HingeJoint-based rope building component

Rope.cs

using System;
using UnityEngine;
using UnityEngine.Serialization;
#if UNITY_EDITOR
using UnityEditor;
#endif

public class RopeGenerator : MonoBehaviour
{
    public Rigidbody attachementBody;

    [Space]
    
    [Header("Generator")]
    [Range(0.25f, 1f)]
    public float jointDistance = 0.5f;
    public Vector3 offset;
    
    [Space]
    
    [Header("Appearance")]
    public LineRenderer lineRenderer;
    public float length = 5f;
    [Range(0.025f, 0.25f)]
    public float radius = 0.05f;

    [Header("Physics")]
    public float mass = 100;
    public float drag = 1;

    [Space]
    
    [SerializeField] [HideInInspector]
    private HingeJoint[] hinges;

    private void LateUpdate()
    {
        UpdateLineRenderer();
    }

    private void Start()
    {
        //Unparent object so that it follows the attachement point freely
        this.transform.parent = null;
    }

    public void Rebuild()
    {
        if (!attachementBody) attachementBody = GetComponent<Rigidbody>();
        attachementBody.isKinematic = true;
        
        int segmentCount = Mathf.RoundToInt(length / jointDistance);

        if (hinges != null)
        {
            for (int i = 0; i < hinges.Length; i++)
            {
                DestroyImmediate(hinges[i].gameObject);
            }

            hinges = null;
        }
        hinges = new HingeJoint[segmentCount];

        Vector3 direction = Vector3.down;
        Vector3 localDirection = transform.TransformDirection(direction);
        
        for (int i = 0; i < hinges.Length; i++)
        {
            GameObject hingeObj = new GameObject("Hinge_" + i);
			hingeObj.transform.up = direction;
            hingeObj.transform.parent = this.transform;
            hingeObj.transform.localPosition = offset + localDirection * (i * jointDistance);
               
            HingeJoint joint = hingeObj.AddComponent<HingeJoint>();
            Rigidbody rb = joint.GetComponent<Rigidbody>();
            rb.mass = mass;
            rb.drag = drag;

            CapsuleCollider collider = joint.gameObject.AddComponent<CapsuleCollider>();
            collider.radius = radius;
            collider.center = new Vector3(0f, jointDistance * 0.5f, 0f);
            collider.height = jointDistance;

            //Make the last joint a sphere, to be used as an attachement point
            if (i == hinges.Length-1)
            {
                collider.height = 0f;
                collider.center = Vector3.zero;
                collider.gameObject.name = "End Point";
            }

            if (i == 0) joint.connectedBody = attachementBody;
            if (i > 0) joint.connectedBody = hinges[i - 1].GetComponent<Rigidbody>();
            
            hinges[i] = joint;
        }

        //if (endJoint == null) endJoint = endPoint.GetComponent<HingeJoint>();
        //if (endJoint == null) endJoint = endPoint.gameObject.AddComponent<HingeJoint>();

        //endJoint.connectedBody = hinges[hinges.Length - 1].GetComponent<Rigidbody>();
        
        RebuildLineRenderer();
    }

    private void UpdateLineRenderer()
    {
        if (!lineRenderer) return;
        
        for (int i = 0; i < hinges.Length; i++)
        {
            lineRenderer.SetPosition(i, hinges[i].transform.position);
        }
        
        lineRenderer.SetPosition(lineRenderer.positionCount-1, hinges[hinges.Length-1].transform.position + (-hinges[hinges.Length-1].transform.up * jointDistance));
    }

    private void RebuildLineRenderer()
    {
        if (!lineRenderer) return;

        lineRenderer.positionCount = hinges.Length+1;
        lineRenderer.useWorldSpace = true;
        lineRenderer.widthMultiplier = radius * 2f;

        for (int i = 0; i < hinges.Length; i++)
        {
            lineRenderer.SetPosition(i, hinges[i].transform.position);
        }
        
        lineRenderer.SetPosition(lineRenderer.positionCount-1, hinges[hinges.Length-1].transform.position + (-hinges[hinges.Length-1].transform.up * jointDistance));
        //lineRenderer.SetPosition(lineRenderer.positionCount-1, endPoint.position);
    }
}

#if UNITY_EDITOR
[CustomEditor(typeof(RopeGenerator))]
public class RopeBuilderInspector : Editor
{
    private RopeGenerator script;

    private void OnEnable()
    {
        script = (RopeGenerator)target;
    }
    public override void OnInspectorGUI()
    {
        EditorGUI.BeginChangeCheck();
        
        base.OnInspectorGUI();
        
        //Can't destroy objects in OnValidate, so do it here
        if (EditorGUI.EndChangeCheck())
        {
            script.Rebuild();
        }
    }
}
#endif