unity游戏刀光拖尾包，用Q键切换刀的技能，采用连击方式，用E键切换旋风斩技能，程序采用unity4.15引擎开发。-unity game Daoguang trailing pack, with the Q key to switch knife skills, using batter way, with the E key to switch Whirlwind skill, the program uses unity4.15 engine development.