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

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

namespace Item
{
    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 Item.FlareRegister register;

        public float Range => range;

        // Start is called before the first frame update
        private void Start()
        {
            register = Item.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);
        }
    }
}