February 6, 2010


A 100% Java 2D collision detection and physics engine. Designed to be fast, stable, extensible, and easy to use. dyn4j is free for use in commercial and non-commercial applications (see the New BSD License).

The project is comprised over 1,400 JUnit test cases, a suite of samples to help get started, javadocs, and additional documentation.



  • Java 1.6 or higher