Unity类银河恶魔城学习记录6-1 P65 Clone Creating Ability源代码

 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

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Clone_Skill.cs

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

public class Clone_Skill : Skill
{
    [Header("Clone")]
    [SerializeField] private GameObject clonePrefah;//克隆原型
    [SerializeField] private float cloneDuration;//克隆持续时间
    public void CreateClone(Transform _clonePosition)//传入克隆位置
    {
        GameObject newClone = Instantiate(clonePrefah);//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.html

        newClone.GetComponent().SetupClone(_clonePosition,cloneDuration);//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 SpriteRenderer sr;//定义Sr
    [SerializeField] private float colorLoosingSpeed;//加速消失时间

    
    private float cloneTimer;//定时器

    private void Awake()
    {
        sr = GetComponent();//拿到Sr
    }
    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
        }
    }
    public void SetupClone(Transform _newTransform,float _cloneDuration)
    {
        transform.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;
    }
}

SkillManager.cs

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

public class SkillManager : MonoBehaviour
{
    public static SkillManager instance;

    public Dash_Skill dash { get; private set; }
    public Clone_Skill clone { get; private set; }
    private void Awake()
    {
        if (instance != null)
        {
            Destroy(instance.gameObject);
        }
        else
            instance = this;
    }
    private void Start()
    {
        dash = GetComponent();
        clone = GetComponent();
    }
}

Player.cs

using System.Collections;
using System.Collections.Generic;
using Unity.VisualScripting;
using UnityEngine;

public class Player : Entity
{
    [Header("Attack Details")]
    public Vector2[] attackMovement;//每个攻击时获得的速度组
    public float counterAttackDuration = .2f;
    


    public bool isBusy{ get; private set; }//防止在攻击间隔中进入move
    //
    [Header("Move Info")]
    public float moveSpeed;//定义速度，与xInput相乘控制速度的大小
    public float jumpForce;
    [Header("Dash Info")]
    [SerializeField] private float dashCooldown;
    private float dashUsageTimer;//为dash设置冷却时间，在一定时间内不能连续使用
    public float dashSpeed;//冲刺速度
    public float dashDuration;//持续时间
    public float dashDir { get; private set; }


    
    
    #region 定义States
    public PlayerStateMachine stateMachine { get; private set; }
    public PlayerIdleState idleState { get; private set; }
    public PlayerMoveState moveState { get; private set; }
    public PlayerJumpState jumpState { get; private set; }
    public PlayerAirState airState { get; private set; }
    public PlayerDashState dashState { get; private set; }
    public PlayerWallSlideState wallSlide { get; private set; }
    public PlayerWallJumpState wallJump { get; private set; }
    


    public PlayerPrimaryAttackState primaryAttack { get; private set; }
    public PlayerCounterAttackState counterAttack { get; private set; }

    public SkillManager skill { get; private set; }
    #endregion
    protected override void Awake()
    {

        base.Awake();
        stateMachine = new PlayerStateMachine();
        //通过构造函数，在构造时传递信息
        idleState = new PlayerIdleState(this, stateMachine, "Idle");
        moveState = new PlayerMoveState(this, stateMachine, "Move");
        jumpState = new PlayerJumpState(this, stateMachine, "Jump");
        airState = new PlayerAirState(this, stateMachine, "Jump");
        dashState = new PlayerDashState(this, stateMachine, "Dash");
        wallSlide = new PlayerWallSlideState(this, stateMachine, "WallSlide");
        wallJump = new PlayerWallJumpState(this, stateMachine, "Jump");//wallJump也是Jump动画


        primaryAttack = new PlayerPrimaryAttackState(this, stateMachine, "Attack");
        counterAttack = new PlayerCounterAttackState(this, stateMachine, "CounterAttack");

        //this 就是 Player这个类本身
    }//Awake初始化所以State，为所有State传入各自独有的参数，及animBool，以判断是否调用此动画（与animatoin配合完成）
    protected override void Start()
    {
        base.Start();
        stateMachine.Initialize(idleState);
        skill = SkillManager.instance;

    }

    protected override void Update()//在mano中update会自动刷新但其他没有mano的不会故，需要在这个updata中调用其他脚本中的函数stateMachine.currentState.update以实现 //stateMachine中的update

    {
        base.Update();
        stateMachine.currentState.Update();//反复调用CurrentState的Update函数
        CheckForDashInput();
        
    }

    public IEnumerator BusyFor(float _seconds)//https://www.zhihu.com/tardis/bd/art/504607545?source_id=1001
    {
        isBusy = true;
        yield return new WaitForSeconds(_seconds);
        isBusy = false;
    
    }//p39 4.防止在攻击间隔中进入move,通过设置busy值，在使用某些状态时，使其为busy为true，抑制其进入其他state
     //IEnumertor本质就是将一个函数分块执行，只有满足某些条件才能执行下一段代码，此函数有StartCoroutine调用
    public void AnimationTrigger() => stateMachine.currentState.AnimationFinishTrigger();
    //从当前状态拿到AnimationTrigger进行调用的函数

    public void CheckForDashInput()
    {

        
        if (IsWallDetected())
        {
            return;
        }//修复在wallslide可以dash的BUG
        if (Input.GetKeyDown(KeyCode.LeftShift) && skill.dash.CanUseSkill())//将DashTimer<0 的判断 改成DashSkill里的判断
        {

            
            dashDir = Input.GetAxisRaw("Horizontal");//设置一个值，可以将dash的方向改为你想要的方向而不是你的朝向
            if (dashDir == 0)
            {
                dashDir = facingDir;//只有当玩家没有控制方向时才使用默认朝向
            }
            stateMachine.ChangeState(dashState);
        }

    }//将Dash切换设置成一个函数，使其在所以情况下都能使用
    
   
    
}

PlayerDashState.cs

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

public class PlayerDashState : PlayerState
{   //由Ground进入
    public PlayerDashState(Player _player, PlayerStateMachine _stateMachine, string _animBoolName) : base(_player, _stateMachine, _animBoolName)
    {
    }

    public override void Enter()
    {
        base.Enter();
        player.skill.clone.CreateClone(player.transform);//调用克隆函数,并传入当前位置已调试clone的位置
        stateTimer = player.dashDuration;设置Dash可以保持的值
        
    }

    public override void Exit()
    {
        base.Exit();
        player.SetVelocity(0, rb.velocity.y);//当退出时使速度为0防止动作结束后速度不变导致的持续移动

    }

    public override void Update()
    {
        base.Update();
        if(!player.IsGroundDetected()&&player.IsWallDetected())//修复无法在空中dash直接进入wallSlide,修复在wallslide可以dash
                                                               //因为一旦在wallSlide里dash，就会直接进wallSlide，当然还有更简单的方法
        {
            stateMachine.ChangeState(player.wallSlide);
        }
        player.SetVelocity(player.dashSpeed * player.dashDir, 0);//这个写在Update里，防止在x轴方向减速了，同时Y轴写成0，以防止dash还没有完成就从空中掉下去了
        if (stateTimer < 0)当timer小于0，切换
        {
            stateMachine.ChangeState(player.idleState);
        }
    }
}