椭球体的碰撞检测。在以人形为主的场景内椭球体的碰撞精度比球体、AABB、OBB都要高，同时速度也很快-Ellipsoid collision detection. Human-oriented in the scene of the collision within the ellipsoid accuracy than the sphere, AABB, OBB higher speed quickly at the same time
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001440s ]
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:0.095227s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001272s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001888s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001325s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003653s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001247s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003245s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015230s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001282s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 159325 [ RunTime:0.001257s ]
