Unity2D 敌人追踪/攻击/移动AI 第二期

AI功能简介：这个AI是在第一期的基础上进行修改后的AI，第一期的AI不能够自动追踪Palyer，只能够停留在原地不动，现在能够去自动追踪主角，只要进入了追踪范围内，就会一直追踪玩家，直至玩家离开追踪范围或被消灭，相关代码如下，操作与第一期相同，第一期链接如下：AI 第一期
展示：

脚本：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class Bunny : MonoBehaviour
{public static Bunny bunny;private void Awake(){bunny = this;}Animator animator;Rigidbody2D rg;public float MoveSpeed = 0;float changeTime = 0;float time = 0;//随机时间public float minTime = 0;public float maxTime = 0;int direction = 1;float distance_ = 0;bool isChange = false;bool canHit = false;Transform PlayerTransform;public float Distance = 0;float Dwell_gap = 0; //停留时间float Dwell_Cumulative = 0; //停留时间累积public float DwellMinTime = 0;public float DwellMaxTime = 0;float moveTime = 0; //行走时间//行走的最大时间和最短时间设定public float moveMinTime = 0;public float moveMaxTime = 0;float moveTimeCumulative = 0;bool isDwell = false;bool isDwellRange = false;bool CanMove = false;bool CanCount = false;bool CanTimeCumulative = false;bool isAttacking = false;bool isAttacked = false;public bool TrackPlayer = false;public float TrackSpeed = 0;public float CurrentPlayer = 0;public float Life_value = 0;public float hitTime = 0;bool isHit = false;float time1 = 0;public float TrackDistance = 0;GameObject gm;bool isinvincible = false;public float destory_door_value = 0;void Start(){animator = GetComponent<Animator>();rg = GetComponent<Rigidbody2D>();CanMove = false;CanCount = true;}void Update(){PlayerTransform = GameObject.Find("Player").transform;//得到与玩家的距离distance_ = Mathf.Sqrt(Mathf.Abs(PlayerTransform.transform.position.x - transform.position.x) * Mathf.Abs(PlayerTransform.transform.position.x - transform.position.x) +Mathf.Abs(PlayerTransform.transform.position.y - transform.position.y) * Mathf.Abs(PlayerTransform.transform.position.y - transform.position.y));time = time + Time.deltaTime;if (isChange == false){changeTime = Random.Range(minTime, maxTime);isChange = true;}transform.localScale = new Vector3(-direction, 1, 1);if (time > changeTime){direction = -direction;transform.localScale = new Vector3(-direction, 1, 1);time = 0;isChange = false;}//判断是否在攻击距离之内if (distance_ < Distance){canHit = true;}else{canHit = false;}if (canHit&&TrackPlayer){//判断玩家在怪物的哪边if (PlayerTransform.transform.position.x < transform.position.x){direction = 1;animator.SetBool("attack", true);GMF_PlayerController._PlayeController.inJured(CurrentPlayer);transform.localScale = new Vector3(direction, 1, 1);}else{direction = -1;animator.SetBool("attack", true);transform.localScale = new Vector3(direction, 1, 1);GMF_PlayerController._PlayeController.inJured(CurrentPlayer);}}else{animator.SetBool("attack", false);}//随机暂停时间 开始暂停 播放停留动画 人物停止移动 生成暂停时间if (CanCount){isDwellRange = true;CanTimeCumulative = true;CanCount = false;}if (isDwellRange) //设置停留动画 设置暂停时间 {Dwell_gap = Random.Range(DwellMinTime, DwellMaxTime);animator.SetBool("idem", true);animator.SetBool("run", false);CanMove = false;isDwellRange = false;}if (CanTimeCumulative){Dwell_Cumulative = Dwell_Cumulative + Time.deltaTime;}if (Dwell_Cumulative > Dwell_gap) //超过暂停时间 停留结束 结束停留动画 生成行走时间 开始行走动画{animator.SetBool("idem", false);animator.SetBool("run", true);moveTime = Random.Range(moveMinTime, moveMaxTime);CanMove = true;Dwell_Cumulative = 0;CanTimeCumulative = false;}//行走时间结束 if (CanMove){moveTimeCumulative = moveTimeCumulative + Time.deltaTime;if (moveTimeCumulative > moveTime){CanMove = false;moveTimeCumulative = 0;CanCount = true;}}if (Life_value <= 0){Destroy(this.gameObject);}if (isHit){// animator.SetBool("current", true);time1 = time1 + Time.deltaTime;if (time1 > hitTime){animator.SetBool("current", false);isinvincible = false;isHit = false;time1 = 0;}}}private void FixedUpdate(){//没有停留就可以移动if (CanMove){MoveMent();}}void MoveMent(){if (TrackPlayer){if (distance_ < TrackDistance){CanMove = true;Vector2 temp = Vector2.MoveTowards(transform.position, PlayerTransform.position, MoveSpeed * 2 * Time.deltaTime);//考虑到可能有碰撞检测，所以使用刚体的移动方式GetComponent<Rigidbody2D>().MovePosition(temp);//判断玩家在怪物的哪边if (PlayerTransform.transform.position.x < transform.position.x){direction = -1;transform.localScale = new Vector3(direction, 1, 1);}else{direction = 1;transform.localScale = new Vector3(direction, 1, 1);}}else{rg.velocity = new Vector2(1 * direction * MoveSpeed, 0);}}else{rg.velocity = new Vector2(1 * direction * MoveSpeed, 0);}}private void OnTriggerExit2D(Collider2D collision){if (collision.tag == "Player"){CanMove = true;}}private void OnTriggerEnter2D(Collider2D collision){if (collision.tag == "Player"){CanMove = false;}if (collision.tag == "bullte" || collision.tag=="hammer"){if (isinvincible == false){animator.SetBool("current", true);isinvincible = true;isHit = true;}}}public void Current(float value){Life_value = Life_value - value;}}

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