<function name="PixelVisible" parent="util" type="libraryfunc"> <description>Returns the visibility of a sphere in the world.</description> <realm>Client</realm> <args> <arg name="position" type="Vector">The center of the visibility test.</arg> <arg name="radius" type="number">The radius of the sphere to check for visibility.</arg> <arg name="PixVis" type="pixelvis handle t">The PixVis handle created with &lt;page&gt;util.GetPixelVisibleHandle&lt;/page&gt;.&#xA;&#xA;&lt;warning&gt;Don&#x27;t use the same handle twice per tick or it will give unpredictable results.&lt;/warning&gt;</arg>⤶ <arg name="PixVis" type="pixelvis handle t">The PixVis handle created with <page>util.GetPixelVisibleHandle</page>.⤶ ⤶ <warning>Don't use the same handle twice per tick or it will give unpredictable results.</warning></arg>⤶ </args> <rets> <ret name="" type="number">Visibility, ranges from 0-1. 0 when none of the area is visible, 1 when all of it is visible.</ret> </rets> </function> <example> <description>Draws a box when the center of the map is visible on your screen.</description> <code> local PixVis function SetupPixVis() PixVis = util.GetPixelVisibleHandle() end hook.Add("Initialize", "SetupPixVis", SetupPixVis) function TestPixelVisibility() local visible = util.PixelVisible(Vector(0, 0, 0), 16, PixVis) if visible &amp;&amp; visible != 0 then if visible && visible != 0 then draw.RoundedBox( 10, 0, 0, 100, 100, Color(0, 0, 0, 200 * visible) ) end end hook.Add("HUDPaint", "TestPixelVisibility", TestPixelVisibility) </code> </example>