*运行环境 TC2.0下的台球游戏 w,s,a,d控制方向, 逗号和句号控制力量,空格发杆 本来还可用鼠标控制,因为要用一个好(* run environment TC2.0 table tennis game W, s, a, d control direction, comma and period control power, space bar is also controlled by the mouse, because to use a good)