SelectionManager - Part 4

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class SelectionManager : MonoBehaviour
{

    public static SelectionManager Instance {get; set;}


    public bool onTarget;


    public GameObject interaction_Info_UI;
    Text interaction_text;

    private void Start()
    {
        onTarget = false;
        interaction_text = interaction_Info_UI.GetComponent<Text>();
    }


    private void Awake()
    {
        if (Instance !=null && Instance != this)
        {

            Destroy(gameObject);

        }
        else
        {
            Instance = this;
        }
    }


    void Update()
    {
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        RaycastHit hit;
        if (Physics.Raycast(ray, out hit))
        {
            var selectionTransform = hit.transform;

            InteractableObject interactable = selectionTransform.GetComponent<InteractableObject>();


            if (interactable && interactable.playerInRange)
            {

                onTarget = true;

                interaction_text.text = interactable.GetItemName();
                interaction_Info_UI.SetActive(true);



            }
            else // if there is a hit but without an interatable script
            {
                onTarget = false;
                interaction_Info_UI.SetActive(false);

            }

        }
        else // if there is no hit at all.
        {
            onTarget = false;
            interaction_Info_UI.SetActive(false);
        }



    }

}