妥協案

慣性をゼロにして蜘蛛と重ならないようにする

Assets/Animation/SpiderAnim.controller

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Assets/_Scenes/BossStage.unity

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   maxHp: 500
   currentHp: 500
   chaseRange: 15
-  biteRange: 4
+  biteRange: 5
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   groundAnchor: {fileID: 1519524653}
   attackRadius: 10
@@ -716,7 +716,7 @@ NavMeshAgent:
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   avoidancePriority: 50
   m_AngularSpeed: 120
-  m_StoppingDistance: 0
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Assets/_Scripts/BossController.cs

@@ -11,7 +11,7 @@ public class BossController : MonoBehaviour
     [SerializeField] private float maxHp = 500f;
     [SerializeField] private float currentHp = 500f;
     [SerializeField] public float chaseRange = 15f;
-    [SerializeField] public float biteRange = 2.5f;
+    [SerializeField] public float biteRange = 8f;
 
     [Header("必殺技（天井）設定")]
     [Tooltip("天井の待機座標となる空のGameObjectのTransformを指定してください")]
@@ -30,6 +30,20 @@ public class BossController : MonoBehaviour
     [SerializeField] public float chargeDuration = 2f;
     [SerializeField] public float chargeMinimumDistance = 6f;
     [SerializeField] public float chargeCooldownDuration = 4f;
+
+    // ─── ボス固有の通常移動パラメーター（Start時に自動キャッシュされます） ───
+    public float NormalSpeed { get; private set; }
+    public float NormalAcceleration { get; private set; }
+
+    private void Start()
+    {
+        // インセペクターで設定されたNavMeshAgentの初期値を記憶しておく
+        if (Agent != null)
+        {
+            NormalSpeed = Agent.speed;
+            NormalAcceleration = Agent.acceleration;
+        }
+    }
     #endregion
 
     #region コンポーネント・キャッシュ用（ステートからアクセス可能）
@@ -83,16 +97,12 @@ public class BossController : MonoBehaviour
     {
         currentState?.UpdateState();
 
-        // ★新設：突進のクールダウンのみ、通常のUpdateで常に独立して減算する
         if (ChargeCooldownTimer > 0f)
         {
             ChargeCooldownTimer -= Time.deltaTime;
         }
     }
 
-    /// <summary>
-    /// オブジェクト指向に基づいた、型安全なステート遷移メソッド
-    /// </summary>
     public void ChangeState<T>() where T : ISpiderState
     {
         if (currentState != null)

Assets/_Scripts/SpiderIdleState.cs

@@ -1,8 +1,5 @@
 using UnityEngine;
 
-// ==========================================
-// ■ STATE: IDLE (待機状態)
-// ==========================================
 public class SpiderIdleState : ISpiderState
 {
     private BossController boss;
@@ -23,15 +20,6 @@ public class SpiderIdleState : ISpiderState
     }
 }
 
-// ==========================================
-// ■ STATE: CHASE (追跡・行動分岐状態)
-// ==========================================
-// ==========================================
-// ■ STATE: CHASE (追跡・行動分岐状態) - 13x13ステージ最適化版
-// ==========================================
-// ==========================================
-// ■ STATE: CHASE (遠距離即座突進・最適化版)
-// ==========================================
 public class SpiderChaseState : ISpiderState
 {
     private BossController boss;
@@ -47,7 +35,7 @@ public class SpiderChaseState : ISpiderState
 
         float distance = Vector3.Distance(boss.transform.position, boss.Player.position);
 
-        // ─── ★最優先判定：遠距離（6m以上）かつクールダウン終了 ➔ 1歩も歩かずに即突進 ───
+        // 6m以上かつクールダウン終了 ➔ 1歩も歩かずに即突進
         if (distance >= boss.chargeMinimumDistance && boss.ChargeCooldownTimer <= 0f)
         {
             boss.ChangeState<SpiderChargeState>();
@@ -61,15 +49,13 @@ public class SpiderChaseState : ISpiderState
             return;
         }
 
-        // 判定3：中間距離（2.5m～6m）、または遠距離だけどクールダウン中の場合
-        // 💡 ここで初めて「通常歩き（Walk）」でじりじりとプレイヤーに近づきます
         boss.Agent.SetDestination(boss.Player.position);
         boss.Anim.SetFloat("Speed", boss.Agent.velocity.magnitude);
     }
 }
 
 // ==========================================
-// ■ STATE: BITE (通常噛みつき - パリィ可)
+// ■ STATE: BITE (完全足止め・めり込み防止版)
 // ==========================================
 public class SpiderBiteState : ISpiderState
 {
@@ -80,31 +66,33 @@ public class SpiderBiteState : ISpiderState
 
     public void EnterState()
     {
-        stateTimer = 1.5f; // 攻撃アニメーションの想定想定想定
+        stateTimer = 1.5f; 
+        
+        // ★超重要：噛みつきモーションに入った瞬間、移動を「完全強制停止」してめり込みを防ぐ
+        boss.Agent.isStopped = true; 
+        boss.Agent.velocity = Vector3.zero; // 慣性もゼロにする
+
         boss.Anim.SetTrigger("Attack_Bite");
-        Debug.Log("🎯 蜘蛛ボス：噛みつき攻撃！（パリィ受付中）");
+        Debug.Log("🎯 蜘蛛ボス：噛みつき攻撃！（その場に完全固定）");
     }
 
-    public void ExitState() { }
+    public void ExitState()
+    {
+        // ステートを出るときに停止ロックを解除する
+        boss.Agent.isStopped = false;
+    }
 
     public void UpdateState()
     {
         stateTimer -= Time.deltaTime;
         if (stateTimer <= 0f)
         {
-            // 攻撃が終わったら、フェーズ移行チェックを挟みつつ追跡に戻る
             if (boss.PendingUltimate) boss.ChangeState<SpiderJumpToCeilingState>();
             else boss.ChangeState<SpiderChaseState>();
         }
     }
 }
 
-// ==========================================
-// ■ STATE: CHARGE (走って体当たり突進 - パリィ可)
-// ==========================================
-// ==========================================
-// ■ STATE: CHARGE (咆哮・溜めロック ➔ ロケット発射)
-// ==========================================
 public class SpiderChargeState : ISpiderState
 {
     private BossController boss;
@@ -117,89 +105,86 @@ public class SpiderChargeState : ISpiderState
 
     public void EnterState()
     {
-        roarTimer = 1.5f; // 咆哮・溜めロックの時間（1.5秒）
+        roarTimer = 1.5f; // 溜め（咆哮）時間
         chargeTimer = boss.chargeDuration;
         isChargingPhase = false;
 
-        boss.Agent.enabled = false; // その場に固定するためNavMeshを即オフ
+        // ★重要：突進の溜め中は、NavMeshAgentの自動移動を「一時停止」にしてその場に固定する
-        boss.ResetChargeCooldown();  // 突進のクールダウンを開始
+        boss.Agent.isStopped = true;
+        boss.ResetChargeCooldown();
 
-        // 1. 遠距離を検知した「その場」で、即座に咆哮威嚇を再生
         boss.Anim.SetTrigger("Attack_Roar");
-        Debug.Log("🔊 蜘蛛ボス：【遠距離検知】その場で咆哮・突進の溜めを開始！");
+        Debug.Log("🔊 蜘蛛ボス：その場で突進の溜め（咆哮）開始");
     }
 
     public void ExitState()
     {
         boss.Anim.SetBool("IsCharging", false);
-        boss.Agent.enabled = true;
+        
+        // ★重要：突進ステートを出るときは、スピードと加速を通常のザコ敵・巡回時の値に必ず戻す
+        boss.Agent.speed = boss.NormalSpeed;
+        boss.Agent.acceleration = boss.NormalAcceleration;
+        boss.Agent.isStopped = false;
     }
 
     public void UpdateState()
     {
-        // ─── フェーズ1：咆哮・溜め（動かずプレイヤーの方向を完全にロック） ───
+        // ─── フェーズ1：咆哮・溜めロックオン（その場で旋回のみ） ───
         if (!isChargingPhase)
         {
             roarTimer -= Time.deltaTime;
             
-            // プレイヤーが動いても、突進直前までずーーっとその方向を向いてロックオンし続ける
             if (boss.Player != null)
             {
                 Vector3 lookDir = (boss.Player.position - boss.transform.position).normalized;
                 lookDir.y = 0;
                 if (lookDir != Vector3.zero)
                 {
-                    // 凄まじい速度でプレイヤーを正面に捉え続ける
                     boss.transform.rotation = Quaternion.Slerp(boss.transform.rotation, Quaternion.LookRotation(lookDir), Time.deltaTime * 10f);
                 }
             }
 
-            // 溜め時間が終わったら「発射」
+            // 溜め終了 ➔ 「発射」の瞬間
             if (roarTimer <= 0f)
             {
                 isChargingPhase = true;
                 boss.Anim.SetTrigger("ChargeStart");
                 boss.Anim.SetBool("IsCharging", true);
 
-                // 発射した瞬間のプレイヤーのベクトルを最終確定（ロック完了）
+                // 1. 発射する直線ベクトルを確定
                 if (boss.Player != null)
                 {
                     chargeDirection = (boss.Player.position - boss.transform.position).normalized;
                     chargeDirection.y = 0;
-                    boss.transform.rotation = Quaternion.LookRotation(chargeDirection);
                 }
-                Debug.Log("🚀 蜘蛛ボス：ロックオン完了、全速力で発射！");
+
+                // 2. ★プロの技：ボスの正面方向の「遥か彼方（例: 20m先）」に、突進の目的地座標を計算
+                Vector3 targetDestination = boss.transform.position + chargeDirection * 20f;
+
+                // 3. ★移動をNavMeshAgentに一任する（超高速化）
+                boss.Agent.isStopped = false;                  // 移動再開
+                boss.Agent.speed = boss.chargeSpeed;          // スピードを全速力（14fなど）に
+                boss.Agent.acceleration = 120f;               // 即座に最高速に達するように加速を爆上げする
+                
+                // 目的地を設定（NavMeshの壁やプレイヤーのCharacterControllerを考慮して自動で進むようになる）
+                boss.Agent.SetDestination(targetDestination);
+
+                Debug.Log("🚀 蜘蛛ボス：NavMesh突進ダッシュ発射！");
             }
             return;
         }
 
-        // ─── フェーズ2：発射（端から端まで全速力ダッシュ） ───
+        // ─── フェーズ2：突進中（NavMeshAgentが自動で走っているので、スクリプト側はタイマーを監視するだけ） ───
-        
-        // 【安全対策：レイキャストによる壁検知】
-        // 13x13ステージの端（壁や柱）に激突してめり込むのを防ぐため、ボスの目の前1.5mに障害物がないかチェック
-        Ray ray = new Ray(boss.transform.position + Vector3.up * 0.5f, chargeDirection);
-        if (Physics.Raycast(ray, 1.5f))
-        {
-            Debug.Log("🔒 蜘蛛ボス：ステージの端（壁）を検知したため、突進を安全に終了します。");
-            boss.ChangeState<SpiderChaseState>();
-            return;
-        }
-
-        // 全速力で直線移動
-        boss.transform.position += chargeDirection * boss.chargeSpeed * Time.deltaTime;
-
         chargeTimer -= Time.deltaTime;
-        if (chargeTimer <= 0f)
+
+        // 壁やプレイヤーに激突して完全に急停止したか、または設定時間が経過したら安全に終了
+        if (chargeTimer <= 0f || boss.Agent.velocity.magnitude < 0.2f && chargeTimer < (boss.chargeDuration - 0.3f))
         {
-            // 時間を駆け抜けたら追跡に戻る
             boss.ChangeState<SpiderChaseState>();
         }
     }
 }
 
-// ==========================================
-// ■ STATE: JUMP TO CEILING (天井への大ジャンプ)
-// ==========================================
 public class SpiderJumpToCeilingState : ISpiderState
 {
     private BossController boss;
@@ -258,9 +243,6 @@ public class SpiderJumpToCeilingState : ISpiderState
     }
 }
 
-// ==========================================
-// ■ STATE: CEILING ATTACK (必殺技：天井糸吐き)
-// ==========================================
 public class SpiderCeilingAttackState : ISpiderState
 {
     private BossController boss;