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<function name="Start3D" parent="cam" type="libraryfunc"> <description> Sets up a new 3D rendering context. Must be finished by <page>cam.End3D</page>. For more advanced settings such as an orthographic view, use <page>cam.Start</page> instead. <rendercontext hook="false" type="3D"/> <rendercontext hook="false" type="3D"></rendercontext> <bug issue="1995">Negative x/y values won't work.</bug> <bug issue="2682">This will not update current view properties.</bug> </description> <realm>Client</realm> <args> <arg name="pos" type="Vector" default="EyePos()">Render cam position.</arg> <arg name="angles" type="Angle" default="EyeAngles()">Render cam angles.</arg> <arg name="fov" type="number" default="nil">Field of view.</arg> <arg name="x" type="number" default="0">X coordinate of where to start the new view port.</arg> <arg name="y" type="number" default="0">Y coordinate of where to start the new view port.</arg> <arg name="w" type="number" default="ScrW()">Width of the new viewport.</arg> <arg name="h" type="number" default="ScrH()">Height of the new viewport.</arg> <arg name="zNear" type="number" default="nil">Distance to near clipping plane.</arg> <arg name="zFar" type="number" default="nil">Distance to far clipping plane.</arg> </args> </function> <example> <description>Set up a 3D rendering environment in a 2D rendering hook to render models on HUD.</description> <code> hook.Add( "HUDPaint", "3d_camera_example", function() cam.Start3D() for id, ply in pairs( player.GetAll() ) do ply:DrawModel() end cam.End3D() end ) </code> <output>All players can be seen through walls.</output> </example>