Path mover with reverse

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Move : MonoBehaviour {

    public float speed = 4;
    public float pathResolution = .05f;
    public float turnSpeed = 6;
    Path v;
    Vector2[] points;
    int iOld;
    int i;
    bool reverseDirection;

    void Start () {
        v = FindObjectOfType<PathCreator>().path;
        points = v.CalculateEvenlySpacedPoints(pathResolution);
        transform.position = points[i];
        i = 1;
    }

    void Update () {
        MoveStep(Time.deltaTime * speed);

        if (Input.GetKeyDown(KeyCode.Space))
        {
            ReverseDirection();
        }
    }

    void ReverseDirection()
    {
        reverseDirection = !reverseDirection;
        int t = i;
        i = iOld;
        iOld = t;
    }

    void MoveStep(float dst)
    {
        Vector2 targetPos = points[i];
        Vector2 offset =points[i] - (Vector2)transform.position;
        float dstToTarget = offset.magnitude;
        Vector2 dirToTarget = offset.normalized;

        Quaternion currentRot = transform.rotation;
        transform.right = dirToTarget;
        Quaternion targetRot = transform.rotation;
        transform.rotation = Quaternion.Slerp(currentRot, targetRot, Time.deltaTime * turnSpeed);

        float dstToMove = Mathf.Min(dst, dstToTarget);
        transform.Translate(dirToTarget * dstToMove, Space.World);

        if (dstToMove == dstToTarget)
        {
            iOld = i;
            i = (points.Length + i + ((reverseDirection) ? -1 : 1)) % points.Length;
        }

        float dstRemaining = dst - dstToMove;

        if (dstRemaining > .001)
        {
            MoveStep(dstRemaining);
        }
    }
}