(1) 游戏方块预览功能。在游戏过程中，当在游戏底板中出现一个游戏方块时，必须在游戏方块预览区域中出现下一个游戏方块，这样有利于游戏玩家控制游戏的策略。由于在此游戏中存在19种不同的游戏方块，所以在游戏方块预览区域中需要显示随机生成的游戏方块。

(2) 游戏方块控制功能。通过各种条件的判断，实现对游戏方块的左移、右移、快速下移、自由下落、旋转功能，以及行满消除行的功能。

(3) 游戏显示更新功能。当游戏方块左右移动、下落、旋转时，要清除先前的游戏方块，用新坐标重绘游戏方块。当消除满行时，要重绘游戏底板的当前状态。

(4) 游戏速度分数更新功能。在游戏玩家进行游戏过程中，需要按照一定的游戏规则给玩家计算游戏分数。比如，消除一行加10分。当游戏分数达到一定数量之后，需要给游戏者进行等级的上升，每上升一个等级，游戏方块的下落速度将加快，游戏的难度将增加。

(5) 游戏帮助功能。玩家进入游戏后，将有对本游戏如何操作的友情提示。

-(1) Game box preview function. Must be in the preview area of the game box during the game, when the backplane of the game, a game box, the next game box, it is a good strategy of the game players control games. Because in this game there are 19 different game box, so in the preview area of the game box needs to display a randomly generated game box.

(2) game box control functions. Judgment through a variety of conditions, on the left of the game box, right down fast, free fall, the rotation function, as well as full row to eliminate the line.

(3) game update feature. Move around in the game box, the whereabouts of rotation to clear the previous game box with the new coordinates to redraw the game box. When the elimination of a full row to redraw the current state of the game floor.

(4) speed of the game scores update feature. In the game players during the game, in accordance with the rules of the game to the players to calculate the scores of the game. For example, the elimination