Entropia Engine++ 是一个 2D 游戏引擎，适合跨平台游戏开发。

EE++ 提供:

跨平台支持:

• 官方支持 Linux, Windows, Mac OS X.
• iOS port is fully working with SDL 2 backend.
• Android port is working with SDL 2 backend, but not completed.
• It should work on FreeBSD, Solaris and Haiku OS.

Graphic Module:

• OpenGL 2 ( fixed-pipeline ), OpenGL 3 ( programmable-pipeline ), OpenGL ES 2 and OpenGL ES 1 support.
• Batch Renderer ( all the rendering is automatically batched by the engine ).
• TTF and Texture fonts support.
• Frame Buffer support.
• Shaders support ( with automatic fixed pipeline shaders to programmable conversor ).
• Vertex Buffer Object support.
• Particle System.
• Extendable Console.
• Animated Sprites.
• Texture Atlas support ( automatic creation and update of the texture atlas ! ).

Window Module:

• Backend based module, this means that you can easily create a backend for the window/input handling.
• Currently supports SDL 1.2, SDL 2 and Allegro 5 as backends ( more backends are planned ).
• Clipboard support ( SDL 2 backend for the moment ).
• Color hardware cursors.
• Joystick support.

Audio Module:

• OpenAL audio engine with extendable file format support. OGG support, and all the formats supported by libsndfile.

Physics Module:

• Full OOP chipmunk physics wrapper.

UI Module:

• Fully featured UI system, with skinning support, animation support, scaling, rotating, clipping, events, messages, etc. All the basic controls are implemented ( button, textbox, combobox, inputbox, menue, listbox, etc...).

System Module:

• Provides all the basics stuffs for the full multi-threading support of the engine, file formats support for packing, and much more.

Base Module:

• Customizable Memory Manager. Used by default in debug mode to track any memory leak.
• UTF8, UTF-16, UTF-32, Ansi, Wide Char support.
• String class using UTF-32 chars internally.\
• Debug macros

Utils Module:

• A lot of general purpose functions and templates ( vector, quad, polygon, color, etc ) to help the development of any kind of application.

Math Module:

• Some minor math utilities, include Mersenne Twister random number generator implementation.

Gaming Module:

• Tiled Maps with dynamic lights.
• Full featured Map Editor.

项目主页：http://www.open-open.com/lib/view/home/1341968536119