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cam.Start3D( Vector pos = EyePos(), Angle angles = EyeAngles(), number fov = nil, number x = 0, number y = 0, number w = ScrW(), number h = ScrH(), number zNear = nil, number zFar = nil )


Sets up a new 3D rendering context. Must be finished by cam.End3D.

For more advanced settings such as an orthographic view, use cam.Start instead.

This is a rendering hook which provides a 3d rendering context.
Both zNear and zFar need a value before any of them work.

zNear also requires a value higher than 0.

This will not update current view properties.

Issue Tracker: 2682


1 Vector pos = EyePos()
Render cam position.
2 Angle angles = EyeAngles()
Render cam angles.
3 number fov = nil
Field of view.
4 number x = 0
X coordinate of where to start the new view port.
5 number y = 0
Y coordinate of where to start the new view port.
6 number w = ScrW()
Width of the new viewport.
7 number h = ScrH()
Height of the new viewport.
8 number zNear = nil
Distance to near clipping plane.
9 number zFar = nil
Distance to far clipping plane.


Set up a 3D rendering environment in a 2D rendering hook to render models on HUD.

hook.Add( "HUDPaint", "3d_camera_example", function() cam.Start3D() for id, ply in ipairs( player.GetAll() ) do ply:DrawModel() end cam.End3D() end )
Output: All players can be seen through walls.

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