实现移动平台乘客接口，优化乘客跟随逻辑

Assets/_Game/Scripts/Core/IPassengerReceiver.cs

@@ -0,0 +1,29 @@
+using UnityEngine;
+
+namespace BaseGames.Core
+{
+    /// <summary>
+    /// 移动平台乘客接口。
+    /// 实现此接口的对象可被 <see cref="BaseGames.World.MovingPlatform"/> 携带，
+    /// 无需修改 Transform 父子关系，避免与动画/摄像机/HitBox 系统冲突。
+    ///
+    /// 协议（执行顺序保障）：
+    ///   1. MovingPlatform.FixedUpdate（-300）计算本帧期望位移 delta → 调用 SetPlatformDelta。
+    ///   2. 实现方 FixedUpdate（-200）最前端消费 delta：_rb.position += delta。
+    ///   3. 乘客离开传感器时 MovingPlatform 调用 OnLeavePlatform，继承平台速度防止卡顿。
+    /// </summary>
+    public interface IPassengerReceiver
+    {
+        /// <summary>
+        /// 由 MovingPlatform 每帧推送本帧平台期望位移量（不依赖 MovePosition 是否已执行）。
+        /// 实现方存入待处理字段，在自己的 FixedUpdate 最前端消费，避免与 velocity 冲突。
+        /// </summary>
+        void SetPlatformDelta(Vector2 delta);
+
+        /// <summary>
+        /// 乘客离开平台时调用，传入平台当前帧速度，由实现方叠加到自身速度。
+        /// 防止离台瞬间速度突变产生卡顿。
+        /// </summary>
+        void OnLeavePlatform(Vector2 platformVelocity);
+    }
+}

Assets/_Game/Scripts/Core/IPassengerReceiver.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3f719c44d9262914baec9ba887be8c54
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/_Game/Scripts/Editor/Scene/SceneObjectPlacerTool.cs

@@ -804,6 +804,7 @@ namespace BaseGames.Editor
 
             MovingPlatform platform = GetOrAddComponent<MovingPlatform>(go);
             AssignReference(platform, "_passengerSensor", sensorCol, report);
+            AssignLayerMask(platform, "_passengerLayer", new[] { "Player", "Enemy" }, report);
             AssignObjectArray(platform, "_wayPoints", new Object[] { wpA, wpB }, report);
 
             report.Add("WaypointA / WaypointB 为移动端点，可将其拖出平台并在场景中调整位置。");

Assets/_Game/Scripts/Player/PlayerMovement.cs

@@ -11,7 +11,7 @@ namespace BaseGames.Player
     // 开头能在状态机写入速度之前先应用"强制清零"标记。
     [DefaultExecutionOrder(-200)]
     [RequireComponent(typeof(Rigidbody2D))]
-    public class PlayerMovement : MonoBehaviour
+    public class PlayerMovement : MonoBehaviour, IPassengerReceiver
     {
         [Header("配置")]
         [SerializeField] private PlayerMovementConfigSO _config;
@@ -31,6 +31,7 @@ namespace BaseGames.Player
         // 下一个 FixedUpdate（-200，先于状态机 -100）读取并清零，
         // 防止状态机用旧输入把速度重新写成非零值。
         private bool        _pendingHorizontalZero;
+        private Vector2     _pendingPlatformDelta; // MovingPlatform 推送的本帧位移，在 FixedUpdate 最前端消费
         private bool        _isWallLeft;
         private bool        _isWallRight;
         private bool        _onOneWayPlatform;
@@ -83,6 +84,13 @@ namespace BaseGames.Player
 
         private void FixedUpdate()
         {
+            // 消费移动平台推送的位移（在 velocity 系统之前直接写 position，避免冲突）
+            if (_pendingPlatformDelta != Vector2.zero)
+            {
+                _rb.position       += _pendingPlatformDelta;
+                _pendingPlatformDelta = Vector2.zero;
+            }
+
             // 优先处理来自 Update 的强制清零请求（在状态机 OnStateFixedUpdate 之前执行）。
             if (_pendingHorizontalZero)
             {
@@ -221,6 +229,17 @@ namespace BaseGames.Player
         /// <summary>消耗墙壁土狼时间，防止同一帧被多次触发。</summary>
         public void ConsumeWallCoyote() => _wallCoyoteTimer = 0f;
 
+        // ── IPassengerReceiver ────────────────────────────────────────────────
+        /// <summary>
+        /// MovingPlatform.FixedUpdate(-300) 推送本帧平台位移。
+        /// 在本类 FixedUpdate(-200) 最前端消费，直接写 _rb.position，
+        /// 与 velocity 系统完全隔离，避免 Dynamic Rigidbody 上 MovePosition + velocity 叠加。
+        /// </summary>
+        public void SetPlatformDelta(Vector2 delta) => _pendingPlatformDelta += delta;
+
+        /// <summary>离开移动平台时继承平台速度，防止速度骤变卡顿。</summary>
+        public void OnLeavePlatform(Vector2 platformVelocity) => _rb.velocity += platformVelocity;
+
         // ── 冲刺 ──────────────────────────────────────────────────────────────
         /// <summary>
         /// 施加冲刺速度（DashState/DashState 调用）。

Assets/_Game/Scripts/World/MovingPlatform.cs

@@ -1,5 +1,6 @@
 using System.Collections;
 using System.Collections.Generic;
+using BaseGames.Core;
 using BaseGames.Core.Events;
 using UnityEngine;
 
@@ -7,8 +8,16 @@ namespace BaseGames.World
 {
     /// <summary>
     /// 移动平台。Kinematic Rigidbody2D，支持三种移动模式。
-    /// 乘客跟随：OnTriggerEnter2D 时 SetParent，离开时还原并附加速度。
+    ///
+    /// 乘客跟随（Delta Position 方案，替代 SetParent）：
+    ///   - PassengerSensor（Trigger）检测进入乘客（<see cref="IPassengerReceiver"/>）。
+    ///   - FixedUpdate(-300) 计算本帧期望位移 delta，推送给所有乘客，再执行 MovePosition。
+    ///   - 乘客在自己的 FixedUpdate(-200) 最前端消费 delta：_rb.position += delta。
+    ///   - 乘客离台时通过 OnLeavePlatform 继承平台速度，避免卡顿。
+    ///
+    /// 此方案不修改 Transform 层级，与动画/摄像机/HitBox 系统完全兼容。
     /// </summary>
+    [DefaultExecutionOrder(-300)]
     [RequireComponent(typeof(Rigidbody2D))]
     public class MovingPlatform : MonoBehaviour
     {
@@ -24,15 +33,18 @@ namespace BaseGames.World
         [SerializeField] private VoidEventChannelSO _activationChannel;
 
         [Header("乘客检测")]
-        [SerializeField] private BoxCollider2D _passengerSensor;  // IsTrigger，用于乘客 SetParent
+        [SerializeField] private BoxCollider2D _passengerSensor;  // isTrigger，检测乘客
+        [SerializeField] private LayerMask     _passengerLayer;   // 应包含 Player + Enemy 层
 
-        private Rigidbody2D        _rb;
+        private Rigidbody2D                  _rb;
-        private List<Transform>    _passengers    = new();
+        private readonly List<IPassengerReceiver> _passengers = new();
-        private int                _waypointIndex;
+        private readonly List<IPassengerReceiver> _passengerSnapshot = new(); // 迭代快照，防并发修改
-        private bool               _movingForward = true;
+        private int                          _waypointIndex;
-        private bool               _triggered;
+        private bool                         _movingForward = true;
-        private bool               _waiting;
+        private bool                         _triggered;
-        private WaitForSeconds     _waitForEndpoint;
+        private bool                         _waiting;
+        private Vector2                      _frameVelocity;    // 本帧实际速度，供离台时继承
+        private WaitForSeconds               _waitForEndpoint;
         private readonly CompositeDisposable _subs = new();
 
         private void Awake()
@@ -55,17 +67,40 @@ namespace BaseGames.World
 
         private void FixedUpdate()
         {
-            if (_wayPoints == null || _wayPoints.Length == 0) return;
+            if (_wayPoints == null || _wayPoints.Length == 0)
-            if (_moveType == MoveType.TriggeredLinear && !_triggered) return;
+            {
-            if (_waiting) return;
+                _frameVelocity = Vector2.zero;
+                return;
+            }
+            if (_moveType == MoveType.TriggeredLinear && !_triggered)
+            {
+                _frameVelocity = Vector2.zero;
+                return;
+            }
+            if (_waiting)
+            {
+                _frameVelocity = Vector2.zero;
+                return;
+            }
 
-            MoveTowardsNextWaypoint();
+            MoveAndBroadcast();
         }
 
-        private void MoveTowardsNextWaypoint()
+        private void MoveAndBroadcast()
         {
             var target = (Vector2)_wayPoints[_waypointIndex].position;
             var next   = Vector2.MoveTowards(_rb.position, target, _speed * Time.fixedDeltaTime);
+
+            // 计算期望 delta（在 MovePosition 执行前，不依赖物理步骤是否完成）
+            Vector2 delta = next - _rb.position;
+            _frameVelocity = delta / Time.fixedDeltaTime;
+
+            // 先广播 delta，乘客在下一个 FixedUpdate(-200) 消费
+            _passengerSnapshot.Clear();
+            _passengerSnapshot.AddRange(_passengers);
+            foreach (var r in _passengerSnapshot)
+                r.SetPlatformDelta(delta);
+
             _rb.MovePosition(next);
 
             if (Vector2.Distance(_rb.position, target) < 0.02f)
@@ -103,32 +138,27 @@ namespace BaseGames.World
 
         private void OnTriggered() => _triggered = true;
 
-        // ── Passenger Pattern ─────────────────────────────────────────────────
+        // ── Passenger Detection ───────────────────────────────────────────────
 
         private void OnTriggerEnter2D(Collider2D other)
         {
-            if (!IsPassenger(other.gameObject)) return;
+            if (!IsPassengerLayer(other)) return;
-            other.transform.SetParent(transform);
+            if (!other.TryGetComponent<IPassengerReceiver>(out var receiver)) return;
-            _passengers.Add(other.transform);
+            if (!_passengers.Contains(receiver))
+                _passengers.Add(receiver);
         }
 
         private void OnTriggerExit2D(Collider2D other)
         {
-            if (!_passengers.Contains(other.transform)) return;
+            if (!other.TryGetComponent<IPassengerReceiver>(out var receiver)) return;
+            if (!_passengers.Remove(receiver)) return;
 
-            other.transform.SetParent(null);
+            // 继承平台速度，防止离台时速度骤变卡顿
-            _passengers.Remove(other.transform);
+            receiver.OnLeavePlatform(_frameVelocity);
-
-            // 离开时附加平台速度，避免卡顿
-            var passengerRb = other.GetComponentInParent<Rigidbody2D>();
-            if (passengerRb != null)
-                passengerRb.AddForce(_rb.velocity, ForceMode2D.Impulse);
         }
 
-        private static bool IsPassenger(GameObject go)
+        private bool IsPassengerLayer(Collider2D col)
-        {
+            => (_passengerLayer.value & (1 << col.gameObject.layer)) != 0;
-            return go.CompareTag("Player") || go.CompareTag("Enemy");
-        }
 
 #if UNITY_EDITOR
         private void OnDrawGizmos()
@@ -144,3 +174,4 @@ namespace BaseGames.World
 #endif
     }
 }
+