<function name="DrawSobel" parent="Global" type="libraryfunc"> <description>Draws the sobel shader, which detects edges and draws a black border.</description> <realm>Client</realm> <file line="8-L18">lua/postprocess/sobel.lua</file>⤶ <args> <arg name="Threshold" type="number">Determines the threshold of edges. A value of 0 will make your screen completely black.</arg> <arg name="Threshold" type="number">Determines the threshold of edges. A value of `0` will make your screen completely black.</arg> </args> </function> <example> <description>Draws the sobel shader.</description> <code> function GM:RenderScreenspaceEffects() DrawSobel(0.5) ⤶ end⤶ hook.Add( "RenderScreenspaceEffects", "SobelShader", function() DrawSobel( 0.5 ) ⤶ end )⤶ </code> ⤶ </example></example>