using UnityEngine;

public class CarController : MonoBehaviour
{
    private InputSystem_Actions isa;
    private Rigidbody rb;
    private float turnSpeed = 30f;
    private float maxSpeed = 15f;
    private float acceleration = 10f;
    private float deceleration = 3f;
    private float currentSpeed = 0;

    // ★スキッド音
    private AudioSource audioS;
    private float skidThreshold = 0.5f;  // この値以上の横入力で再生
    private float minSpeedForSkid = 5f;  // ある程度スピードが出てないとスキッドしない

    void Start()
    {
        isa = new InputSystem_Actions();
        isa.Enable();

        rb = GetComponent<Rigidbody>();

        // ★スキッド音
        audioS = GetComponent<AudioSource>();
    }

    void Update()
    {
        Vector2 movement2 = isa.Player.Move.ReadValue<Vector2>();
 
        float forwardInput = movement2.y;
        float turnInput = movement2.x;

        if(Mathf.Abs(forwardInput) > 0.1f)
        {
            currentSpeed += forwardInput * acceleration * Time.deltaTime;
        }
        else
        {
            currentSpeed = Mathf.MoveTowards(currentSpeed, 0, deceleration * Time.deltaTime);
        }

        currentSpeed = Mathf.Clamp(currentSpeed, -maxSpeed, maxSpeed);

        Vector3 move = transform.forward * currentSpeed * Time.fixedDeltaTime;
        rb.MovePosition(rb.position + move);

        float rotationAmount = turnInput * Time.fixedDeltaTime * turnSpeed;
        Quaternion turn = Quaternion.Euler(0, rotationAmount, 0);
        rb.MoveRotation(rb.rotation * turn);

        // ★スキッド音
        if (Mathf.Abs(turnInput) > skidThreshold && Mathf.Abs(currentSpeed) > minSpeedForSkid)
        {
            if (!audioS.isPlaying)
            {
                audioS.Play();
            }
        }
        else
        {
            if (audioS.isPlaying)
            {
                audioS.Stop();
            }
        }
    }

    private void OnDisable()
    {
        isa.Disable();
    }
}