[refact] 도망 로직 개선, 코루틴 최적화

- 몬스터가 텔레포트로 도망칠 위치를 에디터에서 수정할 수 있도록 개선
- 플레이어와 거리 계산 최적화
- 코루틴에서 사용하는 WaitForSecond 객체 캐싱 유틸 추가

Work in JIRA ISSUE #DEG-100

Assets/Scripts/Character/Enemy/CasterDemonController.cs

@@ -16,7 +16,6 @@ public class CasterDemonController : EnemyController
     public static readonly int Spin = Animator.StringToHash("Spin");
 
     private bool _doneBattleSequence = true;
-    private bool _isFirstNoPath = true;
 
     private Coroutine _currentSequence;
 
@@ -24,7 +23,7 @@ public class CasterDemonController : EnemyController
     [SerializeField] private Transform bulletShotPosition;
     [SerializeField] private GameObject magicMissilePrefab;
     [SerializeField] private GameObject teleportEffectPrefab;
-
+    [SerializeField] private Vector3 teleportTargetPosition = Vector3.zero;
     [Header("각종 데미지 이펙트 세트")]
     [SerializeField] private GameObject chariotWarning;
     [SerializeField] private GameObject chariotEffect;
@@ -33,15 +32,13 @@ public class CasterDemonController : EnemyController
     [SerializeField] private GameObject slowFieldWarning;
     [SerializeField] private GameObject slowFieldEffect;
 
-    // private float _teleportDistance = 4f; // 플레이어 뒤로 떨어질 거리
-
     // 텔레포트 쿨타임 처음엔 빨리 사용 가능함
     private float _teleportTimer = 10f;
     private const float TeleportThresholdTime = 20f;
 
     // 다음 행동 생각 처음엔 즉시 실행
     private float _tinkingTimer = 3f;
-    private float _tinkingThresholedTime = 3f;
+    private float _thinkingThresholdTime = 3f;
 
     // 프로퍼티
     private bool CanTeleport {
@@ -59,7 +56,7 @@ public class CasterDemonController : EnemyController
     {
         get
         {
-            if (_tinkingTimer >= _tinkingThresholedTime)
+            if (_tinkingTimer >= _thinkingThresholdTime)
             {
                 _tinkingTimer = 0;
                 return true;
@@ -68,6 +65,7 @@ public class CasterDemonController : EnemyController
         }
     }
 
+
     private void LateUpdate()
     {
         _teleportTimer += Time.deltaTime;
@@ -82,8 +80,7 @@ public class CasterDemonController : EnemyController
             // 전투 행동 시작
             _doneBattleSequence = false;
 
-            // TODO : 배틀 중일 때 루프
-            // Debug.Log("## 몬스터의 교전 행동 루프");
+            // 사용할 공격 생각하기
             Thinking();
         }
     }
@@ -99,14 +96,14 @@ public class CasterDemonController : EnemyController
             case 2:
             case 3:
             case 4:
+                SetSequence(RunPattern(ShotMagicMissile));
+                break;
             case 5:
             case 6:
             case 7:
-                SetSequence(ShotMagicMissile());
-                break;
             case 8:
             case 9:
-                SetSequence(SlowFieldSpell());
+                SetSequence(RunPattern(SlowFieldSpell));
                 break;
         }
 
@@ -116,11 +113,11 @@ public class CasterDemonController : EnemyController
     {
         if (CanTeleport)
         {
-            action();
+            action.Invoke();
             Teleport();
             return;
         }
-        SetSequence(KnockbackSpell());
+        SetSequence(RunPattern(KnockbackSpell));
     }
 
     private IEnumerator ShotMagicMissile()
@@ -142,12 +139,11 @@ public class CasterDemonController : EnemyController
             missile.GetComponent<MagicMissile>()
                 .Initialize(new BulletData(aimPosition, 5f, 10f, 5f));
 
-            yield return new WaitForSeconds(0.4f);
+            yield return Wait.For(0.4f);
         }
 
         // 짧은 텀 후 끝내기
-        yield return new WaitForSeconds(1f);
-        _doneBattleSequence = true;
+        yield return Wait.For(1f);
     }
 
     private Vector3 TargetPosOracle(out Vector3 basePos, out Rigidbody rb)
@@ -191,8 +187,8 @@ public class CasterDemonController : EnemyController
 
         aoe.SetEffect(effectData, null, null);
 
-        // 중앙으로 이동
-        Agent.Warp(Vector3.zero);
+        // 텔레포트 타겟 위치로 이동
+        Agent.Warp(teleportTargetPosition);
         SetAnimation(Telepo);
 
         if (teleportEffectPrefab != null)
@@ -220,11 +216,9 @@ public class CasterDemonController : EnemyController
         var warning = Instantiate(chariotWarning, fixedPos, Quaternion.identity).GetComponent<MagicAoEField>();
 
         warning.SetEffect(effectData, null, null);
-        // TODO : 효과 적용
 
         // 3. 짧은 텀 후 끝내기
-        yield return new WaitForSeconds(1f);
-        _doneBattleSequence = true;
+        yield return Wait.For(1f);
     }
 
     private IEnumerator KnockbackSpell()
@@ -245,8 +239,7 @@ public class CasterDemonController : EnemyController
         var knockback = Instantiate(chariotWarning, transform).GetComponent<MagicAoEField>();
         knockback.SetEffect(effectData, null, null, DebuffType.Knockback.ToString());
 
-        yield return new WaitForSeconds(1f);
-        _doneBattleSequence = true;
+        yield return Wait.For(1f);
     }
 
     private void SetSequence(IEnumerator newSequence)
@@ -258,4 +251,9 @@ public class CasterDemonController : EnemyController
         _currentSequence = StartCoroutine(newSequence);
     }
 
-}
+    private IEnumerator RunPattern(Func<IEnumerator> pattern)
+    {
+        yield return StartCoroutine(pattern());
+        _doneBattleSequence = true;
+    }
+}

Assets/Scripts/Character/Enemy/EnemyState/Caster/EnemyStateFlee.cs

@@ -7,8 +7,11 @@ public class EnemyStateFlee :IEnemyState
 {
     private EnemyController _enemyController;
     private Transform _playerTransform;
-    private float _fleeDistance = 10f;   // 도망치는 거리
     private float _attackRange = 7f;    // 공격 범위
+    private float _fleeDistance = 15f;   // 도망치는 거리
+
+    private float _attackRangeSqr;
+    private float _fleeDistanceSqr;
 
     // 경로 탐색 주기 조절용
     private float _fleeSearchTimer = 0;
@@ -33,6 +36,9 @@ public class EnemyStateFlee :IEnemyState
         _stuckTimer = 0f;
         _fleeSearchTimer = 0;
 
+        _attackRangeSqr = _attackRange * _attackRange;
+        _fleeDistanceSqr = _fleeDistance * _fleeDistance;
+
         _enemyController.SetAnimation(CasterDemonController.Flee, true);
     }
 
@@ -44,11 +50,17 @@ public class EnemyStateFlee :IEnemyState
             return;
         }
 
-        float currentDist = Vector3.Distance(
-            _enemyController.transform.position,
-            _playerTransform.position
-        );
-        if (currentDist >= _attackRange)
+        float currentDist = (_enemyController.transform.position - _playerTransform.position).sqrMagnitude;
+
+        if (currentDist >= _fleeDistanceSqr)
+        {
+            _enemyController.Agent.isStopped = true;
+            _enemyController.Agent.ResetPath();
+            _enemyController.SetState(EnemyState.Idle);
+            return;
+        }
+
+        if (currentDist >= _attackRangeSqr)
         {
             // 목적지 리셋 후 전투 시작
             _enemyController.Agent.isStopped = true;
@@ -74,8 +86,8 @@ public class EnemyStateFlee :IEnemyState
 
     private void CheckPath()
     {
-        float moved = Vector3.Distance(_enemyController.transform.position, _lastPosition);
-        if (moved < StuckMoveThreshold)
+        float moved = (_enemyController.transform.position - _lastPosition).sqrMagnitude;
+        if (moved < StuckMoveThreshold * StuckMoveThreshold)
         {
             _stuckTimer += Time.deltaTime;
             if (_stuckTimer >= StuckThresholdTime)
@@ -95,14 +107,12 @@ public class EnemyStateFlee :IEnemyState
         _fleeSearchTimer += Time.deltaTime;
         if (_fleeSearchTimer <= FleeThresholdTime) return;
 
-        // 1) 목표 도망 위치 계산
+        // 플레이어 반대방향으로 도망
         Vector3 fleeDirection = (_enemyController.transform.position - _playerTransform.position).normalized;
         Vector3 fleeTarget = _enemyController.transform.position + fleeDirection * _fleeDistance;
 
-        // 2) 경로 계산해 보기
+        // 경로 설정
         _enemyController.Agent.SetDestination(fleeTarget);
-
-        // 3) 이동
         _enemyController.Agent.isStopped = false;
         _fleeSearchTimer = 0;
     }

Assets/Scripts/Utils.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 6757ce2a26e44e9c931666533e7e8036
+timeCreated: 1746594438

Assets/Scripts/Utils/Wait.cs

@@ -0,0 +1,18 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+// 코루틴의 WaitForSeconds를 캐싱하는 유틸
+public static class Wait
+{
+    private static readonly Dictionary<float, WaitForSeconds> _waits = new();
+
+    public static WaitForSeconds For(float seconds)
+    {
+        if (!_waits.TryGetValue(seconds, out var wait))
+        {
+            wait = new WaitForSeconds(seconds);
+            _waits[seconds] = wait;
+        }
+        return wait;
+    }
+}

Assets/Scripts/Utils/Wait.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: e6fe7172532f42069e3fc7088ebd0718
+timeCreated: 1746594464