using System.Collections;
using TMPro;
using UnityEngine;
using Random = System.Random;

public class DamageNumber : MonoBehaviour
{
    [SerializeField]
    TextMeshProUGUI textMesh;
    [SerializeField]
    private float speed;
    [SerializeField]
    private float moveSpeed=10f;
    
    private Camera mainCamera;
    
    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {
        Random rnd = new Random();
        speed += rnd.Next(-10, 10)/100f;
        mainCamera = Camera.main;

        StartCoroutine(Animate());
    }

    IEnumerator Animate()
    {
        textMesh.color = new Color(textMesh.color.r, textMesh.color.g, textMesh.color.b, 1);
        transform.LookAt(transform.position - mainCamera.transform.position);
        
        yield return new WaitForSeconds(0.2f);
        while (textMesh.color.a > 0)
        {
            float newAlpha = textMesh.color.a - Time.deltaTime * speed / 255f; // Reduce alpha in the float range
            newAlpha = Mathf.Clamp01(newAlpha); // Ensure it remains between 0 and 1
            textMesh.color = new Color(textMesh.color.r, textMesh.color.g, textMesh.color.b, newAlpha); // Assign the new alpha value

            this.transform.position = new Vector3(transform.position.x, transform.position.y+moveSpeed*Time.deltaTime, transform.position.z);

            transform.LookAt(transform.position - mainCamera.transform.position);
            
            yield return null;
        }
        Destroy(this.gameObject);
    }
}