<function name="AddOriginToPVS" parent="Global" type="libraryfunc"> <description>Adds the specified vector to the PVS which is currently building. This allows all objects in visleafs visible from that vector to be drawn.</description> <description>Adds the specified vector to the [PVS (Potential Visibility Set)](https://developer.valvesoftware.com/wiki/PVS "PVS - Valve Developer Community") which is currently building. This allows all objects in visleafs visible from that vector to be drawn.</description> <realm>Server</realm> <args> <arg name="position" type="Vector">The origin to add.</arg> </args> </function> <example> <description>Adds an RTCamera's current position to all player's PVS, causing props near it to always render on an rtscreen.</description> <code> hook.Add( "SetupPlayerVisibility", "AddRTCamera", function( ply, viewEntity ) -- Adds any view entity -- -- We test if the PVS is already loaded, as in the past adding a loaded pvs could have crash the server which was fixed. -- (See https://github.com/Facepunch/garrysmod-issues/issues/3744) if viewEntity:IsValid() and !viewEntity:TestPVS( ply ) then AddOriginToPVS( viewEntity:GetPos() ) end end ) </code> </example>