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Grome Terrain Modeling with Ogre3D, UDK, and Unity3D by Richard A. Hawley

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Chapter 7. Exporting to Unity, UDK, and Ogre 3D

We're going to export our project to three engines. While Unity and UDK are game engines (although they certainly have uses beyond games), Ogre3D is a 3D rendering engine which doesn't have functions for audio or user input, but it's open source and quite flexible. We'll be taking a look at a the OgreGrome SDK which implements GROME's Graphite engine for Ogre3D.

Unity

By far the easiest of the three engines to use and can build games for PC, Mac, and mobile platforms. Unity comes with its own terrain system however this isn't available in the Unity iPhone/Android editor. This is simply because mobile platforms can't (yet) render the hundreds of thousands of polygons that typically constitute landscapes ...

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