Unity进阶第三章-有限状态机FSM(三种方法实现角色动画操作)

一、有限状态机FSM概述

二、不用有限状态机实现角色的走路、攻击动作

（1）新建角色、地面、为角色添加动画

（2）为角色添加脚本

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class Player1Control : MonoBehaviour
{private Animator ani;void Start(){ani = GetComponent<Animator>();   }// Update is called once per framevoid Update(){float vertical = Input.GetAxis("Vertical");float horizontal = Input.GetAxis("Horizontal");Vector3 dir = new Vector3(horizontal, 0, vertical);if (dir != Vector3.zero){transform.rotation = Quaternion.LookRotation(dir);transform.Translate(Vector3.forward * 3 * Time.deltaTime);ani.SetBool("IsWalk", true);}else{ani.SetBool("IsWalk", false);}if (Input.GetKeyDown(KeyCode.Space)){ani.SetTrigger("Attack");}}
}

这样是能够实现角色的各种动画，但是由于if语句过多，可能以后修改起来会很麻烦。

三、用方法实现角色的走路、攻击动作

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public enum PlayerState
{idle,walk,attack
}
public class Player2Control2 : MonoBehaviour
{private Animator ani;private PlayerState state = PlayerState.idle;// Start is called before the first frame updatevoid Start(){ani = GetComponent<Animator>();}// Update is called once per framevoid Update(){switch (state){case PlayerState.idle:idle();break;case PlayerState.walk:walk();break;case PlayerState.attack:attack();break;}}void idle(){//站立方法ani.SetBool("IsWalk", false);float vertical = Input.GetAxis("Vertical");float horizontal = Input.GetAxis("Horizontal");Vector3 dir = new Vector3(horizontal, 0, vertical);if (dir != Vector3.zero){//切换为走路状态state = PlayerState.walk;}if (Input.GetKeyDown(KeyCode.Space)){//切换为攻击状态state = PlayerState.attack;}}void walk(){ani.SetBool("IsWalk", true);float vertical = Input.GetAxis("Vertical");float horizontal = Input.GetAxis("Horizontal");Vector3 dir = new Vector3(horizontal, 0, vertical);if (dir != Vector3.zero){transform.rotation = Quaternion.LookRotation(dir);transform.Translate(Vector3.forward * 3 * Time.deltaTime);}else{state = PlayerState.idle;}}void attack(){ani.SetTrigger("Attack");//如果你当前的状态不是攻击，切换状态if (!ani.GetCurrentAnimatorStateInfo(0).IsName("Elemental@UnarmedAttack01")) ;{state = PlayerState.idle;}}
}

三、用类实现角色的走路、攻击动作

状态类

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public enum PlayerState
{idle,walk,attack
}
public abstract class FSMstate
{//当前状态IDpublic int StateID;//当前状态拥有者public MonoBehaviour mono;//状态所属管理器public FSMManager fSMManager;public FSMstate(int StateID,MonoBehaviour mono,FSMManager manager){this.StateID = StateID;this.mono = mono;this.fSMManager = manager;}public abstract void OnEnter();public abstract void OnUpdate();
}

状态管理类

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class FSMManager : MonoBehaviour
{// Start is called before the first frame update//列表状态public List<FSMstate> stateList = new List<FSMstate>();//当前状态public int CurrentIndex = -1;public void ChangeState(int StateID){stateList[CurrentIndex].OnEnter();CurrentIndex = StateID;}//更新public void Update(){if (CurrentIndex != -1){stateList[CurrentIndex].OnUpdate();}}
}

PlayerControl类

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class Payer : MonoBehaviour
{private FSMManager fSMManager;void Start(){fSMManager = new FSMManager();IdleState idle = new IdleState(0,this,fSMManager);WalkState walk = new WalkState(1, this, fSMManager);AttackState attack = new AttackState(2, this, fSMManager);fSMManager.stateList.Add(idle);fSMManager.stateList.Add(walk);fSMManager.stateList.Add(attack);fSMManager.ChangeState((int)PlayerState.idle);}void Update(){fSMManager.Update();}
}

IdleState类

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class IdleState : FSMState
{public IdleState(int stateID,MonoBehaviour mono,FSMManager manager) : base(stateID, mono, manager){}public override void OnEnter(){mono.GetComponent<Animator>().SetBool("IsWalk", false);}public override void OnUpdate(){float vertical = Input.GetAxis("Vertical");float horizontal = Input.GetAxis("Horizontal");Vector3 dir = new Vector3(horizontal, 0, vertical);if (dir != Vector3.zero){fSMManager.ChangeState((int)PlayerState.walk);}//监听攻击状态切换if (Input.GetKeyDown(KeyCode.Space)){fSMManager.ChangeState((int)PlayerState.attack);}}}

WalkState类

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class WalkState : FSMState
{public WalkState(int stateID,MonoBehaviour mono,FSMManager manager) : base(stateID, mono, manager){}public override void OnEnter(){mono.GetComponent<Animator>().SetBool("IsWalk", true);}public override void OnUpdate(){float horizontal = Input.GetAxis("Horizontal");float vertical = Input.GetAxis("Vertical");Vector3 dir = new Vector3(horizontal, 0, vertical);if (dir != Vector3.zero){mono.transform.rotation = Quaternion.LookRotation(dir);mono.transform.Translate(Vector3.forward * 3 * Time.deltaTime);}else{//切换到站立状态fSMManager.ChangeState((int)PlayerState.idle);}}// Start is called before the first frame update}

AttackState类

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class AttackState : FSMState
{public AttackState(int stateID,MonoBehaviour mono,FSMManager manager) : base(stateID, mono, manager){}public override void OnEnter(){mono.GetComponent<Animator>().SetTrigger("Attack");}public override void OnUpdate(){if (!mono.GetComponent<Animator>().GetCurrentAnimatorStateInfo(0).IsName("Elemental@UnarmedAttack01")){fSMManager.ChangeState((int)PlayerState.idle);}}
}

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Unity进阶第三章-有限状态机FSM(三种方法实现角色动画操作)

一、有限状态机FSM概述

二、不用有限状态机实现角色的走路、攻击动作

三、用方法实现角色的走路、攻击动作

三、用类实现角色的走路、攻击动作

Unity进阶第三章-有限状态机FSM(三种方法实现角色动画操作)相关推荐

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