/// Set the user data pointer assigned to the body.
CP_EXPORT void cpBodySetUserData(cpBody *body, cpDataPointer userData);
+/// Get the 2nd user data pointer assigned to the body.
+CP_EXPORT cpDataPointer cpBodyGetUserData2(const cpBody *body);
+/// Set the 2nd user data pointer assigned to the body.
+CP_EXPORT void cpBodySetUserData2(cpBody *body, cpDataPointer userData);
+
/// Set the callback used to update a body's velocity.
CP_EXPORT void cpBodySetVelocityUpdateFunc(cpBody *body, cpBodyVelocityFunc velocityFunc);
/// Set the callback used to update a body's position.