Third Person Cover Controller是unity一个非常好的控制器，而对于游戏开发来说是非常重要的，当然空置敌人也同样重要，这就是Third Person Cover Controller为我们的游戏打架和行动的高级人工智能插件！
Third Person Cover Controller v1.4更新日志：
-added sniper rifle
-added climb high covers
-added grass object for player to hide
-added night scene where AI searching with flash light.
-reworked AI. Now AI more modular and can be use in lots of various situations
-AI civilians
-AI spawn system
-AI call for backup
-AI regroup
-performance bug fixes
