Shake obj before vanish

Assets/Scripts/GrappleHook.cs

@@ -42,6 +42,8 @@ public class GrappleHook : MonoBehaviour
     private bool grappled = false, grappling = false, boosted = false, changingLength = false, isStunned = false;
     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
     void Start()
@@ -136,6 +138,7 @@ public class GrappleHook : MonoBehaviour
         if(hit.transform.tag.Equals("Vanishing")){
             hit.transform.gameObject.GetComponent<Vanisher>().Begin(this);
         }
+        hookedTo = hit.transform.gameObject;
         currGrappleEndPos = transform.position;
     }
 
@@ -145,6 +148,7 @@ public class GrappleHook : MonoBehaviour
         lr.enabled = false;
         boosted = false;
         Destroy(joint);
+        hookedTo = this.gameObject;
     }
 
     private Vector2 WorldToUI(Vector3 point){

Assets/Scripts/Vanisher.cs

@@ -8,21 +8,41 @@ public class Vanisher : MonoBehaviour
     private float timeToVanish;
     [SerializeField]
     private float timeToAppear;
+    private float timer = 0;
     private GrappleHook grapple;
     private bool isVanishing = false;
+    private Vector3 originalPos;
     //TODO represent obj is breaking
+
+    private void Start() {
+        originalPos = transform.localPosition;
+    }
+    private void Update() {
+        timer += Time.deltaTime;
+        if(isVanishing){//Shake
+            float speed = timer / timeToVanish;
+            float x = Random.Range(-.5f, .5f) * speed * .01f;
+            float y = Random.Range(-.5f, .5f) * speed * .01f;
+            transform.localPosition += new Vector3(x, y, originalPos.z);
+        }
+        
+    }
     public void Begin(GrappleHook grapple){
-        if(isVanishing)return;
         this.grapple = grapple;
+        if(isVanishing)return;
         Invoke("Vanish", timeToVanish);
         isVanishing = true;
+        originalPos = transform.localPosition;
+        timer = 0;
     }
 
     private void Vanish(){
-        grapple.Unhook();
+        grapple?.Unhook();
         gameObject.SetActive(false);
         Invoke("Appear", timeToAppear);
         isVanishing = false;
+        timer = 0;
+        transform.localPosition = originalPos;
     }
 
     private void Appear(){
@@ -34,4 +54,12 @@ public class Vanisher : MonoBehaviour
             Begin(other.gameObject.GetComponent<GrappleHook>());
         }
     }
+    private void OnCollisionExit(Collision other) {
+        if(other.gameObject.tag.Equals("Player")){
+            if(!grapple.HookedTo.Equals(this.gameObject)){
+                grapple = null;
+            }
+        }
+        
+    }
 }