落日恶魔源码(Java),采用街舞秀的游戏主界面类,部分释义:   private Image mEndImage = null;//游戏结束的图片   private Image mWinImage = null;   private boolean mRunning = false; //是否正在运行的标志   private boolean mPaused = false; //游戏是否暂停的标志   private Image mBGImage = null; //用作后台绘制的缓冲区   private Graphics mBGraphics = null; //