Add utils + refacto

Assets/Unheimlich_POC/Scripts/Handlers/Interactions/InteracionHandler.cs

@@ -1,15 +1,12 @@
 using UnityEngine;
+using Unheimlich.Core;
 using Unheimlich.Managers;
+using Unheimlich.Utility;
 
 namespace Unheimlich.Interactions.Core
 {
-    /// <summary>
-    /// Detects interactable objects in front of the player camera using raycasts.
-    /// Triggers interaction when player presses interact button while looking at an interactable.
-    /// </summary>
-    public class InteractionHandler : MonoBehaviour
-{
-    public static InteractionHandler Instance { get; private set; }
+    public class InteractionHandler : Singleton<InteractionHandler>
+    {
 
     [Header("Settings")]
     [SerializeField] private float _interactionRange = 1f;
@@ -19,50 +16,32 @@ namespace Unheimlich.Interactions.Core
     private InteractableBase _currentInteractable;
     private Camera _playerCamera;
     private float _raycastTimer;
-    
-    private static readonly Vector3 ViewportCenter = new Vector3(0.5f, 0.5f, 0f);
 
-    private void Awake()
+    protected override void OnAwake()
     {
-        if (Instance != null && Instance != this)
-        {
-            Destroy(this);
-            return;
-        }
-        Instance = this;
         _playerCamera = GetComponent<Camera>();
     }
 
     private void Update()
     {
-        _raycastTimer += Time.deltaTime;
-        
-        if (_raycastTimer >= _raycastInterval)
+        if (RaycastHelper.ThrottledRaycastComponent(
+            ref _raycastTimer, 
+            _raycastInterval,
+            _playerCamera, 
+            _interactionRange, 
+            _interactableLayers, 
+            out InteractableBase interactable))
         {
-            CheckForInteractable();
-            _raycastTimer = 0f;
+            _currentInteractable = interactable;
+        }
+        else if (_raycastTimer == 0f)
+        {
+            _currentInteractable = null;
         }
         
         HandleInteractionInput();
     }
     
-    /// <summary>
-    /// Performs raycast from camera center to detect interactable objects within range.
-    /// Updates the current interactable reference for input handling.
-    /// </summary>
-    private void CheckForInteractable()
-    {
-        Ray ray = _playerCamera.ViewportPointToRay(ViewportCenter);
-        
-        if (Physics.Raycast(ray, out RaycastHit hit, _interactionRange, _interactableLayers))
-        {
-            InteractableBase hitInteractable = hit.collider.GetComponent<InteractableBase>();
-            _currentInteractable = hitInteractable;
-        }
-        else
-            _currentInteractable = null;
-    }
-    
     private void HandleInteractionInput()
     {
         if (PlayerInputManager.Instance != null && 
@@ -79,7 +58,8 @@ namespace Unheimlich.Interactions.Core
         {
             Gizmos.color = _currentInteractable != null ? Color.green : Color.red;
             
-            Ray ray = _playerCamera.ViewportPointToRay(ViewportCenter);
+            Vector3 viewportCenter = new Vector3(0.5f, 0.5f, 0f);
+            Ray ray = _playerCamera.ViewportPointToRay(viewportCenter);
             Gizmos.DrawRay(ray.origin, ray.direction * _interactionRange);
         }
     }