Unity制作王者荣耀笔记（六）控制多路小兵生成

（一） 设置可行走路线：

（二）由于每一路小兵是按照自己的路线进行寻路的，所以我们把设置好的路线进行分层

（三）所有的路都设置为静态对象，然后开始烘焙

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（四）设置小兵寻路的层级，通过这个层级指定小兵走哪条路

所以后面设置小兵行走路线的时候传的是Int值

（五） 创建枚举类型来区分小兵类型

using UnityEngine;
using System.Collections;

public enum SoldierType{
    soldier1=0,//我方小兵
    soldier2=1//敌方小兵	
}

（六）创建小兵自身的控制类

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

public class SmartSolider : MonoBehaviour {

    public Transform target;
    private Animation ani;
    private NavMeshAgent nav;
    public Transform[] towers;
    public int type=0;
	// Use this for initialization
	void Start () {

        nav = GetComponent<NavMeshAgent>();
        ani = GetComponent<Animation>();
	}
	
	// Update is called once per frame
	void Update ()
    {
        SoliderMove();
    }

    void SoliderMove()
    {

        if (target==null)
        {
            //目标点为空，需要寻找一下目标点
            target = GetTarget();
            return;
        }
        ani.CrossFade("Run");
        nav.SetDestination(target.position);
    }
    //假如小兵跑向的目标点是塔
    Transform GetTarget()
    {
        for (int i=0;i<towers.Length;i++)
        {

            if (towers[i]!=null)
            {
                return towers[i];
            }

        }
        return null;
    }

    //设置小兵行走的路
    public void SetRoad(int road)
    {
      
        nav = GetComponent<NavMeshAgent>();
        nav.areaMask = road;
    }
}

（七）创建生成小兵的管理类

using UnityEngine;
using System.Collections;

public class CreatSoldier : MonoBehaviour {
    [SerializeField]
    GameObject soliderPrefab;
 
    //我方小兵生成点有3个
    [SerializeField]
    Transform[] Start1;
    //敌方小兵生成点也有3个
    [SerializeField]
    Transform[] Start2;

    [SerializeField]
    Transform soliderParent;
    //是否生成小兵默认为true
    bool isCreateSolider = true;
    //生成小兵的数量
    public int soliderCount=2;

    //定义敌方需要去的3个路线
    [SerializeField]
    private Transform[] middleTowers;
    [SerializeField]
    private Transform[] LeftTowers;
    [SerializeField]
    private Transform[] RightTowers;

    //定义我方需要去的3个路线
    [SerializeField]
    private Transform[] middleEnemyTowers;
    [SerializeField]
    private Transform[] LeftEnemyTowers;
    [SerializeField]
    private Transform[] RightEnemyTowers;

    private void Start()
    {
        StartCoroutine(Create(0,1,5));
    }


    //协程生成一波一波小兵
    /// <summary>
    /// </summary>
    /// <param name="time">游戏开始后几秒开始生成士兵</param>
    /// <param name="delyTime">同一波内两个小兵生成的间隔</param>
    /// <param spwanTime="">下一波小兵生成的时间间隔</param>
    /// <returns></returns>
    IEnumerator Create(float time,float delyTime,float spwanTime)
    {
        yield return new WaitForSeconds(time);
        while (isCreateSolider)
        {
            //一个for循环代表一波小兵
            for (int i=0;i<soliderCount;i++)
            {

                //1 << 3 表示2的3次方，指的是中路
                CreateSmartSolider(SoldierType.soldier1, Start1[0], middleEnemyTowers, 1 << 3);//中路我方小兵
                CreateSmartSolider(SoldierType.soldier2, Start2[0], middleTowers, 1 << 3);//中路敌方小兵

                CreateSmartSolider(SoldierType.soldier1, Start1[1], LeftEnemyTowers, 1 << 4);//（左）路我方小兵
                CreateSmartSolider(SoldierType.soldier2, Start2[1], LeftTowers, 1 << 4);//（左）路敌方小兵

                CreateSmartSolider(SoldierType.soldier1, Start1[2], RightEnemyTowers, 1 << 5);//（右）路我方小兵
                CreateSmartSolider(SoldierType.soldier2, Start2[2], RightTowers, 1 << 5);//（右）路敌方小兵

                yield return new WaitForSeconds(delyTime);
            }
            //等待下一波小兵生成的时间
              yield return new  WaitForSeconds(spwanTime);
        }
    }

    //生成一个小兵
    /// <summary>
    /// 生成小兵的类型
    /// 小兵生成的位置
    /// 小兵需要到达的目标点
    /// 小兵需要走哪条路
    /// </summary>
    /// <param name="startTran"></param>
    /// <param name="towers"></param>
    void CreateSmartSolider(SoldierType soldierType,   Transform startTran, Transform[] towers,int road)
    {
        GameObject obj = Instantiate(soliderPrefab, startTran.position, Quaternion.identity) as GameObject;
        obj.transform.parent = soliderParent;//生成的小兵指定父物体
        //给生成的小兵指定目标点对象，
        SmartSolider solider = obj.GetComponent<SmartSolider>();
        solider.towers = towers;
        solider.SetRoad(road);
        solider.type = (int)soldierType;
    }
}

   首先创建敌我小兵各3个共6个生成点，空物体表示生成位置，