Unity回合攻击

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

public class Move : MonoBehaviour
{
    public GameObject particle;
    public GameObject stoneHit;

    public Transform tf; 

    public Transform e2;
    public Material newMaterial; // 新材质
    private Material oldMaterial; // 旧材质
    private Renderer rd; // 渲染器组件

    public Vector3 oldPosition; // 初始位置

    void Start()
    {
        tf = this.transform;
        oldPosition = tf.position;
        particle = tf.Find("Stone slash").gameObject;
        stoneHit = tf.Find("Stones hit").gameObject;
         // 获取游戏对象的 Renderer 组件
        rd = e2.GetComponent();
        // 保存旧材质
        oldMaterial = rd.material;
        
    }


    public float coolTime;
    // Update is called once per frame
    void Update()
    {
        if (Input.GetKeyDown(KeyCode.W)) {
            tf.position += Vector3.forward;
        }

        if (Input.GetKeyDown(KeyCode.S)) {
            tf.position -= Vector3.forward;
        }

        if (Input.GetKeyDown(KeyCode.A)) {
            tf.position += Vector3.left;
        }

        if (Input.GetKeyDown(KeyCode.D)) {
            tf.position -= Vector3.left;
        }

        if (Input.GetKeyDown(KeyCode.P)) {
            doIt = 1;
        }

        if (Input.GetKeyDown(KeyCode.K)) {
            particle.SetActive(false);
        }
    }

    int doIt = 0; // 执行操作中
    void FixedUpdate() {
        Debug.DrawLine(tf.position, e2.position);//画出射线

        if (coolTime > 0) {
            coolTime -= Time.deltaTime;
        }
        
        if (coolTime < 0.1){ // 预估播放时间为：0.5s
            particle.SetActive(false);
            stoneHit.SetActive(false);
            rd.material = oldMaterial;
        }

        AutoMoveAndHit();
    }


    // 射线碰撞的目标对象
    RaycastHit hitInfo;
    // 射线的最大长度
    float maxDistance = 100;
    void hit() {
        coolTime = 0.5f;
        // 创建射线，返回是否检测到碰撞对象
        bool raycast = Physics.Raycast(tf.position, e2.position, out hitInfo, maxDistance);
        Debug.Log("是否碰撞" + raycast);
        stoneHit.transform.position = e2.position;
        particle.SetActive(true);
        stoneHit.SetActive(true);
        rd.material = newMaterial;


        // 如果发生碰撞，碰撞信息就被存储到 hitInfo 中
        if (raycast)
        {
            // 获取碰撞点坐标
            Vector3 point = hitInfo.point;
            Debug.Log("碰撞点坐标：" + point);
            // 获取碰撞目标的名称
            string name = hitInfo.collider.name;
            Debug.Log("碰撞对象名称：" + name);

            // 获取目标的碰撞体组件
            Collider coll = hitInfo.collider;
            //获取目标的Transgorm组件
            Transform trans = hitInfo.transform;

        }
    }



    public float speed = 5;
    void AutoMoveAndHit() {
        if (doIt == 0) {
            return;
        }

        // 计算距离, 逐帧移动
        if (doIt == 1) {
            // 注视旋转
            tf.rotation = Quaternion.LookRotation(e2.position - tf.position);

            float distance = Vector3.Distance(tf.position, e2.position);
            if (distance > 2) {
                tf.position = Vector3.MoveTowards(tf.position, e2.position, speed*Time.deltaTime);
                return;
            }
            doIt = 2;
        }
        
        
        // 移动已到位，执行攻击
        if (doIt == 2) {
            doIt =3;
            hit();
        }

        // 攻击结束，退回原位置
        if (doIt == 3) {
            if (coolTime > 0.1) { // 等待攻击动画完成
                return;
            }
            // 注视旋转
            tf.rotation = Quaternion.LookRotation(oldPosition -tf.position);

            float distance = Vector3.Distance(tf.position, oldPosition);
            Debug.Log("当前位置distance：" + distance);
            if (distance > 0) {
                tf.position = Vector3.MoveTowards(tf.position, oldPosition, speed*Time.deltaTime);
            } else {
                doIt = 0;
            }
        }
        
    }
}