Added collectible to recharge grapple

Assets/Prefabs/Collectible.prefab

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+  m_Name: Collectible
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Assets/Prefabs/Collectible.prefab.meta

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Assets/Scripts/Collectible.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Collectible : MonoBehaviour
+{
+    [SerializeField]
+    private int amount;
+    [SerializeField]
+    private float rotSpeed;
+    [SerializeField]
+    private float timeToAppear;
+
+    void Update()
+    {
+        transform.Rotate(0, rotSpeed, 0, Space.World);
+    }
+
+    private void OnTriggerEnter(Collider other) {
+        if(other.gameObject.tag.Equals("Player")){
+            other.gameObject.GetComponent<GrappleHook>().AddCharge(amount);
+            Vanish();
+        }
+    }
+
+    private void Vanish(){
+        gameObject.SetActive(false);
+        Invoke("Appear", timeToAppear);
+    }
+
+    private void Appear(){
+        gameObject.SetActive(true);
+    }
+}

Assets/Scripts/Collectible.cs.meta

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Assets/Scripts/GrappleHook.cs

@@ -24,6 +24,8 @@ public class GrappleHook : MonoBehaviour
     private LayerMask grappleableLayer;
     [SerializeField]
     private float aimSpeed = 50f;
+    [SerializeField]
+    private int charges = 5;
 
     [Header("References")]
     [SerializeField]
@@ -43,6 +45,7 @@ public class GrappleHook : MonoBehaviour
     float changingLengthDir = 0;
     private Vector3 currGrappleEndPos;
     private GameObject hookedTo; // The obj we are hooked to
+    
     public GameObject HookedTo{get => hookedTo; set => hookedTo = value;}
     
 #region private methods
@@ -85,9 +88,17 @@ public class GrappleHook : MonoBehaviour
 
         if(Physics.Raycast(gameObject.transform.position, aimDir, out hit, maxGrappleDist, grappleableLayer)){
             hitMarkerRect.anchoredPosition = WorldToUI(hit.point);
+            if(charges > 0){
                 hitMarkerRect.gameObject.GetComponent<Image>().color = Color.green;
+            }else{
+                hitMarkerRect.gameObject.GetComponent<Image>().color = Color.red;
+            }
+            
+            
             if(grappling){
                 StartGrapple(hit);
+            }else{
+                grappling = false;
             }
         }else{
             hitMarkerRect.gameObject.GetComponent<Image>().color = Color.red;
@@ -112,8 +123,9 @@ public class GrappleHook : MonoBehaviour
         
     }
     private void StartGrapple(RaycastHit hit){
-        grappled = true;
         grappling = false;
+        if(charges <= 0)return;
+        grappled = true;
 
         //Display 
         hitMarkerRect.gameObject.SetActive(false);
@@ -142,6 +154,7 @@ public class GrappleHook : MonoBehaviour
         }
         hookedTo = hit.transform.gameObject;
         currGrappleEndPos = transform.position;
+        charges--;
     }
 
     private void EndGrapple(){
@@ -183,6 +196,10 @@ public void Unhook(GameObject hookedObj){
     if(hookedObj.Equals(hookedTo))
         EndGrapple();
 }
+
+public void AddCharge(int amount){
+    charges += amount;
+}
 #endregion
 
 #region InputActions

ProjectSettings/TagManager.asset

@@ -5,6 +5,7 @@ TagManager:
   serializedVersion: 2
   tags:
   - Vanishing
+  - Collectible
   layers:
   - Default
   - TransparentFX