Unity 设置分辨率 设置画质（PC）

 public void ResolutionRatio(int value)
    {
        // Debug.Log(value);

        PlayerPrefs.SetInt("ResolutionRatio", value);
        switch (value)
        {
            case 0:
                if (PlayerPrefs.HasKey("resolutionsW"))
                {
                    Screen.SetResolution(PlayerPrefs.GetInt("resolutionsW"), PlayerPrefs.GetInt("resolutionsH"), true);

                }
                break;
            case 1:
                Screen.SetResolution(640, 480, true);
                break;
            case 2:
                Screen.SetResolution(1280, 720, true);
                break;
            case 3:
                Screen.SetResolution(1920, 1080, true);
                break;

            default:
                break;
        }
    }