station_obscurum_unity/Assets/Scripts/Item/FlareBeacon/FlareBeacon.cs

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

public class FlareBeacon : MonoBehaviour
{
    [SerializeField] private float range = 1;

    [SerializeField] private float duration = 5f;

    [SerializeField] private NavMeshObstacle obstacle;

    private readonly List<GameObject> inRange = new();

    private FlareRegister register;

    public float Range => range;

    // Start is called before the first frame update
    private void Start()
    {
        register = FlareRegister.instance;
        register.beacons.Add(this);
        transform.localEulerAngles = new Vector3(-89.98f, 0, 0);
        var r = new Ray();
        r.direction = -transform.forward;
        r.origin = transform.position;
        RaycastHit hit;
        var rays = Physics.RaycastAll(r);
        foreach (var _hit in rays)
        {
            if (_hit.transform.gameObject.GetComponent<FlareBeacon>() != null) continue;
            transform.position = _hit.point;
            break;
        }

        if (Physics.Raycast(r, out hit))
        {
            // transform.position = hit.point;
        }

        if (obstacle != null)
            obstacle.radius = range / 10;
    }

    // Update is called once per frame
    private void Update()
    {
    }

    private void OnDrawGizmosSelected()
    {
        // Draw a yellow sphere at the transform's position
        Gizmos.color = Color.yellow;

        Gizmos.DrawWireSphere(transform.position, range);
    }


    private void OnTriggerEnter(Collider other)
    {
        inRange.Add(other.gameObject);
    }

    private void OnTriggerExit(Collider other)
    {
        inRange.Remove(other.gameObject);
    }
}