Urho3D

Urho3D is a free lightweight, cross-platform 2D and 3D game engine implemented in C++ and released under the MIT license. Greatly inspired by OGRE and Horde3D.

Main website: https://urho3d.github.io/

License

Licensed under the MIT license, see LICENSE for details.

Contributing

Before making pull requests, please read the Contribution checklist and Coding conventions pages from the documentation.

Credits

Urho3D development, contributions and bugfixes by:

Lasse Öörni
Wei Tjong Yao
Aster Jian
Ricardo Abreu
Vivienne Anthony
Christopher Augustus
Colin Barrett
Erik Beran
Gauthier Billot
Loic Blot
Danny Boisvert
Sergey Bosko
Lisandro Bruzzo
Thomas Böhm
Carlo Carollo
Pete Chown
Christian Clavet
Sebastian Delatorre (primitivewaste)
Stanislav Demyanovich
Rainer Deyke
Josh Engebretson
Simon Flores
Manuel Freiberger
Chris Friesen
Alex Fuller
Konstantin Guschin
Henrik Heino
Mika Heinonen
Victor Holt
Johnathan Jenkins
Jukka Jylänki
Graham King
Jason Kinzer
Cameron Kline
Jan Korous
Eugene Kozlov
Gunnar Kriik
Aliaksandr Kryvashein
Artem Kulyk
Rokas Kupstys
Ali Kämäräinen
Sergey Lapin
Pete Leigh
Pengfei Li
Arnis Lielturks
Frode 'Modanung' Lindeijer
Thorbjørn Lindeijer
Nathanial Lydick
Xavier Maupeu
Iain Merrick
Justin Miller
Jonne Nauha
Huy Nguyen
Paul Noome
David Palacios
Alex Parlett
Jordan Patterson
Georgii Pelageikin
Anton Petrov
Vladimir Pobedinsky
Franck Poulain
Pranjal Raihan
Alexey Rassikhin
Svyatoslav Razmyslov
Mariusz Richtscheid
Nick Royer
Jonathan Sandusky
Miika Santala
Anatoly Sennov
Matan Shukry
Bengt Soderstrom
Hualin Song
James Thomas
Joshua Tippetts
Konstantin Tomashevich
Yusuf Umar
Mateus Vendramini
Daniel Wiberg
Steven Zhang
AGreatFish
BlueMagnificent
CG-SS
Enhex
Fastran
Firegorilla
Gordon-F
Lumak
Magic.Lixin
Mike3D
MonkeyFirst
Ner'zhul
Newb I the Newbd
OvermindDL1
PredatorMF
Scellow
Skrylar
SuperWangKai
TheComet93
Y-way
1vanK
andmar1x
amadeus_osa
atship
att
att-kin9
celeron55
cosmy1
damu
dragonCASTjosh
feltech
fredakilla
gleblebedev
hdunderscore
hsnabn
lhinuz
lvshiling
marynate
meshonline
mightyCelu
neat3d
nemerle
ninjastone
orefkov
proller
raould
rasteron
reattiva
rifai
rikorin
skaiware
ssinai1
svifylabs
szamq
thebluefish
tommy3
yushli

Urho3D is greatly inspired by OGRE (http://www.ogre3d.org) and Horde3D (http://www.horde3d.org). Additional inspiration & research used:

Rectangle packing by Jukka Jylänki (clb) http://clb.demon.fi/projects/rectangle-bin-packing
Tangent generation from Terathon http://www.terathon.com/code/tangent.html
Fast, Minimum Storage Ray/Triangle Intersection by Möller & Trumbore http://www.graphics.cornell.edu/pubs/1997/MT97.pdf
Linear-Speed Vertex Cache Optimisation by Tom Forsyth http://home.comcast.net/~tom_forsyth/papers/fast_vert_cache_opt.html
Software rasterization of triangles based on Chris Hecker's Perspective Texture Mapping series in the Game Developer magazine http://chrishecker.com/Miscellaneous_Technical_Articles
Networked Physics by Glenn Fiedler http://gafferongames.com/game-physics/networked-physics/
Euler Angle Formulas by David Eberly https://www.geometrictools.com/Documentation/EulerAngles.pdf
Red Black Trees by Julienne Walker http://eternallyconfuzzled.com/tuts/datastructures/jsw_tut_rbtree.aspx
Comparison of several sorting algorithms by Juha Nieminen http://warp.povusers.org/SortComparison/

Urho3D uses the following third-party libraries:

AngelScript 2.32.0 WIP (http://www.angelcode.com/angelscript)
Boost 1.64.0 (http://www.boost.org) - only used for AngelScript generic bindings
Box2D 2.3.2 WIP (http://box2d.org)
Bullet 2.86.1 (http://www.bulletphysics.org)
Civetweb 1.7 (https://github.com/civetweb/civetweb)
FreeType 2.8 (https://www.freetype.org)
GLEW 1.13.0 (http://glew.sourceforge.net)
jo_jpeg 1.52 (http://www.jonolick.com/uploads/7/9/2/1/7921194/jo_jpeg.cpp)
kNet (https://github.com/juj/kNet)
libcpuid 0.4.0 (https://github.com/anrieff/libcpuid)
Lua 5.1 (https://www.lua.org)
LuaJIT 2.1.0+ (http://www.luajit.org)
LZ4 1.7.5 (https://github.com/lz4/lz4)
MojoShader (https://icculus.org/mojoshader)
Mustache 1.0 (https://mustache.github.io, https://github.com/kainjow/Mustache)
nanodbc 2.12.4+ (https://lexicalunit.github.io/nanodbc)
Open Asset Import Library 4.0.1 (http://assimp.sourceforge.net)
pugixml 1.7 (http://pugixml.org)
rapidjson 1.1.0 (https://github.com/miloyip/rapidjson)
Recast/Detour (https://github.com/memononen/recastnavigation)
SDL 2.0.7 (https://www.libsdl.org)
SQLite 3.20.1 (https://www.sqlite.org)
StanHull (https://codesuppository.blogspot.com/2006/03/john-ratcliffs-code-suppository-blog.html)
stb_image 2.12 (https://nothings.org)
stb_image_write 1.02 (https://nothings.org)
stb_rect_pack 0.08 (https://nothings.org)
stb_vorbis 1.09 (https://nothings.org)
tolua++ 1.0.93 (defunct - http://www.codenix.com/~tolua)
WebP (https://chromium.googlesource.com/webm/libwebp)

DXT / ETC1 / PVRTC decompression code based on the Squish library and the Oolong Engine. Jack and mushroom models from the realXtend project. (https://www.realxtend.org) Ninja model and terrain, water, smoke, flare and status bar textures from OGRE. BlueHighway font from Larabie Fonts. Anonymous Pro font by Mark Simonson. NinjaSnowWar sounds by Veli-Pekka Tätilä. PBR textures from Substance Share. (https://share.allegorithmic.com) IBL textures from HDRLab's sIBL Archive. Dieselpunk Moto model by allexandr007. Mutant & Kachujin models from Mixamo. License / copyright information included with the assets as necessary. All other assets (including shaders) by Urho3D authors and licensed similarly as the engine itself.

Documentation

Urho3D classes have been sparsely documented using Doxygen notation. To generate documentation into the "Docs" subdirectory, open the Doxyfile in the "Docs" subdirectory with doxywizard and click "Run doxygen" from the "Run" tab. Get Doxygen from http://www.doxygen.org & Graphviz from http://www.graphviz.org. See section "Documentation build" below on how to automate documentation generation as part of the build process.

The documentation is also available online at https://urho3d.github.io/documentation/HEAD/index.html

Documentation on how to build Urho3D: https://urho3d.github.io/documentation/HEAD/_building.html Documentation on how to use Urho3D as external library https://urho3d.github.io/documentation/HEAD/_using_library.html

Replace HEAD with a specific release version in the above links to obtain the documentation pertinent to the specified release. Alternatively, use the document-switcher in the documentation website to do so.

History

The change history is available online at https://urho3d.github.io/documentation/HEAD/_history.html