应用背景该代码实现了一个2D的射击小游戏，其中包含多种游戏特色。比如：普通敌人，跟踪敌人，大Boss，金币，陷进，保护盾，沼泽，大招，磁铁等，同事还设有关卡，可玩性强。关键技术该游戏用OF和Visual Studio 2012搭建框架，进行游戏编写。要运行该游戏，首先要安装OF和VS2012，然后配置好环境。该游戏中有类的多态的实现，还有各种游戏特色。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000959s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.075173s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000943s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000982s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002036s ]
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