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

public class PanelGame : MonoBehaviour {
    //创建单例
    public static PanelGame instance;
    private Button pauseBtn;
    private Button againBtn;
    private Text score;
    public Image blood;
    private Button bigbangBtn;
    private float time;
    private void Awake()
    {
        instance = this;
    }
    // Use this for initialization
    void Start () {
        pauseBtn = transform.Find("PauseBtn").GetComponent<Button>();
        againBtn = transform.Find("AgainBtn").GetComponent<Button>();
        bigbangBtn = transform.Find("BigBangBtn").GetComponent<Button>();
        pauseBtn.onClick.RemoveAllListeners();
        pauseBtn.onClick.AddListener(pauseBtnEvent);
        againBtn.onClick.RemoveAllListeners();
        againBtn.onClick.AddListener(againBtnEvent);
        bigbangBtn.onClick.RemoveAllListeners();
        bigbangBtn.onClick.AddListener(bigbangBtnEvent);
        againBtn.gameObject.SetActive(false);
        score = transform.Find("Score").GetComponent<Text>();
        blood = transform.Find("Image/HP").GetComponent<Image>();
    }

    private void bigbangBtnEvent()
    {
            PlaneManager.instance.CreateBigBang();
    }

    //开始按钮和暂停按钮
    private void againBtnEvent()
    {
        Time.timeScale = 1;
        pauseBtn.gameObject.SetActive(true);
        againBtn.gameObject.SetActive(false);
    }

    private void pauseBtnEvent()
    {
        Time.timeScale = 0;
        againBtn.gameObject.SetActive(true);
        pauseBtn.gameObject.SetActive(false);
    }

    // Update is called once per frame
    void Update () {
        //将分数转换为字符串格式在分数文本框中显示
        score.text = ScoreManager.instance.Score.ToString();
        //解决血条清空后反向显示问题
        float num = (float)PlaneManager.instance.PlayerHP / 20.0f;
        if (num<=0)
        {
            num = 0;     
        }
        blood.transform.localScale = new Vector3(num,1,1);
        
	}
    
}