station_obscurum_unity/Assets/Scripts/Item/InteractableItem.cs

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


[RequireComponent(typeof(Collider))]
[RequireComponent(typeof(Rigidbody))]
public abstract class InteractableItem : CarryableItem
{
   

    [SerializeField]
    private Canvas interactionCanvas;
    private TMP_Text[] interaction_texts;
    private Image[] interaction_images;
    protected float target_alpha = 0;
    [SerializeField]
    protected bool canPickup = false;
    protected bool isEnabled = false;

    public bool CanPickup { get { return canPickup; } }
    public bool IsEnabled { get { return isEnabled; } }

    public void Enable()
    {
        //print("Enabled!");
        interactionCanvas.transform.LookAt((GameObject.FindGameObjectWithTag("MainCamera").transform.position));
        interactionCanvas.transform.Rotate(0, 180, 0);
        target_alpha = 1;
        isEnabled = true;
    }
    
    public void Disable()
    {
        //print("Disabled!");
        target_alpha = 0;
        isEnabled = true;
    }
    public abstract bool Interact();
    public abstract bool Interact(ref Inventory inventory,ref HeavyInteractableItem heavyInvent);
    
    protected void BaseAwake()
    {
        interaction_texts = interactionCanvas.GetComponentsInChildren<TMP_Text>();
        interaction_images = interactionCanvas.GetComponentsInChildren<Image>();
        foreach (TMP_Text text in interaction_texts)
        {
            text.color = new Color(text.color.r, text.color.g, text.color.b, 0);
        }
        foreach (Image image in interaction_images)
        {
            image.color = new Color(image.color.r, image.color.g, image.color.b, 0);
        }
    }
    protected void BaseFixedUpdate()
    {
        foreach (TMP_Text text in interaction_texts)
        {
            text.color = Color.Lerp(new Color(text.color.r, text.color.g, text.color.b, text.color.a), new Color(text.color.r, text.color.g, text.color.b, target_alpha), 10 * Time.deltaTime);
        }
        foreach (Image image in interaction_images)
        {
            image.color = Color.Lerp(new Color(image.color.r, image.color.g, image.color.b, image.color.a), new Color(image.color.r, image.color.g, image.color.b, target_alpha), 10 * Time.deltaTime);
        }
    }

    private void Awake()
    {
        BaseAwake();
    }
    private void FixedUpdate()
    {
        BaseFixedUpdate();
    }
}