<para>A <see cref="T:Sandbox.VR.VROverlay" /> that draws and handles input of a <see cref="T:Sandbox.UI.RootPanel" />.</para><para>VR overlays draw over the top of the 3D scene, they will not be affected by lighting, post processing effects or anything else in the world.<br /> This makes them ideal for HUDs or menus, or anything else that should be local to the HMD or tracked devices.</para><para>If you need something in the world, consider using WorldPanel and <see cref="T:Sandbox.UI.WorldInput" /> instead.</para>