Any tips for optimizing? about unity-traffic-simulation HOT 12 CLOSED

using UnityEngine;
using TrafficSimulation;

public class SpawnOnLine : MonoBehaviour
{
    void Start()
    {
        //Get all segments
        Segment[] ss = GameObject.FindObjectsOfType<Segment>();
        foreach(Segment s in ss){
            for(int i=0; i<s.waypoints.Count - 1; i++){
                //Here put the distance that the point should be from waypoint-i
                float distance = 3f;

                //Vector from i to i+1 and factor with the distance
                Vector3 v = s.waypoints[i+1].transform.position  - s.waypoints[i].transform.position;
                float f = distance / v.magnitude;
                v *= f;
                
                //Compute new point in between i and i+1 at a certain distance from i
                Vector3 np = new Vector3(s.waypoints[i].transform.position.x + v.x, s.waypoints[i].transform.position.y + v.y, s.waypoints[i].transform.position.z + v.z);

                //Spawn cube for debug purpose at the location
                GameObject cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
                cube.transform.position = np;
            }
        }
    }
}

        public void boostSpeed()
        {
            Rigidbody rb = gameObject.GetComponent<Rigidbody>();
            rb.velocity = rb.transform.forward * (60 / 3.6f);
        }

using System;
using System.Linq;
using UnityEngine;

namespace TrafficSimulation
{
    public class SpawnCreator : MonoBehaviour
    {
        public GameObject myPrefab;
        public TrafficSystem script;

        void Start()
        {
            Spawnn(script);
        }
        public void Spawnn(TrafficSystem script)
        {

            foreach (Segment segment in script.segments)
            {
                GUIStyle style = new GUIStyle { normal = { textColor = new Color(1, 0, 0) }, fontSize = 15 };

                //Draw waypoint
                for (int j = 0; j < segment.waypoints.Count; j++)
                {
                    //Get current waypoint position
                    Vector3 p = segment.waypoints[j].GetVisualPos();


                    //Get next waypoint position
                    Vector3 pNext = Vector3.zero;

                    if (j < segment.waypoints.Count - 1 && segment.waypoints[j + 1] != null)
                    {
                        pNext = segment.waypoints[j + 1].GetVisualPos();
                    }

                    if (pNext != Vector3.zero)
                    {
                        if (segment == script.curSegment)
                        {
                            Gizmos.color = new Color(1f, .3f, .1f);
                        }
                        else
                        {
                            Gizmos.color = new Color(1f, 0f, 0f);
                        }


                        //Set arrow count based on arrowDrawType
                        int arrows = GetArrowCount(p, pNext, script);

                        //Draw arrows
                        for (int i = 1; i < arrows + 1; i++)
                        {
                            Vector3 point = Vector3.Lerp(p, pNext, (float)i / (arrows + 1));
                            GameObject abu = Instantiate(myPrefab, point, Quaternion.LookRotation(p - pNext));
                            abu.transform.rotation = abu.transform.rotation * Quaternion.Euler(0, 180, 0);
                        }
                    }
                }

            }
        }



        private int GetArrowCount(Vector3 pointA, Vector3 pointB, TrafficSystem script)
        {
            switch (script.arrowDrawType)
            {
                case ArrowDraw.FixedCount:
                    return script.arrowCount;
                case ArrowDraw.ByLength:
                    //Minimum of one arrow
                    return Mathf.Max(1, (int)(Vector3.Distance(pointA, pointB) / script.arrowDistance));
                case ArrowDraw.Off:
                    return 0;
                default:
                    throw new ArgumentOutOfRangeException();
            }
        }
    }
}