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

public class UpgradeEffect : MonoBehaviour
{
    public static UpgradeEffect instance;
    public static UpgradeEffect top_instance;

    RectTransform rect;
    public int steps;
    public float maxScale;
    public bool onTop;
    void Awake(){
        if(onTop){
            top_instance = this;
        }else{
            instance= this;
        }
        rect = GetComponent<RectTransform>();
    }
    void Start()
    {
        gameObject.SetActive(false);
    }

    public void Show(Vector3 position){
        gameObject.SetActive(true);
        rect.position = position;
        StartCoroutine(Effect());
    }   

    IEnumerator Effect(){
        gameObject.SetActive(true);
        for(int i=0; i < steps; i++){
            float level = 1-Mathf.Abs((i - ((float)steps/2f)) / ((float)steps/2f));
            Debug.Log(level);
            rect.localScale = new Vector3(level * maxScale, level * maxScale);
            yield return new WaitForFixedUpdate();
        }
        gameObject.SetActive(false);
    }
}