Jake2 is a

Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

port of the

GPL The GNU General Public Licenses (GNU GPL or simply GPL) are a series of widely used free software licenses, or ''copyleft'' licenses, that guarantee end users the freedom to run, study, share, or modify the software. The GPL was the first c ...

release of the

Quake II ''Quake II'' is a 1997 first-person shooter, first-person shooter game developed by id Software and published by Activision. It is the second installment of the Quake (series), ''Quake'' series, following ''Quake (video game), Quake''. Develope ...

game engine.

History

The 0.9.1 version of Jake2 was shown by the JOGL team for JavaOne 2004, to present an example of Java-OpenGL interoperability. Jake2 has since been used by

Sun The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light a ...

as an example of

Java Web Start In computing, Java Web Start (also known as JavaWS, javaws or JAWS) is a deprecated framework developed by Sun Microsystems (now Oracle) that allows users to start application software for the Java Platform directly from the Internet using a web b ...

capabilities for games distribution over the internet. As of August 2012, development is still active in the LWJake2 fork, which removed JOGL/JOAL in favor of the LWJGL. As of October 2012, a fork using the current version of

Java OpenGL Java OpenGL (JOGL) is a wrapper library that allows OpenGL to be used in the Java programming language. It was originally developed by Kenneth Bradley Russell and Christopher John Kline, and was further developed by the Game Technology Group at Su ...

and Java OpenAL has been made available on
git repository
The game can be played online, launched as an Applet or Webstart. The new enhancements allows Jake2 to be run on mobile platforms as well, due to utilizing Jogl's OpenGL fixed function emulation via OpenGL ES2, or directly via OpenGL ES1. Joal enhancements further allows audio output on mobile devices. The fork has been updated in June 2013 for the latest Jogl release. Last update to Jake2 by the original authors - Bytonic software - was on Jan 2015. Since 2019 Jake2 was forked, updated to the modern java and libraries versions and being actively developed.

Alternative uses

Possibly because its code is based on

and thus is easy to modify, jake2 has been used for several experiments: * In 2006, it was used to experiment playing 3D games with

eye tracking Eye tracking is the process of measuring either the point of gaze (where one is looking) or the motion of an eye relative to the head. An eye tracker is a device for measuring eye positions and eye movement. Eye trackers are used in research ...

. Survey data suggested that the mouse was indeed easier to use. * In the beginning of 2009, people from the University of Beira Interior were able to reengineer Jake2 to work on GridGain, a

grid Grid, The Grid, or GRID may refer to: Space partitioning * Regular grid, a tessellation of space with translational symmetry, typically formed from parallelograms or higher-dimensional analogs ** Grid graph, a graph structure with nodes connec ...

implementation of

MapReduce MapReduce is a programming model and an associated implementation for processing and generating big data sets with a parallel and distributed algorithm on a cluster. A MapReduce program is composed of a ''map'' procedure, which performs filte ...

dual licensed under

GPLv3 The GNU General Public Licenses (GNU GPL or simply GPL) are a series of widely used free software licenses, or ''copyleft'' licenses, that guarantee end users the freedom to run, study, share, or modify the software. The GPL was the first ...

and proprietary licenses. * In 2010, the port was converted to

HTML5 HTML5 (Hypertext Markup Language 5) is a markup language used for structuring and presenting hypertext documents on the World Wide Web. It was the fifth and final major HTML version that is now a retired World Wide Web Consortium (W3C) recommend ...

by a group of

Google Google LLC (, ) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...

engineers to showcase the abilities of

Google Web Toolkit Google Web Toolkit (GWT ), or GWT Web Toolkit, is an open-source software, open-source set of Programming tool, tools that allows web developers to create and maintain JavaScript Front and back ends, front-end applications in Java (programming ...

Architecture

Jake2 is a full-Java application. It can use

/ Java OpenAL or LWJGL for its internal Java low-level

OpenGL OpenGL (Open Graphics Library) is a Language-independent specification, cross-language, cross-platform application programming interface (API) for rendering 2D computer graphics, 2D and 3D computer graphics, 3D vector graphics. The API is typic ...

library. Both single and multiplayer modes of Quake II are working, and it is possible to use it both as an installed application or by

. The performance of Jake2 is on par with the original C version. In some hardware configurations, it is even better.Jake2 0.9.4 on Java 5.0 is 260/250 frame/s compared to 245 frame/s for the original C code, for Athlon XP 2400, GeForce 4 MX,

Windows 2000 Windows 2000 is a major release of the Windows NT operating system developed by Microsoft, targeting the server and business markets. It is the direct successor to Windows NT 4.0, and was Software release life cycle#Release to manufacturing (RT ...

, in windowed mode

References

External links

Jake2 Web site

Jake2 sourceforge project
{{Quake series Java platform 3D graphics software First-person shooters Quake (series) Science fiction video games Id Tech

History

Alternative uses

Architecture

See also

References

External links