寻路定点移动

using UnityEngine;
using System.Collections;
using System;
public class NavigationFixedPath : MonoBehaviour {

    GameObject[] pathPoints;
    //记录下一个路点
    int nextPathPointIndex = 1;

    // Use this for initialization
    void Start () {
    //寻找tag值相同的的对象构成数组
        pathPoints = GameObject.FindGameObjectsWithTag("Path01");
        //Array.Reverse(pathPoints);
        //对数组进行排序上方也是，下方为lamda排序
        Array.Sort(pathPoints, (x, y) => { return x.gameObject.name.CompareTo(y.gameObject.name); });
        transform.position = pathPoints[0].transform.position;
        transform.forward = pathPoints[nextPathPointIndex].transform.position - transform.position;
    }
    // Update is called once per frame
    void Update () {
        if (Vector3.Distance(pathPoints[nextPathPointIndex].transform.position, transform.position) < 0.1f)
        {
            if (nextPathPointIndex != pathPoints.Length - 1)
            {
                nextPathPointIndex++;
            }
//到达最后一点时
            if (Vector3.Distance(pathPoints[pathPoints.Length - 1].transform.position, transform.position) < 0.1f)
            {
                transform.position = pathPoints[pathPoints.Length - 1].transform.position;
                return;
            }
            //控制敌人的方向
            transform.forward = pathPoints[nextPathPointIndex].transform.position - transform.position;
        }
//敌人移动
        transform.Translate(Vector3.forward * 5 * Time.deltaTime, Space.Self);
    }
}

```