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The Nenya library

The Nenya library provides various facilities for making networked multiplayer games. Its various packages include:

  • geom, util - basic tools for doing data structure manipulation and some geometry math
  • resource - tools for bundling, deploying and managing media (images, sounds, etc.) with a game
  • media - a framework for doing "active" rendering in Java
  • media.image - tools for loading, caching, manipulating and displaying images
  • media.sound - tools for loading, caching, and playing audio
  • media.animation, media.sprite - works in concert with the active rendering system and provides tools for defining and manipulating sprites (graphical entities that follow paths) and animations (graphical entities that affect the display in other ways)
  • miso - a framework for defining and displaying isometrically rendered scenes
  • cast - a framework for defining and using recolorable, composited characters with different poses and actions

Javadoc documentation is provided.

Tutorial style documentation is somewhat sparse at the moment, but inspection of the code in the src/test/java directory shows examples of use of many features of the library.


The library is built using Maven, or Ant.

The Maven build uses the standard targets:

package: builds the code and creates the jars and swcs
install: builds and installs the artifacts into your local Maven repository
test: builds and runs the unit tests

The Ant build uses the following targets:

all: builds the distribution files and javadoc documentation
compile: builds only the class files (dist/classes)
javadoc: builds only the javadoc documentation (dist/docs)
dist: builds the distribution jar files (dist/*.jar)


Nenya provides three different build artifacts, for differing purposes:

  • nenya: contains the main Java library; exports dependencies only for libraries which are required by a running client or server.
  • nenya-tools: contains the media precompilation portions of Nenya which one need integrate into their build; exports dependencies for libraries needed when running precompilation.
  • nenyalib: contains the main ActionScript library; exports dependencies for libraries needed when building a SWF using nenyalib.

Nenya is published to Maven Central. To add a Nenya dependency to a Maven project, add the following to your pom.xml:


To add it to an Ivy, SBT, or other Maven repository using project, simply remove the vast majority of the boilerplate above.

If you prefer to download pre-built binaries, those can be had here:


The Nenya library is released under the LGPL. The most recent version of the library is available at


Questions, comments, and other worldly endeavors can be handled via the Three Rings Libraries Google Group.

Nenya is actively developed by the scurvy dogs at Three Rings Contributions are welcome.


Components for Java 2D, isometric and 3D games.







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