From 53b2345edeb13b1b4036fc3a822353b718331833 Mon Sep 17 00:00:00 2001
From: LarsZauberer <wasser.ian@gmail.com>
Date: Sat, 27 Feb 2021 18:46:14 +0100
Subject: [PATCH] Hook Dragging

---
 Assets/Prefabs/Hook.prefab             |  6 ++++-
 Assets/Scripts/Objects/HookBehavior.cs | 35 +++++++++++++++++++++++++-
 Assets/Scripts/Player/Hook.cs          | 10 +++++++-
 3 files changed, 48 insertions(+), 3 deletions(-)

diff --git a/Assets/Prefabs/Hook.prefab b/Assets/Prefabs/Hook.prefab
index a1552e3..8d805c0 100644
--- a/Assets/Prefabs/Hook.prefab
+++ b/Assets/Prefabs/Hook.prefab
@@ -143,5 +143,9 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: b9cd6b288bec1cc43828ab4e54d3e60c, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  shootingSpeed: 10
+  shootingSpeed: 50
   dir: {x: 0, y: 0}
+  Hooked: 0
+  pullSpeed: 125
+  xPower: 2
+  yPower: 0.5
diff --git a/Assets/Scripts/Objects/HookBehavior.cs b/Assets/Scripts/Objects/HookBehavior.cs
index 8bfaeac..12b78a7 100644
--- a/Assets/Scripts/Objects/HookBehavior.cs
+++ b/Assets/Scripts/Objects/HookBehavior.cs
@@ -4,10 +4,12 @@
 
 public class HookBehavior : MonoBehaviour
 {
-    public float shootingSpeed = 20f;
+    public float shootingSpeed = 100f;
     public Vector2 dir;
     private Rigidbody2D r;
     public bool Hooked = false;
+    public float pullSpeed = 100f;
+    public float xPower = 50f, yPower = 50f;
     // Start is called before the first frame update
     void Start()
     {
@@ -19,6 +21,12 @@ void FixedUpdate()
     {
         if (!Hooked) {
             r.AddForce(dir*Time.fixedDeltaTime*shootingSpeed, ForceMode2D.Impulse);
+        } else {
+            GameObject player = GameObject.FindGameObjectWithTag("Player");
+            Rigidbody2D rb = player.GetComponent<Rigidbody2D>();
+            // rb.gravityScale = 0f;
+
+            MovePlayer();
         }
     }
 
@@ -30,4 +38,29 @@ private void OnTriggerEnter2D(Collider2D other) {
             Destroy(gameObject);
         }
     }
+
+    private void MovePlayer() {
+        GameObject player = GameObject.FindGameObjectWithTag("Player");
+        Player script = player.GetComponent<Player>();
+        Rigidbody2D rb = player.GetComponent<Rigidbody2D>();
+        
+        Vector2 forceVector = CalculateDirection(transform.position, player.transform.position);
+
+        Debug.Log(forceVector*Time.fixedDeltaTime*pullSpeed);
+        rb.AddForce(forceVector*Time.fixedDeltaTime*pullSpeed, ForceMode2D.Impulse);
+    }
+
+    public Vector2 CalculateDirection(Vector3 mouse, Vector3 player) {
+        Vector2 vec = new Vector2();
+        vec.x = mouse.x-player.x;
+        vec.y = mouse.y-player.y;
+
+        vec = vec/vec.magnitude;
+
+        // x, y + power
+        vec.x *= xPower;
+        vec.y *= yPower;
+
+        return vec;
+    }
 }
diff --git a/Assets/Scripts/Player/Hook.cs b/Assets/Scripts/Player/Hook.cs
index a141098..39e4957 100644
--- a/Assets/Scripts/Player/Hook.cs
+++ b/Assets/Scripts/Player/Hook.cs
@@ -18,7 +18,7 @@ void Update()
 
     public void Shoot() {
         if (obj) {
-            Destroy(obj);
+            deleteHook();
         }
         mousePoint = Camera.main.ScreenToWorldPoint(Input.mousePosition);
         obj = Instantiate(hook) as GameObject;
@@ -39,6 +39,14 @@ public Vector2 CalculateDirection(Vector3 mouse, Vector3 player) {
 
     [Command()]
     public void deleteHook() {
+        Rigidbody2D playerRb = GameObject.FindGameObjectWithTag("Player").GetComponent<Rigidbody2D>();
+        playerRb.gravityScale = 3f;
         Destroy(obj);
     }
+
+    private void OnCollisionEnter2D(Collision2D other) {
+        if (other.gameObject.tag == "Targets") {
+            deleteHook();
+        }
+    }
 }