unity中的AI实现方法

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

public class Xunlu : MonoBehaviour
{
    public Transform[] DirectPoints;
    private int _index = 0;
    private float _timer = 0;
    public float patroTime = 2f;

    [SerializeField]
    private NavMeshAgent _nav;
    public Animator _animator;

    private void Awake()
    {
        if (!_nav)
            _nav.GetComponent<NavMeshAgent>();
        _nav.destination = DirectPoints[_index].position;
    }

    private void Update()
    {
        GoTheRounds();
    }

    private void GoTheRounds()
    {
        if (_nav.remainingDistance < 0.5f)
        {
            _timer += Time.deltaTime;
            if (_timer >= patroTime)
            {
                _index++;
                _index %= 2;
                _timer = 0;
                _nav.destination = DirectPoints[_index].position;
            }
        }
    }
}

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