Рандомное поведение ботов при свободном движении

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
 
public class bots : coin {
    public Transform player;
    public int dist;
    public Transform vrag;
    public Transform coin;
    public float speed;
    public float move;
    
    public Random random;
    public bool yes;
    public float time;
    public Text tex;
 
  
    public void boy()
    {
 
        if (Vector3.Distance(transform.position, player.transform.position) < dist)
        {
            Vector3 Rotation = player.position - vrag.position;
            vrag.rotation = Quaternion.Slerp(vrag.rotation, Quaternion.LookRotation(Rotation), speed * Time.deltaTime);
            vrag.transform.position += vrag.forward * move * Time.deltaTime;
        }
        else
        {
            StartCoroutine(angle());
        }
    }
    IEnumerator angle()
    {
        vrag.Translate(Vector3.forward * 5 * Time.deltaTime);
        
 
        yield return new WaitForSeconds(5);
        float gradus = Random.Range(360, 360);
        vrag.Rotate(gradus, gradus, gradus);
    }
  
    
    // Update is called once per frame
    void Update () {
        boy();
       
      
        time = Time.realtimeSinceStartup;
        tex.text = time.ToString();
 
    }

if (Vector3.Distance(transform.position, player.transform.position) < dist)

Vector3 Rotation = player.position - vrag.position;
            vrag.rotation = Quaternion.Slerp(vrag.rotation, Quaternion.LookRotation(Rotation), speed * Time.deltaTime);
            vrag.transform.position += vrag.forward * move * Time.deltaTime;