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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

PlayerPrimaryAttackState.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class PlayerPrimaryAttackState : PlayerState
{//p38 2.从ground进入private int comboCounter;private float lastTimeAttacked;//距离上一次攻击的时间private float comboWindow = 2;//可以间隔的时间public PlayerPrimaryAttackState(Player _player, PlayerStateMachine _stateMachine, string _animBoolName) : base(_player, _stateMachine, _animBoolName){}public override void Enter(){base.Enter();if(comboCounter >2||Time.time>comboWindow+lastTimeAttacked)//当计数器超过2和间隔时间大于window时，进入第一个攻击动作{comboCounter = 0;}Debug.Log(comboCounter);player.anim.SetInteger("ComboCounter", comboCounter);//设置animtor里的comboCounter#region 选择攻击方向float attackDir = player.facingDir;if(xInput != 0){attackDir = xInput;}#endregion//使其能改变攻击方向player.SetVelocity(player.attackMovement[comboCounter].x * attackDir, player.attackMovement[comboCounter].y);//给角色初速度，让角色在攻击触发时移动一点stateTimer = .1f;}public override void Exit(){base.Exit();player.StartCoroutine("BusyFor", .15f);comboCounter++;lastTimeAttacked = Time.time;}public override void Update(){base.Update();if(stateTimer<0){player.ZeroVelocity();}//1.修改移动时攻击时后可以移动的BUG//2.但给了点时间模拟惯性可以动一点if (triggerCalled){stateMachine.ChangeState(player.idleState);}}
}