Unity类银河恶魔城学习记录1-10 PlayerWallJump源代码 P37

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

【Unity教程】从0编程制作类银河恶魔城游戏_哔哩哔哩_bilibili

Player.cs

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

public class Player : MonoBehaviour
{
    [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; }
    [Header("Collision Info")]
    [SerializeField] private Transform groundCheck;//transform类，代表的时物体的位置,后面会来定位子组件的位置    
    [SerializeField] private float groundCheckDistance;
    [SerializeField] private Transform wallCheck;//transform类，代表的时物体的位置,后面会来定位子组件的位置    
    [SerializeField] private float wallCheckDistance;
    [SerializeField] private LayerMask whatIsGround;//LayerMask类，与Raycast配合，https://docs.unity3d.com/cn/current/ScriptReference/Physics.Raycast.html

    public int facingDir { get; private set; } = 1;
    private bool facingRight = true;//判断是否朝右
    #region 定义Unity组件
    public Animator anim { get; private set; }//这样才能配合着拿到自己身上的animator的控制权
    public Rigidbody2D rb { get; private set; }//配合拿到身上的Rigidbody2D组件控制权
    #endregion
    #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; }
    #endregion
    private void 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
        //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）
    private void Start()
    {
        anim = GetComponentInChildren<Animator>();//拿到自己身上的animator的控制权
        rb = GetComponent<Rigidbody2D>();
        stateMachine.Initialize(idleState);

    }
   
    private 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 //sta