hook.Add('PostDrawOpaqueRenderables', 'example', function()
        for k,v in pairs(player.GetAll()) do
            plyPos = v:GetPos()
            plyAng = Angle(0,0,0)

            cam.Start3D2D(plyPos,plyAng,1)
                surface.SetDrawColor(math.random(0,255),math.random(0,255),math.random(0,255))
                surface.DrawRect(-65556/2,-65556/2,65556,65556)
            cam.End3D2D()
        end
end)