using UnityEngine;

public class SukunaSlashEffect : MonoBehaviour
{
    [Header("Settings")]
    public float duration = 0.2f;
    public float maxScale = 5f;
    public AnimationCurve scaleCurve = AnimationCurve.EaseInOut(0, 0, 1, 1);
    
    [Header("Visuals")]
    private MeshRenderer meshRenderer;
    private MaterialPropertyBlock propBlock;
    private float timer = 0f;
    private static readonly int DissolveId = Shader.PropertyToID("_Dissolve");

    void Awake()
    {
        meshRenderer = GetComponent<MeshRenderer>();
        propBlock = new MaterialPropertyBlock();
    }

    void Start()
    {
        // Reset scale ban đầu
        transform.localScale = new Vector3(maxScale, 0.1f, 0.1f);
    }

    void Update()
    {
        timer += Time.deltaTime;
        float normalizedTime = timer / duration;

        if (normalizedTime <= 1.0f)
        {
            // Mở rộng vệt chém theo chiều ngang (Y hoặc Z tùy mesh)
            float currentScaleY = scaleCurve.Evaluate(normalizedTime) * maxScale;
            transform.localScale = new Vector3(maxScale, currentScaleY, 1f);
            
            // Điều khiển Shader bằng MaterialPropertyBlock
            if (meshRenderer != null)
            {
                meshRenderer.GetPropertyBlock(propBlock);
                propBlock.SetFloat(DissolveId, normalizedTime);
                meshRenderer.SetPropertyBlock(propBlock);
            }
        }
        else
        {
            // Tự hủy sau khi xong
            Destroy(gameObject);
        }
    }
}