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

public class ScoreManager : MonoBehaviour {
    //单例

    public static ScoreManager instance;
    private void Awake()
    {
        instance = this;
    }
    public int Score;
    public int BestScore;
    public float BGM;
    public float AM;
    private GameObject bullet;
    public GameObject explode;
    // Use this for initialization
    void Start () {
        bullet = Resources.Load<GameObject>("Prefabs/Bullet");
        explode = Resources.Load<GameObject>("Prefabs/Explode");

        Init();
       
        if (PlayerPrefs.HasKey("BGM"))
        {
            BGM = PlayerPrefs.GetFloat("BGM");
        }
        else
        {
            BGM = 0.6f;
        }
        if (PlayerPrefs.HasKey("AM"))
        {
            AM = PlayerPrefs.GetFloat("AM");
        }
        else
        {
            AM = 0.6f;
        }
	}
    //分数的存储和调取 如果已经有了最高分 第一次显示时直接调取 如果没有先存后取
    public void Init()
    {
        if (PlayerPrefs.HasKey("Best"))
        {
            BestScore = PlayerPrefs.GetInt("Best");
        }
    }
    public void SetScore()
    {
        if (Score>BestScore)
        {
            PlayerPrefs.SetInt("Best",Score);
        }
    }
	
	// Update is called once per frame
	void Update () {
        GetComponent<AudioSource>().volume = BGM;
        bullet.GetComponent<AudioSource>().volume = AM;
        explode.GetComponent<AudioSource>().volume = AM;
    }
}