feat():大改前的提交，这个版本保存了所有冗余的代码

Assets/Script/Gameplay/Player/PlayerInteractorController.cs

@@ -1,7 +1,7 @@
 using UnityEngine;
-using Share;
+using Interface;
 using System;
-using Input;
+using Script.Gameplay.Input;
 
 namespace Gameplay.Player
 {
@@ -10,44 +10,70 @@ namespace Gameplay.Player
         [SerializeField] private float interactRange = 15f;
         [SerializeField] private LayerMask interactableLayer;
         [SerializeField] private Camera playerCamera;
+        [SerializeField] private bool isDrawGizmos;
 
-        private IInteractable currentTarget;
+        private IInteractable currentTarget; // 被射线命中的当前可交互对象（用于按键交互）
+        private IInteractable previousGazedTarget; // 上一次注视的对象（用于注视进入/离开事件）
 
         void Start()
         {
-            playerCamera = GameObject.FindWithTag("MainCamera").GetComponent<Camera>();
+            if (playerCamera == null)
+                playerCamera = GameObject.FindWithTag("MainCamera").GetComponent<Camera>();
+            
+            var input = InputManager.Instance.Input;
+            input.Player.SwitchWatchMode.performed += ctx => currentTarget.Interact(this.gameObject);;
         }
 
         void Update()
         {
             DetectInteractable();
-
-            if (currentTarget != null && InputManager.Instance.InteractPressed)
-            {
-                currentTarget.Interact(this.gameObject);
-            }
         }
 
         void DetectInteractable()
         {
+            if (playerCamera == null) return;
+
             Ray ray = new Ray(playerCamera.transform.position, playerCamera.transform.forward);
             if (Physics.Raycast(ray, out RaycastHit hit, interactRange, interactableLayer))
             {
-                currentTarget = hit.collider.GetComponent<IInteractable>();
-                if (currentTarget != null)
+                IInteractable hitInteractable = hit.collider.GetComponent<IInteractable>();
+
+                // 如果命中对象与之前注视的不一样，触发进入/离开事件
+                if (hitInteractable != previousGazedTarget)
                 {
-                    // 这里可以显示交互提示UI，例如 “E - 开门”
-                    Debug.Log(currentTarget.GetInteractPrompt());
+                    if (previousGazedTarget != null)
+                    {
+                        previousGazedTarget.OnGazeExit(this.gameObject);
+                    }
+
+                    if (hitInteractable != null)
+                    {
+                        hitInteractable.OnGazeEnter(this.gameObject);
+                        // 这里可以显示交互提示UI，例如 “E - 开门”
+                        Debug.Log(hitInteractable.GetInteractPrompt());
+                    }
+
+                    previousGazedTarget = hitInteractable;
                 }
+
+                currentTarget = hitInteractable;
             }
             else
             {
+                // 没有命中时，如果之前有注视对象，触发离开
+                if (previousGazedTarget != null)
+                {
+                    previousGazedTarget.OnGazeExit(this.gameObject);
+                    previousGazedTarget = null;
+                }
+
                 currentTarget = null;
             }
         }
-        
+
         void OnDrawGizmos()
         {
+            if (isDrawGizmos) return;
             if (playerCamera == null) return;
             Gizmos.color = Color.green;
             Vector3 origin = playerCamera.transform.position;