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Assets/Gameplay/Scripts/GameFlowMgr/PlayerInteractController.cs

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+// PlayerInteractController.cs
+using System.Collections;
+using UnityEngine;
+using UnityEngine.InputSystem;
+using UnityEngine.InputSystem.Controls;
+
+public class PlayerInteractController : MonoBehaviour
+{
+    // public KeyControl interactionKey = Keyboard.current.fKey; // 交互按键，默认为F
+    public float interactionRange = 2f; // 交互检测范围
+    public Transform interactPoint; // 交互检测的起点（通常是玩家相机或身体中心）
+
+    private IInteractable currentInteractable; // 当前可交互的对象
+
+    void Start()
+    {
+        StartCoroutine(PeriodicDetection());
+    }
+    void Update()
+    {
+        // 每帧检测附近的交互物
+        // DetectInteractables();
+
+        // 如果当前有可交互物体，且玩家按下了交互键
+        if (currentInteractable != null && Keyboard.current.fKey.wasPressedThisFrame)
+        {
+            currentInteractable.OnInteract();
+        }
+    }
+    private IEnumerator PeriodicDetection()
+    {
+        while (true)
+        {
+            DetectInteractables(); // 你的检测逻辑
+            yield return new WaitForSeconds(0.1f); // 每0.1秒检测一次
+        }
+    }
+    void DetectInteractables()
+    {
+        // 使用球形检测来查找范围内的所有碰撞体
+        Collider[] hitColliders = Physics.OverlapSphere(interactPoint.position, interactionRange);
+        IInteractable closestInteractable = null;
+        float closestDistance = float.MaxValue;
+
+        // 遍历所有碰撞体，找到最近的 IInteractable 对象
+        foreach (var hitCollider in hitColliders)
+        {
+            IInteractable interactable = hitCollider.GetComponent<IInteractable>();
+            if (interactable != null)
+            {
+                float distance = Vector3.Distance(interactPoint.position, hitCollider.transform.position);
+                if (distance < closestDistance)
+                {
+                    closestDistance = distance;
+                    closestInteractable = interactable;
+                }
+            }
+        }
+
+        // 如果当前交互对象发生了变化
+        if (closestInteractable != currentInteractable)
+        {
+            // 通知旧物体退出范围
+            if (currentInteractable != null)
+            {
+                currentInteractable.OnExitInteractionRange();
+            }
+            // 通知新物体进入范围
+            if (closestInteractable != null)
+            {
+                closestInteractable.OnEnterInteractionRange();
+            }
+            // 更新当前交互对象
+            currentInteractable = closestInteractable;
+        }
+    }
+
+    // 在Scene视图中绘制交互范围，便于调试
+    private void OnDrawGizmosSelected()
+    {
+        if (interactPoint != null)
+        {
+            Gizmos.color = Color.yellow;
+            Gizmos.DrawWireSphere(interactPoint.position, interactionRange);
+        }
+    }
+}