Rail Script

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
// using UnityEditor;


[ExecuteInEditMode]
public class Rail : MonoBehaviour
{
    private Transform[] nodes;


    private void Start()
    {

        nodes = GetComponentsInChildren<Transform>();

    }

    public Vector3 LinearPosition(int seg, float ratio)
    {

        Vector3 p1 = nodes[seg].position;
        Vector3 p2 = nodes[seg + 1].position;
        Vector3 p3 = nodes[seg+ 2].position;

        return Vector3.Lerp(p1, p2, ratio);

    }

     public Quaternion Orientation(int seg, float ratio)
    {

        Quaternion q1 = nodes[seg].rotation;
        Quaternion q2 = nodes[seg + 1].rotation;

        return Quaternion.Lerp(q1, q2, ratio); }

}