<function name="PushCustomClipPlane" parent="render" type="libraryfunc"> <description> Pushes a new clipping plane of the clip plane stack and sets it as active. <note>A max of 2 clip planes are supported on Linux/POSIX, and 6 on Windows.</note> </description> <realm>Client</realm> <args> <arg name="normal" type="Vector">The normal of the clipping plane.</arg> <arg name="distance" type="number">The distance of the plane from the world origin. You can use &lt;page&gt;Vector:Dot&lt;/page&gt; between the normal and any point on the plane to find this, see <page text="Example 1">#Example</page>.</arg> <arg name="distance" type="number">The distance of the plane from the world origin. You can use <page>Vector:Dot</page> between the normal and any point on the plane to find this, see <page text="Example 1">#Example</page>.</arg> </args> </function> <example> <description>Clips the lower half of your custom entity</description> <code> function ENT:Draw() local normal = self:GetUp() -- Everything "behind" this normal will be clipped local position = normal:Dot( self:GetPos() ) -- self:GetPos() is the origin of the clipping plane local oldEC = render.EnableClipping( true ) render.PushCustomClipPlane( normal, position ) self:DrawModel() render.PopCustomClipPlane() render.EnableClipping( oldEC ) end </code> </example>