Classes
 ClassDescription
 DistanceJoint A distance joint constrains two points on two bodies to remain at a fixed distance from each other.
 GearJoint A gear joint connects two joints.
 Joint 
 JointNode A joint edge is used to connect bodies and joints together in a joint graph where each body is a node and each joint is an edge.
 JointTypes 
 LimitState 
 MouseJoint A mouse joint is used to make a point on a body track a specified world point.
 PrismaticJoint A prismatic joint.
 PulleyJoint The pulley joint is connected to two bodies and two fixed ground points.
 RevoluteJoint A revolute joint constrains to bodies to share a common point while they are free to rotate about the point.