網址：www.ogre3d.org
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什麼是OGRE？
Ogre是Object-Oriented Graphics Rendering Engine，面向對象的圖形渲染引擎。
OGRE (Object-Oriented Graphics Rendering Engine) is a scene-oriented, flexible 3D engine written in C++ designed to make it easier and more intuitive for developers to produce applications utilising hardware-accelerated 3D graphics. The class library abstracts all the details of using the underlying system libraries like Direct3D and OpenGL and provides an interface based on world objects and other intuitive classes.
使用C++設計編寫的，跨平臺的，面向scene場景，靈活的3d引擎。支持Direct3D和OpenGL。支持vs2003，2005的。
現在最新版本是1.40Final了。可以進入download頁面去下載，包括SDK（不含源代碼），還有源代碼（需要自己編譯的）。如果下了源代碼的話，還需要下dependencies。
Ogre是遊戲引擎嗎？
不是！Ogre只是一個圖形引擎！而一個遊戲引擎還包括很多的東西，像物理引擎（用來處理物理世界的物體之間的關係的，比如說反彈、碰撞等）、音效等。不過Ogre可以用來開發遊戲引擎，而且又成功的案例，有一個好象叫做十字生命章的好像，還拿了不少獎呢。
Ogre免費的嗎？我想這可能是大家最關心的，下面這一段引自官方網站。
Is it really free?
The Ogre source is made available under the GNU Lesser General Public License (LGPL), which basically means you can use it however you like as long as release the source for changes you make to the core engine if you distribute your product. The source to your application or to new plugins you create does not have to be released (although it would be nice if you did). See the licensing page for full licensing terms.
The Ogre source is made available under the GNU Lesser General Public License (LGPL), which basically means you can use it however you like as long as release the source for changes you make to the core engine if you distribute your product. The source to your application or to new plugins you create does not have to be released (although it would be nice if you did). See the licensing page for full licensing terms.
基於LGPL（Lesser GPL），有興趣的朋友可以去研究研究這個License，看起來好像沒什麼問題的，呵呵。
資源
官方的wiki
裏面有很多很多的資源，像tutorials，國內有很多的翻譯版本，可google一下
中文的wiki
非常不錯，不過時間還不是很久，裏面資源還不是很多，但一直都在進步，而且現在裏面正在翻譯manual，非常不錯。
GameRes上的板塊
