if SERVER then local nav_visualize = CreateConVar( "nav_visualize", "0", 0, "Visualize navmesh" ) local LastNavmeshViz = 0 hook.Add("Think", "navmesh_visualize", function() if ( !nav_visualize:GetBool() ) then return end if ( CurTime() - LastNavmeshViz < 0.1 ) then return end local time = math.min( CurTime() - LastNavmeshViz + 0.02, 1 ) LastNavmeshViz = CurTime() for id, navArea in pairs( navmesh.GetAllNavAreas() ) do local color = Color( 255, 255, 255, 40 + (1-navArea:GetLightIntensity() )* 200 ) color:SetBrightness( navArea:GetLightIntensity() ) local ignoreDepth = nav_visualize:GetInt() > 1 && Entity(1):GetPos():Distance(navArea:GetCenter()) < 1000 -- Raise the corners up a bit to avoid z fighting with the ground local corner1 = navArea:GetCorner( 0 ) + Vector( 0, 0, 1 ) local corner2 = navArea:GetCorner( 1 ) + Vector( 0, 0, 1 ) local corner3 = navArea:GetCorner( 2 ) + Vector( 0, 0, 1 ) local corner4 = navArea:GetCorner( 3 ) + Vector( 0, 0, 1 ) debugoverlay.Triangle( corner3, corner2, corner1, time, color, ignoreDepth ) debugoverlay.Triangle( corner1, corner4, corner3, time, color, ignoreDepth ) end end) end