using JetBrains.Annotations;
using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;

public class CriticalTextBehavior : MonoBehaviour
{

    private const float Lifetime = 1.0f;
    private const float FadeinThreshold = 0.1f;

    private float Age = 0.0f;

    // Start is called before the first frame update
    void Start()
    {
        gameObject.GetComponent<TextMeshProUGUI>().color = new Color(1.0f, 1.0f, 1.0f, 0.0f);
        gameObject.GetComponent<RectTransform>().anchorMin = new Vector2(0.5f, 1f);
        gameObject.GetComponent<RectTransform>().anchorMax = new Vector2(0.5f, 1f);
    }

    // Update is called once per frame
    void Update()
    {
        Age += Time.deltaTime;

        if (Age > Lifetime)
        {
            Destroy(gameObject);
        }
        else
        {
            float currentAlpha = (Age < FadeinThreshold) ? Mathf.InverseLerp(0.0f, FadeinThreshold, Age) : Mathf.InverseLerp(Lifetime, FadeinThreshold, Age);
            gameObject.GetComponent<TextMeshProUGUI>().color = new Color(1.0f, 1.0f, 1.0f, currentAlpha);
            float scale = Mathf.Lerp(0.8f, 1.0f, currentAlpha);
            gameObject.transform.localScale = new Vector3(scale, scale, scale);
            float currentPosAlpha = Mathf.InverseLerp(0.0f, Lifetime, Age);
        }
    }
}