libgimpactutils2.81 2.81-rev2613+dfsg-2 (armhf binary) in ubuntu saucy

 Bullet professional 3D Game Multiphysics Library provides state of the art
 collision detection, soft body and rigid body dynamics.
 .
 This package contains the GIMPACT shared library. GIMPACT is a software
 library with tools for geometry processing and collision detection, focused on
 solving most common problems on Virtual Reality development.
 .
 For more information about Bullet, please refer to the libbullet-dev package.