实现了“俄罗斯方块”游戏，涉及到游戏框架，如何显示成绩和排名，图形按钮和游动字幕的制作，数字的特殊效果显示等内容。-The realization of the Tetris game, involving the fr a mework of the game, how to display results and rankings, graphics, buttons and swimming subtitles production, digital special effects d