[Unity3D] 随机播放攻击动画＆自动寻路功能

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

public class GetRandomAnimation : MonoBehaviour
{
    //定义怪物状态的枚举
    public enum State {
        /// <summary>
        /// 站立
        /// </summary>
        Stand,
        /// <summary>
        /// 走路
        /// </summary>
        Walk,
        /// <summary>
        /// 攻击
        /// </summary>
        Attack,
        /// <summary>
        /// 寻路
        /// </summary>
        PathFinding,
        /// <summary>
        /// 闲置状态
        /// </summary>
        Idle,
    }

    //攻击动画数组(将要使用的攻击动画名称复制进去)
    public string[] ATKAnimationList;
    //常用动画,将动画名称一 一写入即可
    public string Walk;
    public string Stand;
    public string Idle;
    public string Die;

    //声明动画组件
    public Animator animator;
    //默认寻路状态
    public State CurrentState = State.PathFinding;
    //攻击频率
    public float AtkInterval3s = 3f;
    //创建一个空物体并放置好位置,拖入即可生成怪物移动路线
    public Transform[] wayPoints;
    //当前下标
    private int CurrentIndex;
    //移动速度
    public float MoveSpeed = 5f;
    void Start()
    {
        //查找动画组件并赋值
        animator = this.GetComponent<Animator>();
        //默认动画站立姿势
        Playing(Stand);
    }


    void Update()
    {
        switch (CurrentState) {
            case State.PathFinding:
                //播放行走动画
                Playing(Walk);
                //如果到达了路径的终点,切换攻击状态为攻击
                if (PathFinding() == false) {
                    CurrentState = State.Attack;
                }
                break;
            case State.Stand:
                break;
            case State.Idle:
                break;
            case State.Attack:
                //随机一个攻击动画播放
                int animName = UnityEngine.Random.Range(0, ATKAnimationList.Length);
                Playing(ATKAnimationList[animName]);
                if (AtkInterval3s <= Time.time) {
                    CurrentState = State.Stand;
                }
                break;
            case State.Walk:
                break;
        }
    }

    //播放动画
    private void Playing(string AnimationName) {
         animator.SetBool(AnimationName,true);
    }

　　　　　//自动寻路
    public bool PathFinding() {

        //如果路线值为空 或者 到达路线最大值时 返回到达目标点
        if (wayPoints == null || CurrentIndex >= wayPoints.Length)return false;

        //注视当前目标点
        LookRotation(wayPoints[CurrentIndex].position);

        //朝着目标点移动
        MoveForward();

        //如果当前位置与目标点接近时
        if (Vector3.Distance(this.transform.position, wayPoints[CurrentIndex].position) < 0.1f) {
            //更换下一个坐标点
            CurrentIndex++;
        }
        return true;
    }

    //注视平滑旋转
    private void LookRotation(Vector3 Target) {
        Quaternion dir = Quaternion.LookRotation(Target - this.transform.position);
        this.transform.rotation = Quaternion.Lerp(this.transform.rotation, dir, 0.1f);
    }

    //移动
    public void MoveForward() {
        this.transform.Translate(Vector3.forward * MoveSpeed * Time.deltaTime);
    }
}

自动寻路(右键新页面打开高清图)

随机切换攻击(请忽略动作位置偏移)右键新页面打开高清图