- u -

• UnilateralConstraint() : Moby::UnilateralConstraint
• UniversalJoint() : Moby::UniversalJoint
• update_joint_constraint_violations() : Moby::ArticulatedBody
• update_spatial_axes() : Moby::ScrewJoint
• update_visualization() : Moby::ArticulatedBody , Moby::Primitive , Moby::Simulator , Moby::Visualizable