rebuild rope on shrink extend WIP

Assets/Scenes/EnemyRope.unity

@@ -868,6 +868,7 @@ MonoBehaviour:
   anchor: {fileID: 625885769}
   body: {fileID: 0}
   locked: 0
+  playerInput: {fileID: 0}
 --- !u!1 &646449334
 GameObject:
   m_ObjectHideFlags: 0
@@ -1103,17 +1104,6 @@ MonoBehaviour:
   m_Area: 0
   m_IgnoreFromBuild: 0
   m_AffectedAgents: ffffffff
---- !u!114 &1081435768 stripped
-MonoBehaviour:
-  m_CorrespondingSourceObject: {fileID: 1949941092232239315, guid: 99a6ff8b9591949439b620b13bd249a4, type: 3}
-  m_PrefabInstance: {fileID: 1273044612}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 0}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: de340bb967770a7499e140a52a287f84, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
 --- !u!1 &1156361827
 GameObject:
   m_ObjectHideFlags: 0
@@ -2075,7 +2065,6 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 27ac133d9e10e544ba603e07122e3359, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  playerInput: {fileID: 1081435768}
   gravity: 15
   solveIterations: 10
   constrainStickMinLength: 0
@@ -2092,6 +2081,9 @@ MonoBehaviour:
     m_Bits: 1
   pullForce: 65
   xyGravityDampScalor: 1
+  ropeExtendSpeed: 15
+  ropeShrinkSpeed: 15
+  ropeMaxLength: 0
   lineRenderer: {fileID: 1647138191}
 --- !u!4 &1647138193
 Transform:

Assets/Scripts/Player/PlayerInput.cs

@@ -10,11 +10,12 @@ public class PlayerInput : MonoBehaviour
     [SerializeField] private int playerNumber;
 
     public Vector2 movement;
+    public Vector2 look;
     public Gamepad controller { get; private set; }
 
     public bool whipAttack;
-    public event Action ropeLengthShrinken;
+    public event Action<int> ropeLengthShrinken;
-    public event Action ropeLengthExtend;
+    public event Action<int> ropeLengthExtend;
 
     public int PlayerNum => playerNumber;
 
@@ -34,10 +35,13 @@ public class PlayerInput : MonoBehaviour
             movement.x = controller.leftStick.x.ReadValue();
             movement.y = controller.leftStick.y.ReadValue();
 
+            look.x = controller.rightStick.x.ReadValue();
+            look.y = controller.rightStick.y.ReadValue();
+
             whipAttack = controller.buttonWest.IsPressed();
 
-            if (controller.rightShoulder.IsPressed()) ropeLengthShrinken?.Invoke();
+            if (controller.rightShoulder.IsPressed()) ropeLengthShrinken?.Invoke(playerNumber);
-            if (controller.leftShoulder.IsPressed()) ropeLengthExtend?.Invoke();
+            if (controller.leftShoulder.IsPressed()) ropeLengthExtend?.Invoke(playerNumber);
         }
         else
         {

Assets/Scripts/Rope/RopeBuilder.cs

@@ -7,6 +7,13 @@ public class RopeBuilder
     List<Point> points = new();
     List<Stick> sticks = new();
 
+    public RopeBuilder() { }
+    public RopeBuilder(List<Point> points, List<Stick> sticks)
+    {
+        this.points = points;
+        this.sticks = sticks;
+    }
+
     public RopeBuilder AddPoint(Point point)
     {
         points.Add(point);

Assets/Scripts/Rope/RopeSimulator.cs

@@ -50,11 +50,11 @@ public class RopeSimulator : MonoBehaviour
     [SerializeField]
     float xyGravityDampScalor = 1f;
 
-    [SerializeField, Range(0f, 5f)]
+    [SerializeField, Range(0f, 20f)]
     public float ropeExtendSpeed, ropeShrinkSpeed;
 
     [SerializeField]
-    public float ropeMaxLength;
+    public float ropeMaxLength, ropeMinLength;
 
     [Header("Rendering")]
     [SerializeField] LineRenderer lineRenderer;
@@ -87,15 +87,54 @@ public class RopeSimulator : MonoBehaviour
         end.playerInput.ropeLengthExtend += ExtendRope;
     }
 
-    void ShrinkenRope()
+    void ShrinkenRope(int playerNumber)
     {
-        subDivision += ropeShrinkSpeed * Time.deltaTime;
+        int prevSubDivision = (int) subDivision;
-        Rebuild();
+        subDivision -= ropeShrinkSpeed * Time.deltaTime;
+        if (subDivision < ropeMinLength)
+            subDivision = ropeMinLength;
+
+        if (prevSubDivision - (int)subDivision > 0) return;
+
+        // Shrink from start
+        if (playerNumber == start.playerInput.PlayerNum)
+        {
+            rope.sticks.Clear();
+            rope.points.RemoveAt(0);
+
+            var builder = new RopeBuilder(rope.points, new List<Stick>());
+
+            // Re-gen sticks
+            for (int i = 0; i < (int) subDivision; i++)
+            {
+                builder.ConnectPoints(i, i + 1);
+            }
+            rope = builder.Build();
+        }
+        // Shrink from end
+        else if (playerNumber == end.playerInput.PlayerNum)
+        {
+            rope.points.RemoveAt(rope.points.Count - 2);
+            rope.sticks.Clear();
+
+            var builder = new RopeBuilder(rope.points, new List<Stick>());
+
+            // Re-gen sticks
+            for (int i = 0; i < (int)subDivision; i++)
+            {
+                builder.ConnectPoints(i, i + 1);
+            }
+            rope = builder.Build();
+        }
+        CreateOrderArray();
     }
 
-    void ExtendRope()
+    void ExtendRope(int playerNumber)
     {
-        subDivision -= ropeExtendSpeed * Time.deltaTime;
+        subDivision += ropeExtendSpeed * Time.deltaTime;
+        if (subDivision > ropeMaxLength)
+            subDivision = ropeMaxLength;
+
         Rebuild();
     }
 
@@ -150,6 +189,7 @@ public class RopeSimulator : MonoBehaviour
 
     private void Update()
     {
+        ShrinkenRope(1);
         colliderToSquezeForce.Clear();
 
         rope.points.First().position = start.position;