1808079c62
Viscous pause is like pause but the simulation continues with zero gravity, high viscosity and passive springs disabled. It is useful to move things like cabinets with shelves---just move the shelf and the drawers come along as well. * Updated the simulation control widgets * Added Ctrl-space shortcut to toggle play/viscous pause PiperOrigin-RevId: 869810053 Change-Id: Icf649e1f2631c2a64a5d2f25af9537b6a12bdf2c