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

public class ShockwaveShaderHelper : MonoBehaviour
{

    public Material mat;
  //  public Material _mat;
    public Transform target;

    public Vector2 offset;
    public Vector2 screenOnPos;

    public bool started = false;
    public float speed = 1f;
    public float val = 1f;

    private void Awake()
    {
       //  _mat = new Material(mat);
    //    GetComponent<SpriteRenderer>().material = _mat; 
    }

    void Update()
    {
        screenOnPos = Camera.main.WorldToViewportPoint(target.position);
        mat.SetVector("_RingSpawnPosition", offset + screenOnPos);

        if(val < 1)
        {
            val += Time.deltaTime * speed;
        }
        mat.SetFloat("_WaveDistanceFromCenter", val );
        

       /* if(_mat.GetFloat("_WaveDistanceFromCenter") >= 1f)
        {
            Destroy(gameObject);
        }*/
    }

    public void Reset()
    {
        val = 0.087f;
    }
}