通过利用OpenGL来实现一个物体的规则运动，本例是让一小球实现正弦曲线的运动。-Through the use of OpenGL to achieve a regular motion of an object, in this case is to make a sine wave curve the ball movement.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001307s ]
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:0.090130s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001227s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001901s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001392s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003611s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001067s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003221s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015249s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001373s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 201318 [ RunTime:0.003333s ]
