47b.cs

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

[RequireComponent(typeof(CapsuleCollider))]
[RequireComponent(typeof(Rigidbody))]
[RequireComponent(typeof(NavMeshAgent))]

public class Opponent : MonoBehaviour
{
    private NavMeshAgent agent;
    private Vector3 startPoint;

    Rigidbody rb;
    CapsuleCollider caps;
    private Animator animator;

    GameObject player;

    [SerializeField] float time;
    [SerializeField] float chaseTime = 5.0f;
    [SerializeField] float attackTime = 0.5f;
    [SerializeField] float chaseSpeed = 3.5f;
    [SerializeField] float returnSpeed = 1.0f;

    enum Action
    {
        Wait,
        Attack,
        Chase,
        Damage,
        Return
    }
    [SerializeField] Action action = Action.Wait;

    public GameObject attackJudgment;

    //SEオブジェクトを入れる
    GameObject seObj;
    //SEスクリプトを入れる
    SE seScr;

    void Start()
    {
        animator = GetComponent<Animator>();

        rb = GetComponent<Rigidbody>();
        rb.constraints = RigidbodyConstraints.FreezeRotation;

        caps = GetComponent<CapsuleCollider>();
        caps.center = new Vector3(0, 0.8f, 0);
        caps.radius = 0.23f;
        caps.height = 1.6f;

        agent = GetComponent<NavMeshAgent>();

        agent.autoBraking = false;

        startPoint = transform.position;

        player = GameObject.FindGameObjectWithTag("Player");

        attackJudgment.SetActive(false);

        //SEオブジェクトを取得
        seObj = GameObject.Find("SE");
        //SEスクリプトを取得
        seScr = seObj.GetComponent<SE>();
    }

    void Update()
    {
        if (action == Action.Wait)
        {
            agent.isStopped = true;

            animator.SetFloat("Y", agent.velocity.sqrMagnitude);
        }
        else if (action == Action.Chase)
        {
            agent.isStopped = false;
            agent.destination = player.transform.position;
            agent.speed = chaseSpeed;
            animator.SetFloat("Y", agent.velocity.sqrMagnitude);

            time += Time.deltaTime;

            if (time > chaseTime)
            {
                action = Action.Return;
                time = 0;
            }
        }
        else if (action == Action.Attack)
        {
            animator.SetBool("Attack", true);
            agent.speed = 0;
            attackJudgment.SetActive(true);
        }
        else if (action == Action.Damage)
        {
            animator.SetBool("Damage", true);
            agent.speed = 0;
        }
        else if (action == Action.Return)
        {
            animator.SetFloat("Y", agent.velocity.sqrMagnitude);
            agent.speed = returnSpeed;
            agent.destination = startPoint;

            if (!agent.pathPending && agent.remainingDistance < 0.1f)
            {
                action = Action.Wait;
            }
            
        }
    }

    private void OnTriggerEnter(Collider other)
    {
        if (other.gameObject.tag == "PlayerAttack")
        {
            if (action == Action.Damage)
            {
                return;
            }
            else
            {
                action = Action.Damage;

                //SEスクリプトのDamageSound()を呼ぶ
                seScr.DamageSound();
            }
        }
    }

    private void OnCollisionEnter(UnityEngine.Collision collision)
    {
        if (collision.gameObject.tag == "Player" && action == Action.Chase)
        {
            action = Action.Attack;

            //SEスクリプトのAttackSound()を呼ぶ
            seScr.AttackSound();
        }
    }

    void DamageEnd()
    {
        animator.SetBool("Damage", false);
        action = Action.Chase;
    }

    void AttackEnd()
    {
        Invoke("AttackEndAnim", attackTime);
    }

    void AttackEndAnim()
    {
        animator.SetBool("Attack", false);
        attackJudgment.SetActive(false);
        action = Action.Chase;
    }
}