character-system/Runtime/Interactables/DoorTrigger.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Sirenix.OdinInspector;

namespace KairoEngine.CharacterSystem
{
    public class DoorTrigger : MonoBehaviour
    {
        public DoorController doorController;
        public List<CharacterController> charactersInRange = new List<CharacterController>();

        void OnTriggerEnter(Collider co)
        {
            CharacterController character = co.gameObject.transform.root.GetComponentInChildren<CharacterController>();
            if(character == null) return;
            charactersInRange.Add(character);
        }

        void OnTriggerExit(Collider co)
        {
            CharacterController character = co.gameObject.transform.root.GetComponentInChildren<CharacterController>();
            if(character == null) return;
            charactersInRange.Remove(character);
        }
    }
}