塔防小demo

 小案例：

20240719_104639

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

public class NewEnemyIncubator : MonoBehaviour
{
    public GameObject[] enemys;
    private float time;//每波生成间隔
    private float times;//波内生成间隔
    private float count;//波数
    private float counts;//每波数量
    // Start is called before the first frame update
    void Start()
    {
        time = 2;
        times = 1;
        count = 5;
        counts = 4;
        StartCoroutine(CreatEnemy());
    }

    // Update is called once per frame
    void Update()
    {
       
    }
    private IEnumerator CreatEnemy()
    {
        for (int i = 0; i < count; i++)
        {
            for (int j = 0; j < counts; j++)
            {
                Instantiate(enemys[Random.Range(0, enemys.Length)],transform.position,Quaternion.identity);
                yield return new WaitForSeconds(times);
            }
            yield return new WaitForSeconds(time);
        }
    }
}

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

public class NewEnemyAI : MonoBehaviour
{
    private NavMeshAgent agent;
    private Transform targetPos;
    private Animator ani;
    // Start is called before the first frame update
    void Start()
    {
        ani = GetComponent<Animator>();
        agent = this.GetComponent<NavMeshAgent>();
        targetPos = GameObject.Find("EVE").transform.GetChild(0);
    }

    // Update is called once per frame
    void Update()
    {
        agent.destination = targetPos.position;
        if (agent.isStopped)
        {
            ani.SetBool("Run", false);
        }
        else
        {
            ani.SetBool("Run", true);
        }
    }
}

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

public class NewGameManage : MonoBehaviour
{
    private GameObject selectPanel;
    private GameObject firstPanel;
    private GameObject nextSelectPanel;
    public GameObject[] towers;//塔
    private GameObject selectTower;//即将要创建的炮塔
    private Transform basePos;//地基位置，炮塔的创建位置
    // Start is called before the first frame update
    void Start()
    {
        selectTower = null;
        selectPanel = transform.Find("SelectCanvas").gameObject;//找到被隐藏的游戏物体
        firstPanel = selectPanel.transform.GetChild(0).gameObject;
        nextSelectPanel = selectPanel.transform.GetChild(1).gameObject;
        Debug.Log(selectPanel);
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetMouseButtonDown(0))
       
        SelectBase();
    }
    private void SelectBase()//选择创建炮台的地基
    {
     
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        RaycastHit hit;
        if (Physics.Raycast(ray,out hit,200)&&EventSystem.current.IsPointerOverGameObject()==false)
        {
            if (hit.transform.tag=="TowerBase")//点击了地基，就可以创建
            {
                //
                ShowSelectPanel(hit.transform);
                basePos = hit.transform;
            }
        }
    }
    private void ShowSelectPanel(Transform pos)
    {
        selectPanel.transform.SetParent(pos,false);
        selectPanel.transform.localPosition = new Vector3(0, 7, 0);
        selectPanel.transform.rotation = Quaternion.Euler(60, 0, 0);
        selectPanel.SetActive(true);
    }
    //事件
    public void SelectowerOne(bool isOn)
    {
        if (isOn)
        {
            Debug.Log("SelectowerOne");
            selectTower = towers[0];
            firstPanel.SetActive(false);
            nextSelectPanel.SetActive(true);
            
        }
    }
    public void SelectowerTwo(bool isOn)
    {
        if (isOn)
        {
            Debug.Log("SelectowerTwo");
            selectTower = towers[1];
            firstPanel.SetActive(false);
            nextSelectPanel.SetActive(true);
        }
    }
    public void SelectowerThree(bool isOn)
    {
        if (isOn)
        {
            Debug.Log("SelectowerThree");
            selectTower = towers[2];
            firstPanel.SetActive(false);
            nextSelectPanel.SetActive(true);
        }
    }

    public void CloseAll()//关闭所有(第一层)
    {
        selectPanel.SetActive(false);
        nextSelectPanel.SetActive(false);
        firstPanel.SetActive(true);
    }
    public void CloseNext()//第二层关闭
    {
        nextSelectPanel.SetActive(false);
        firstPanel.SetActive(true);
    }

    public void CreatTower()//创建
    {
        Debug.Log("创建");
        if (selectTower!=null)
        {
            GameObject tempTower = Instantiate(selectTower);
            tempTower.transform.SetParent(basePos, false);
            tempTower.transform.localPosition = Vector3.up * 2.5f;
            //加炮塔的攻击脚本
            tempTower.AddComponent<NewTowerAI>();
            InItUI();
        }
       
    }
    public void CellTower()//出售
    {
        Debug.Log("出售");
        if (basePos.childCount>=2)
        {
            Destroy(basePos.GetChild(0).gameObject);
            InItUI();
        }
        else
        {
            Debug.Log("目标地基没有炮塔。无法操作！");
        }
    }

    private void InItUI()//初始化UI
    {
        selectTower = null;
        selectPanel.SetActive(false);
        firstPanel.SetActive(true);
        nextSelectPanel.SetActive(false);

    }
}

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

public class NewTowerAI : MonoBehaviour
{
    [HideInInspector]
    public List<GameObject> enemy;//可以攻击的列表
    private GameObject targetObject;//目标怪物
    private float dis;
    private Transform turret;//炮塔可以旋转的部位
    private float times;
    private GameObject bulletPrefab;
    private Transform firePos;
    // Start is called before the first frame update
    void Start()
    {
        dis = 1000;
        times = 0;
        enemy = new List<GameObject>();
        targetObject = null;
        turret = transform.GetChild(0);
        firePos = turret.GetChild(0);
        bulletPrefab = Resources.Load<GameObject>("Prefabs/Bullet");
    }
    // Update is called once per frame
    void Update()
    {
        Debug.Log(enemy.Count);
        if (enemy.Count>0)
        {
            if (targetObject==null)
            {
                //选怪
                targetObject = SelectTarget();
            }
        }
        if (targetObject!=null)
        {
            //前奏攻击
            LookTarget();
        }
    }
    public void OnTriggerEnter(Collider other)//检测怪物刚进入攻击范围
    {
        if (other.tag=="Enemy")
        {
            if (!enemy.Contains(other.gameObject))
            {
                enemy.Add(other.gameObject);
            }
        }
    }
    public void OnTriggerExit(Collider other)//当怪物离开攻击范围
    {
        if (other.tag=="Enemy")
        {
            if (targetObject !=null&&other.name == targetObject.name)
            {
                targetObject = null;
            }
            if (enemy.Contains(other.gameObject))
            {            
                enemy.Remove(other.gameObject);
            }
        }
    }

    private GameObject SelectTarget()//选怪
    {
        GameObject temp = null;
        float distance = 0;
        for (int i = 0; i <enemy.Count; i++)
        {

            if (enemy[i] != null) //原因是因为那个怪物死了 又被你的另一个塔给选中了 拿去算距离，这个时候报错说已经销毁了
            {
                distance = Vector3.Distance(transform.position, enemy[i].transform.position);
                if (distance <= dis)
                {
                    dis = distance;
                    temp = enemy[i];
                }
            }
        }
        return temp;
    }
    private void LookTarget()
    {
        Vector3 pos = targetObject.transform.position;
        pos.y = turret.position.y;
        turret.LookAt(pos);
        times += Time.deltaTime;
        if (times>=1)
        {
            //产生实际的攻击效果
            Attack();
            times = 0;
        }
    }
    private void Attack()
    {
            GameObject bullet = Instantiate(bulletPrefab, firePos.position, Quaternion.identity);
        //给子弹挂脚本
        bullet.AddComponent<NewBulletMove>().target=targetObject;
        bullet.transform.LookAt(targetObject.transform.position);
        bullet.GetComponent<NewBulletMove>().script = this;
    }
}

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

public class NewBulletMove : MonoBehaviour
{
    public GameObject target = null;
    public NewTowerAI script=null;
    private float times;
    // Start is called before the first frame update
    void Start()
    {
        times = 3;
    }

    // Update is called once per frame
    void Update()
    {
        times -= Time.deltaTime;
        if (times<=0)
            Destroy(gameObject);
        transform.Translate(Vector3.forward * Time.deltaTime * 15);
        Attack();
    }
    private void Attack()
    {
        if (target!=null)
        {
            if (Vector3.Distance(transform.position,target.transform.position)<1)
            {
                Destroy(target);
                script.enemy.Remove(target);
                Destroy(gameObject);
            }
        }
        else
        {
            Destroy(gameObject);
        }
    }
}