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

[RequireComponent(typeof(CharacterController))]
[RequireComponent(typeof(AudioSource))]
public class PlayerController : MonoBehaviour
{
    public float walkSpeed;
    public float runSpeed;
    private Vector3 movement;
    private CharacterController characterController;
    private AudioSource audioSource;

    public GameObject FPSCamera;
    private Vector3 moveDir = Vector3.zero;

    // ★追加（ジャンプ）
    private float gravity = 9.8f;
    public float jumpPower;
    public AudioClip jumpSound;

    private void Start()
    {
        characterController = GetComponent<CharacterController>();
        audioSource = GetComponent<AudioSource>();
    }

    private void Update()
    {
        PlayerMove();
    }

    void PlayerMove()
    {
        float moveH = Input.GetAxis("Horizontal");
        float moveV = Input.GetAxis("Vertical");
        movement = new Vector3(moveH, 0, moveV);

        Vector3 desiredMove = FPSCamera.transform.forward * movement.z + FPSCamera.transform.right * movement.x;
        moveDir.x = desiredMove.x * 5f;
        moveDir.z = desiredMove.z * 5f;

        if (Input.GetKey(KeyCode.LeftShift))
        {
            characterController.Move(moveDir * Time.deltaTime * runSpeed);
        }
        else
        {
            characterController.Move(moveDir * Time.deltaTime * walkSpeed);
        }

        // ★追加（ジャンプ）
        if(characterController.isGrounded)
        {
            if(Input.GetKeyDown(KeyCode.Space))
            {
                moveDir.y = jumpPower;
                audioSource.clip = jumpSound;
                audioSource.Play();
            }
        }
        else
        {
            // 擬似重力の実装
            moveDir.y -= gravity * Time.deltaTime;
        }
    }
}