游戏场景——敌人——移动的敌人

制作预制体

将坦克拖拽至场景中进行设置

写代码

让坦克在两点之间不停移动

随机坐标函数

然后在start()中调用即可

坦克要一直盯着玩家

当小于一定距离时，攻击玩家

重写开火逻辑

注意还要将其tag改成Monster！

当敌人死亡后，增加分数

重写死亡逻辑

最后再为敌人添加死亡特效即可

直到当前MonsterTank的代码为：

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

public class MonsterTank : TankBaseObj
{
    
    //坦克移动的目标地点
    public Transform targetPos;
    //坦克的随机坐标位置（在unity中进行关联）
    public Transform[] randomPos;
    //坦克炮台看向的目标
    public Transform lookAtTarget;
    //开火距离
    public int fireDis = 10;
    //检测时间
    public int fireOffsetTime = 1;
    public float nowTime = 0;

    //子弹与炮口
    public GameObject bullet;
    public Transform[] shootPos;

    //关联的图片
    public Texture maxHPBK;
    public Texture hpBK;
    //图片的坐标
    private Rect maxHPRect;
    private Rect hpRect;
    //显示血条计时时间
    private float showTime;

    void Start()
    {
        RandomPos();
    }

    // Update is called once per frame
    void Update()
    {
        #region 让坦克在两点之间不停移动
        //控制坦克的移动
        transform.LookAt(targetPos);
        transform.Translate(Vector3.forward * moveSpeed * Time.deltaTime);
        //检测坐标距离
        if (Vector3.Distance(transform.position, targetPos.position) < 0.5f)
        {
            RandomPos();
        }
        #endregion

        #region 坦克要一直盯着玩家
        if (lookAtTarget != null)
        {
            transform.LookAt(lookAtTarget);
            //当与玩家的距离小于开火距离时，进行攻击
            if(Vector3.Distance(transform.position,lookAtTarget.position) < fireDis)
            {
                nowTime += Time.deltaTime;
                if (nowTime >= fireOffsetTime)
                {
                    Fire();
                    nowTime = 0;
                }
            }
        }
        #endregion
    }

    public void RandomPos()
    {
        if (randomPos.Length <= 0)
            return;
        targetPos = randomPos[Random.Range(0, randomPos.Length)];
    }

    public override void Fire()
    {
        //有多少个炮口就创建多少个子弹
        for (int i = 0; i < shootPos.Length; i++)
        {
            GameObject obj = Instantiate(bullet, shootPos[i].transform.position, shootPos[i].transform.rotation);
            //控制子弹做什么
            BulletObj bulletObj = obj.GetComponent<BulletObj>();
            bulletObj.SetFather(this);
        }
    }

    public override void Dead()
    {
        base.Dead();
        //增加分数
        GamePanel.Instance.AddScore(10);
    }

    private void OnGUI()
    {
        if (showTime > 0)
        {
            showTime -= Time.deltaTime;
            //设置坐标
            Vector3 screenPos = UnityEngine.Camera.main.WorldToScreenPoint(transform.position);
            screenPos.y = Screen.height - screenPos.y;

            //绘制底图
            maxHPRect.x = screenPos.x - 50;
            maxHPRect.y = screenPos.y - 50;
            maxHPRect.width = 100;
            maxHPRect.height = 15;
            GUI.DrawTexture(maxHPRect, maxHPBK);
            //绘制血条
            hpRect.x = screenPos.x - 50;
            hpRect.y = screenPos.y - 50;
            hpRect.width = (float)hp / maxHP * 100f;
            hpRect.height = 15;
            GUI.DrawTexture(hpRect, hpBK);
        }
    }

    public override void Wound(TankBaseObj other)
    {
        base.Wound(other);
        showTime = 3;
    }
}