform.forward.normalized) < -0.9) {
+                print("回転終了！");
+                break;
+            }
+            yield return null;
+        }
+        Now_Direction = null;
+    }
+}
+```
+```C#
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+[CreateAssetMenu(fileName = "Enemy", menuName = "ScriptableObjects/CreateAsset")]
+public class Enemy_Status : ScriptableObject
+{
+    public float enemy_Speed = 0.1f;// スピード
+}
+```
+```C#
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+public class Enemy_Collision : MonoBehaviour
+{
+    public bool follow { get; private set; }      // フォロー中か？
+    public static Vector3 playerPos { get; private set; }//プレイヤーの座標
+    private void OnTriggerStay2D(Collider2D collision) {
+        if (collision.CompareTag("Player"))  {
+            follow = true;
+            playerPos = collision.transform.position;
+        }
+    }
+    private void OnTriggerExit2D(Collider2D collision) {
+        if (collision.CompareTag("Player"))  {
+            follow = false;
+        }
+    }
+}
+```
+↓ここで内積を求めて、視覚内に入っているかどうかを確認する。
+```C#
         var a = transform.up.normalized;
@@ -96,344 +436,18 @@
-        if(rad <= 60 || rad >= -60)  {
-            if (NowAct != null) {//NowActの中がnullでない場合、非追従処理が走っている可能性が高い。→非追従処理を止めて、破棄。
-                StopCoroutine(NowAct);
-                NowAct = null;
-            }
-            print("視界に入っている");
-            if(rad != 0)  {
-                var now_Z = transform.localRotation.eulerAngles.z;//現在角度.z
-                var new_Z = now_Z + (-playerPos.transform.rotation.z);//目標角度.z
-                float rotspeed = 3;//回転速度
-                float f = 0;//回転進行度
-                while (f <= 1) {
-                    f += Time.deltaTime * rotspeed;
-                    gameObject.transform.rotation = Quaternion.Euler(0, 0, Mathf.LerpAngle(now_Z, new_Z, f));
-                }
-                // 追従
-                my_Vec.position += (Enemy_Collision.playerPos - transform.position) * enemy.enemy_Speed;
-                transform.position += my_Vec.position * Time.deltaTime;
-            }
-            return;
-        }
-        else  {
-            if (NowAct == null) {// ランダムに回転・移動
-                NowAct = Nolock_Action();
-                StartCoroutine(NowAct);
-            }
-        }
-    }
-}
 ```
-```C#
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-public class RandomMove : MonoBehaviour
-{
-    protected IEnumerator NowAct;
-    protected IEnumerator Now_Direction;
-    /// <summary>
-    /// 非捕捉状態のときの挙動
-    /// </summary>
-    protected IEnumerator Nolock_Action()
-    {
-        var now_Z = transform.localRotation.eulerAngles.z;//現在角度.z
-        var new_Z = now_Z + Random.Range(60f, -60f);//目標角度.z
-        float rotspeed = 3;//回転速度
-        float f = 0;//回転進行度
-        while (f <= 1) {
-            f += Time.deltaTime * rotspeed;
-            gameObject.transform.rotation = Quaternion.Euler(0, 0, Mathf.LerpAngle(now_Z, new_Z, f));
-            yield return null;
-        }
-        float speed;// 移動スピード
-        float speed_Max = 4f;
+そのあと角度を見て、足りない分回転をします。
-        float time = 0;//移動時間
-        float time_Max = 3;
-        uint move_sens = 0x00000001;
-        speed = Random.Range(0, speed_Max);
-        while (time < time_Max) {
-            var delta = Time.deltaTime;
-            time += delta;
-            var puls = (speed * delta) * move_sens;
-            transform.Translate(0, puls, 0);
-            yield return null;
-        }
-        NowAct = null;
-    }
-    /// <summary>
-    /// プレイヤーを追従
-    /// </summary>
-    /// <returns></returns>
-    protected IEnumerator PlayerDirection()  {
-        var now_rot = transform.localRotation.eulerAngles.z;// 今の角度
-        var goal_rot = Enemy_Collision.playerPos.z;  　　　 // 変更するまでの角度
-        float rotSpeed = 2f;
-        float f = 0f;
-        while (f <= 1) {
-            f += Time.deltaTime * rotSpeed;
-            gameObject.transform.rotation = Quaternion.Euler(0, 0, Mathf.LerpAngle(now_rot, goal_rot, f));
-            Vector3 target = (Enemy_Collision.playerPos - transform.position).normalized;
-            if (Vector3.Dot(target, transform.forward.normalized) < -0.9) {
-                print("回転終了！");
-                break;
-            }
-            yield return null;
-        }
-        Now_Direction = null;
-    }
-}
-```
-```C#
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-[CreateAssetMenu(fileName = "Enemy", menuName = "ScriptableObjects/CreateAsset")]
-public class Enemy_Status : ScriptableObject
-{
-    public float enemy_Speed = 0.1f;// スピード
-}
-```
-```C#
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-public class Enemy_Collision : MonoBehaviour
-{
-    public bool follow { get; private set; }      // フォロー中か？
+そのあとに追従をするように書いたのですが、赤い範囲の中に入っていないにも関わらず、視界内とコンソールに表示されます。どうしてでしょうか？
-    public static Vector3 playerPos { get; private set; }//プレイヤーの座標
-    private void OnTriggerStay2D(Collider2D collision) {
-        if (collision.CompareTag("Player"))  {
-            follow = true;
-            playerPos = collision.transform.position;
-        }
+、
-    }
-    private void OnTriggerExit2D(Collider2D collision) {
-        if (collision.CompareTag("Player"))  {
-            follow = false;
-        }
-    }
-}
-```
 どうか回答お願いします。