Alex教程每一P的教程原代码加上我自己的理解初步理解写的注释，可供学习Alex教程的人参考
此代码仅为较上一P有所改变的代码
【Unity教程】从0编程制作类银河恶魔城游戏_哔哩哔哩_bilibili
Clone_Skill.cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class Clone_Skill : Skill
{[Header("Clone Info")][SerializeField] private GameObject clonePrefab;//克隆原型[SerializeField] private float cloneDuration;//克隆持续时间[SerializeField] private bool canAttack;// 判断是否可以攻击public void CreateClone(Transform _clonePosition)//传入克隆位置{GameObject newClone = Instantiate(clonePrefab);//创建新的克隆//克隆 original 对象并返回克隆对象。//https://docs.unity3d.com/cn/current/ScriptReference/Object.Instantiate.htmlnewClone.GetComponent<Clone_Skill_Controller>().SetupClone(_clonePosition,cloneDuration,canAttack);//调试clone的位置,同时调试克隆持续时间//Controller绑在克隆原型上的，所以用GetComponents，}}
Clone_Skill_Controller.cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;//Clone_Skill_Controller是绑在Clone体上的也就是Prefah上的
public class Clone_Skill_Controller : MonoBehaviour
{private Animator anim;//声明animatorprivate SpriteRenderer sr;//定义Sr[SerializeField] private float colorLoosingSpeed;//加速消失时间 private float cloneTimer;//定时器[SerializeField]private Transform attackCheck;[SerializeField] private float attackCheckRadius = .8f;private Transform closestEnemy;private void Awake(){sr = GetComponent<SpriteRenderer>();//拿到Sranim = GetComponent<Animator>();//拿到anim}private void Update(){cloneTimer -= Time.deltaTime;if(cloneTimer < 0){sr.color = new Color(1, 1, 1,sr.color.a-(Time.deltaTime * colorLoosingSpeed));//设置sr消失}if(sr.color.a<0){Destroy(gameObject);}}public void SetupClone(Transform _newTransform,float _cloneDuration,bool _canAttack){if(_canAttack){ anim.SetInteger("AttackNumber", Random.Range(1, 3));//返回[minInclusive..maxInclusive]（范围包括在内）内的随机浮点值。如果minInclusive大于maxInclusive，则数字会自动交换。} //Random.Range()//https://docs.unity3d.com/cn/current/ScriptReference/Random.Range.htmltransform.position = _newTransform.position;//这个函数实现了将克隆出来的对象的位置与Dash之前的位置重合的效果cloneTimer = _cloneDuration;FaceCloseTarget();}private void AnimationTrigger(){cloneTimer = -.1f;}private void AttackTrigger(){Collider2D[] colliders = Physics2D.OverlapCircleAll(attackCheck.position, attackCheckRadius);//创建一个碰撞器组，保存所有圈所碰到的碰撞器//https://docs.unity3d.com/2022.3/Documentation/ScriptReference/Physics2D.OverlapCircleAll.htmlforeach (var hit in colliders)//https://blog.csdn.net/m0_52358030/article/details/121722077{if (hit.GetComponent<Enemy>() != null){hit.GetComponent<Enemy>().Damage();}}}private void FaceCloseTarget(){Collider2D[] colliders = Physics2D.OverlapCircleAll(transform.position, 25);//找到环绕自己的所有碰撞器float closestDistance = Mathf.Infinity;//正无穷大的表示形式（只读）//https://docs.unity3d.com/cn/current/ScriptReference/Mathf.Infinity.htmlforeach(var hit in colliders){if(hit.GetComponent<Enemy>()!=null){float distanceToEnemy = Vector2.Distance(transform.position, hit.transform.position);//拿到与敌人之间的距离if(distanceToEnemy < closestDistance)//比较距离，如果离得更近，保存这个敌人的位置,更改最近距离{closestDistance = distanceToEnemy;closestEnemy = hit.transform;}}}if(closestEnemy != null){if(transform.position.x>closestEnemy.position.x)//敌人在左面，转一圈{transform.Rotate(0,180,0);}}}
}
