using UnityEngine;
using Photon.Pun;

public class Amateras : MonoBehaviourPunCallbacks
{
    private float timer;
    private float interval = 10f;
    private GameObject[] targets;
    public GameObject shotPoint;
    private Vector3 currentTargetPos;
    private float launchAngle = 75f;

    void Update()
    {
        if (!photonView.IsMine)
        {
            return;
        }

        Vector3 pos = transform.position;
        pos.y = 30;
        transform.position = Vector3.MoveTowards(transform.position, pos, 0.01f);

        timer += Time.deltaTime;

        if (timer > interval)
        {
            targets = GameObject.FindGameObjectsWithTag("Target");

            // 一度に攻撃する数の設定
            int shotCount = Mathf.Min(targets.Length, 15);

            for (int i = 0; i < shotCount; i++)
            {
                // ターゲットが破壊されていないかを確認
                if (targets[i] != null)
                {
                    Shoot(targets[i].transform.position);
                }
            }

            timer = 0;
        }
    }

    void Shoot(Vector3 targetPos)
    {
        GameObject bomb = PhotonNetwork.Instantiate("Bomb", shotPoint.transform.position, Quaternion.identity);
        Rigidbody bombRb = bomb.GetComponent<Rigidbody>();

        currentTargetPos = targetPos;
        Vector3 diff = currentTargetPos - shotPoint.transform.position;
        float h = diff.y;
        diff.y = 0;
        float distance = diff.magnitude;
        float g = Physics.gravity.magnitude;
        float angle = launchAngle * Mathf.Deg2Rad;
        float cosA = Mathf.Cos(angle);
        float tanA = Mathf.Tan(angle);

        float denominator = 2 * cosA * cosA * (distance * tanA - h);
        if (denominator <= 0)
        {
            return;
        }

        float velocity = Mathf.Sqrt((g * distance * distance) / denominator);
        Vector3 velocityVec = diff.normalized * velocity * cosA;
        velocityVec.y = velocity * Mathf.Sin(angle);
        bombRb.linearVelocity = velocityVec;
    }
}