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raylib/README.md
raysan5 036e77939f Updated for raylib v1.4 
Moved building information to raylib github Wiki page
2016-01-19 11:00:10 +01:00

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<img src="http://www.raylib.com/img/fb_raylib_logo.png" width=256>
about
-----
raylib is a simple and easy-to-use library to learn videogames programming.
raylib is highly inspired by Borland BGI graphics lib and by XNA framework.
Allegro and SDL have also been analyzed for reference.
NOTE for ADVENTURERS: raylib is a programming library to learn videogames programming;
no fancy interface, no visual helpers, no auto-debugging... just coding in the most
pure spartan-programmers way. Are you ready to learn? Jump to [code examples!](http://www.raylib.com/examples.htm)
history
-------
I've developed videogames for some years and last year I had to taught videogames development
to young people with artistic profile, most of them had never written a single line of code.
I started with C language basis and, after searching for the most simple and easy-to-use library to teach
videogames programming, I found WinBGI; it was great and it worked very well with students, in just a
couple of weeks that people that had never written a single line of code were able to program (and understand)
a simple PONG and some of them even a BREAKOUT!
But WinBGI was not the clearer and most organized lib. There were a lot of things I found useless and
confusing and some function names were not clear enough for most of the students; not to mention points
like no transparencies support or no hardware acceleration.
So, I decided to create my own lib, hardware accelerated, clear function names, quite organized, well structured,
plain C coding and, the most important, primarily intended to LEARN videogames programming.
I've coded quite a lot in C# and XNA and I really love it (in fact, my students learn C# after C),
so, I decided to use C# language notation and XNA naming conventions. That way, students can jump from
raylib to XNA, MonoGame or similar libs extremely easily.
raylib started as a weekend project and after three months of hard work, raylib 1.0 was published on November 2013.
Enjoy it.
notes on raylib 1.1
-------------------
On April 2014, after 6 month of first raylib release, raylib 1.1 has been released. This new version presents a
complete internal redesign of the library to support OpenGL 1.1, OpenGL 3.3+ and OpenGL ES 2.0.
A new module named [rlgl](https://github.com/raysan5/raylib/blob/master/src/rlgl.h) has been added to the library. This new module translate raylib-OpenGL-style
immediate mode functions (i.e. rlVertex3f(), rlBegin(), ...) to different versions of OpenGL (1.1, 3.3+, ES2), selectable by one define.
[rlgl](https://github.com/raysan5/raylib/blob/master/src/rlgl.h) also comes with a second new module named [raymath](https://github.com/raysan5/raylib/blob/master/src/raymath.h), which includes
a bunch of useful functions for 3d-math with vectors, matrices and quaternions.
Some other big changes of this new version have been the support for OGG files loading and stream playing, and the
support of DDS texture files (compressed and uncompressed) along with mipmaps support.
Lots of code changes and lot of testing have concluded in this amazing new raylib 1.1.
notes on raylib 1.2
-------------------
On September 2014, after 5 month of raylib 1.1 release, it comes raylib 1.2. Again, this version presents a
complete internal redesign of [core](https://github.com/raysan5/raylib/blob/master/src/core.c) module to support two new platforms: [Android](http://www.android.com/) and [Raspberry Pi](http://www.raspberrypi.org/).
It's been some month of really hard work to accomodate raylib to those new platforms while keeping it easy for the user.
On Android, raylib manages internally the activity cicle, as well as the inputs; on Raspberry Pi, a complete raw input
system has been written from scratch.
A new display initialization system has been created to support multiple resolutions, adding black bars if required;
user only defines desired screen size and it gets properly displayed.
Now raylib can easily deploy games to Android devices and Raspberry Pi (console mode).
Lots of code changes and lot of testing have concluded in this amazing new raylib 1.2.
In December 2014, new raylib 1.2.2 was published with support to compile directly for web (html5) using [emscripten](http://kripken.github.io/emscripten-site/) and [asm.js](http://asmjs.org/).
notes on raylib 1.3
-------------------
On September 2015, after 1 year of raylib 1.2 release, arrives raylib 1.3. This version adds shaders functionality,
improves tremendously textures module and also provides some new modules (camera system, gestures system, IMGUI).
Shaders support is the biggest addition to raylib 1.3, with support for easy shaders loading and use. Loaded shaders can be
attached to 3d models or used as fullscreen postrocessing effects. A bunch of postprocessing shaders are also included
in this release, check raylib/shaders folder.
Textures module has grown to support most of the internal texture formats available in OpenGL (RGB565, RGB888, RGBA5551, RGBA4444, etc.),
including compressed texture formats (DXT, ETC1, ETC2, ASTC, PVRT); raylib 1.3 can load .dds, .pkm, .ktx, .astc and .pvr files.
A brand new [camera](https://github.com/raysan5/raylib/blob/develop/src/camera.c) module offers to the user multiple preconfigured ready-to-use camera systems (free camera, 1st person, 3rd person).
Camera modes are very easy to use, just check examples: [core_3d_camera_free.c](https://github.com/raysan5/raylib/blob/develop/examples/core_3d_camera_free.c) and [core_3d_camera_first_person.c](https://github.com/raysan5/raylib/blob/develop/examples/core_3d_camera_first_person.c).
New [gestures](https://github.com/raysan5/raylib/blob/develop/src/gestures.h) module simplifies gestures detection on Android and HTML5 programs.
[raygui](https://github.com/raysan5/raylib/blob/develop/src/raygui.h), the new IMGUI (Immediate Mode GUI) module offers a set of functions to create simple user interfaces,
primary intended for tools development. It's still in experimental state but already fully functional.
Most of the examples have been completely rewritten and +10 new examples have been added to show the new raylib features.
Lots of code changes and lot of testing have concluded in this amazing new raylib 1.3.
notes on raylib 1.4
-------------------
On February 2016, after 4 months of raylib 1.3 release, it comes raylib 1.4.
Lots of parts of the library have been reviewed to better accomodate to shaders systems and multiple new features have been added.
SpriteFonts system has been improved, adding support for AngelCode fonts (.fnt) and TTF fonts (using stb_truetype).
Finally, raycast system for 3D picking is working, including some ray collision-detection functions.
A set of Image manipulation functions have been added to crop, resize, colorize, dither and even draw image-to-image or text-to-image.
Two new functions added for persistent data storage.
New [physac](https://github.com/raysan5/raylib/blob/develop/src/physac.h) physics module!
Complete LUA scripting support to allow raylib usage from LUA and LUA scripts support within raylib.
Up to 8 new examples have been added to show the new raylib features.
Lots of code changes and lot of testing have concluded in this amazing new raylib 1.4.
features
--------
* Written in plain C code (C99)
* Uses C# PascalCase/camelCase notation
* Hardware accelerated with OpenGL (1.1, 3.3 or ES2)
* Unique OpenGL abstraction layer (usable as standalone module): [rlgl](https://github.com/raysan5/raylib/blob/master/src/rlgl.c)
* Powerful fonts module with multiple SpriteFonts formats support (XNA bitmap fonts, AngelCode fonts, TTF)
* Outstanding texture formats support, including compressed formats
* Basic 3d support for Shapes, Models, Billboards, Heightmaps and Cubicmaps
* Powerful math module for Vector and Matrix operations: [raymath](https://github.com/raysan5/raylib/blob/master/src/raymath.c)
* Audio loading and playing with streaming support (WAV and OGG)
* Custom color palette for fancy visuals on raywhite background
* Multiple platforms support: Windows, Linux, Mac, **Android**, **Raspberry Pi** and **HTML5**
raylib uses on its core module the outstanding [GLFW3](http://www.glfw.org/) library. The best option by far I found for
multiplatform (Windows, Linux, Mac) window/context and input management (clean, focused, great license, well documented, modern, ...).
raylib uses on its [audio](https://github.com/raysan5/raylib/blob/master/src/audio.c) module, [OpenAL Soft](http://kcat.strangesoft.net/openal.html) audio library, in multiple flavours,
to accomodate to Android, Raspberry Pi and HTML5.
On Android, raylib uses `native_app_glue module` (provided on Android NDK) and native Android libraries to manage window/context, inputs and activity cycle.
On Raspberry Pi, raylib uses Videocore API and EGL for window/context management and raw inputs reading.
raylib is licensed under a zlib/libpng license. View [LICENSE](https://github.com/raysan5/raylib/blob/master/LICENSE.md).
tools requirements
------------------
raylib has been developed using exclusively two tools:
* Notepad++ (text editor) - [http://notepad-plus-plus.org/](http://notepad-plus-plus.org/)
* MinGW (GCC compiler) - [http://www.mingw.org/](http://www.mingw.org/)
Those are the tools I recommend to develop with raylib, in fact, those are the tools my students use.
I believe those are the best tools to train spartan-programmers.
Someone could argue about debugging. raylib is a library intended for learning and I think C it's a clear enough language
to allow writing small-mid size programs with a printf-based debugging. All raylib examples have also been written this way.
Since raylib v1.1, you can download a Windows Installer package for easy installation and configuration. Check [raylib Webpage](http://www.raylib.com/)
building source (generate libraylib.a)
--------------------------------------
Check raylib wiki page: [Building source](https://github.com/raysan5/raylib/wiki/Building-source)
building examples
-----------------
Check raylib wiki page: [Building examples](https://github.com/raysan5/raylib/wiki/Building-examples)
contact
-------
* Webpage: [http://www.raylib.com](http://www.raylib.com)
* Twitter: [http://www.twitter.com/raysan5](http://www.twitter.com/raysan5)
* Facebook: [http://www.facebook.com/raylibgames](http://www.facebook.com/raylibgames)
If you are using raylib and you enjoy it, please, [let me know][raysan5].
If you feel you can help, then, [helpme!](http://www.raylib.com/helpme.htm)
acknowledgements
---------------
The following people have contributed in some way to make raylib project a reality. Big thanks to them!
- [Zopokx](https://github.com/Zopokx) for testing the web.
- [Elendow](http://www.elendow.com) for testing and helping on web development.
- Victor Dual for implementating and testing of 3D shapes functions.
- Marc Palau for implementating and testing of 3D shapes functions and helping on development of camera and getures modules.
- Kevin Gato for improving texture internal formats support and helping on raygui development.
- Daniel Nicolas for improving texture internal formats support and helping on raygui development.
- Marc Agüera for testing and using raylib on a real product ([Koala Seasons](http://www.koalaseasons.com))
- Daniel Moreno for testing and using raylib on a real product ([Koala Seasons](http://www.koalaseasons.com))
- Daniel Gomez for testing and using raylib on a real product ([Koala Seasons](http://www.koalaseasons.com))
- Sergio Martinez for helping on raygui development and tools development.
- Victor Fisac for developing physics raylib module (physac) and implementing light shaders and raycast system... and multiple tools and games.
- Albert Martos for helping on raygui and porting examples and game-templates to Android and HTML5.
- Ian Eito for helping on raygui and porting examples and game-templates to Android and HTML5.
[raysan5]: mailto:raysan5@gmail.com "Ramon Santamaria - Ray San"
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