PlayerLives

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


public class PlayerLives : MonoBehaviour {

    public Image heartPrefab;
    Image newHeart;
    public Transform canvas;
    public List<Image> imgs = new List<Image>();
    RectTransform rT;
    public static bool loseLife = false;

    void Start ()
    {
        DrawHearts();
    }

    void Update()
    {
        if(loseLife)
        {
            if(imgs.Count > 0)
            {
                imgs.RemoveAt(imgs.Count - 1);
                if (canvas.childCount != 0)
                {
                    if (canvas.GetChild(3).GetComponent<Image>())
                    {
                        Destroy(canvas.GetChild(canvas.childCount - 1).gameObject);
                    }
                }
                loseLife = false;
            }
        }
    }

    public void DrawHearts()
    {
        for (int i = 0; i < MainGlobals.lives; i++)
        {
            newHeart = Instantiate(heartPrefab) as Image;
            newHeart.transform.SetParent(canvas, false);
            newHeart.rectTransform.anchoredPosition = new Vector2(-20 - (i * 25), -20);
            imgs.Add(newHeart);
        }
    }
}