Hook Single Object Behavior

Assets/Prefabs/Hook.prefab

@@ -12,6 +12,7 @@ GameObject:
   - component: {fileID: 6167312168718169834}
   - component: {fileID: -7018169061865207225}
   - component: {fileID: -8534197892154159958}
+  - component: {fileID: -3774645765217698002}
   m_Layer: 0
   m_Name: Hook
   m_TagString: Untagged
@@ -130,3 +131,17 @@ BoxCollider2D:
   serializedVersion: 2
   m_Size: {x: 1.632, y: 1.392}
   m_EdgeRadius: 0
+--- !u!114 &-3774645765217698002
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 5763763162042969811}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: b9cd6b288bec1cc43828ab4e54d3e60c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  shootingSpeed: 10
+  dir: {x: 0, y: 0}

Assets/Scripts/Objects/HookBehavior.cs

@@ -0,0 +1,21 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class HookBehavior : MonoBehaviour
+{
+    public float shootingSpeed = 20f;
+    public Vector2 dir;
+    private Rigidbody2D r;
+    // Start is called before the first frame update
+    void Start()
+    {
+        r = GetComponent<Rigidbody2D>();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        r.AddForce(dir*Time.fixedDeltaTime*shootingSpeed, ForceMode2D.Impulse);
+    }
+}

Assets/Scripts/Player/Hook.cs

@@ -5,37 +5,21 @@
 public class Hook : MonoBehaviour
 {
     private Vector3 mousePoint;
-    public Vector2 dir;
     public GameObject hook;
-    public GameObject obj;
-    public float shootingSpeed = 10f;
-    // Start is called before the first frame update
-    void Start()
-    {
-        Update();
-    }
 
-    // Update is called once per frame
     void Update()
     {
         if (Input.GetButtonDown("Fire1")) {
             Shoot();
         }
     }
 
-    private void FixedUpdate() {
-        if (obj) {
-            Rigidbody2D r = obj.GetComponent<Rigidbody2D>();
-            // r.isKinematic = false;
-            r.AddForce(CalculateDirection(mousePoint, transform.position)*Time.fixedDeltaTime*shootingSpeed, ForceMode2D.Impulse);
-            // r.AddForce(GravityVector, ForceMode2D.Impulse);
-        }
-    }
-
     public void Shoot() {
         mousePoint = Camera.main.ScreenToWorldPoint(Input.mousePosition);
-        obj = Instantiate(hook) as GameObject;
+        GameObject obj = Instantiate(hook) as GameObject;
         obj.transform.position = transform.position;
+        HookBehavior hb = obj.GetComponent<HookBehavior>();
+        hb.dir = CalculateDirection(mousePoint, transform.position);
     }
 
     public Vector2 CalculateDirection(Vector3 mouse, Vector3 player) {