问如何暂停在两个航路点之间移动的navmesh代理，然后继续？

EN

using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.AI;

public class NavigateAgent : MonoBehaviour
{
    public List<Transform> points = new List<Transform>();
    public List<GameObject> npcs;
    public NavMeshAgent agent;

    private int destPoint = 0;


    void Start()
    {
        var wayPoints = GameObject.FindGameObjectsWithTag("Waypoint");
        foreach (GameObject waypoint in wayPoints)
        {
            points.Add(waypoint.transform);
        }

        npcs = GameObject.FindGameObjectsWithTag("Npc").ToList();

        //agent = GetComponent<NavMeshAgent>();

        // Disabling auto-braking allows for continuous movement
        // between points (ie, the agent doesn't slow down as it
        // approaches a destination point).
        agent.autoBraking = false;

        GotoNextPoint();
    }


    void GotoNextPoint()
    {
        // Returns if no points have been set up
        if (points.Count == 0)
            return;

        // Set the agent to go to the currently selected destination.
        agent.destination = points[destPoint].position;

        // Choose the next point in the array as the destination,
        // cycling to the start if necessary.
        destPoint = (destPoint + 1) % points.Count;
    }

    void VisitNpcs()
    {
        var npc = npcs[Random.Range(0, npcs.Count)];
        var distance = Vector3.Distance(npc.transform.position, agent.transform.position);

        if (distance < 3f)
        {
            // Stop slowly agent.
            // Rotate agent and the npc at the same time slowly smooth to face each other.
        }
    }

    void Update()
    {
        // Choose the next destination point when the agent gets
        // close to the current one.
        if (!agent.pathPending && agent.remainingDistance < 0.5f)
            GotoNextPoint();
    }
}