<function name="SetScissorRect" parent="render" type="libraryfunc"> <description>Sets a scissoring rect which limits the drawing area.</description> <realm>Client</realm> <args> <arg name="startX" type="number">X start coordinate of the scissor rect.</arg> <arg name="startY" type="number">Y start coordinate of the scissor rect.</arg> <arg name="endX" type="number">X end coordinate of the scissor rect.</arg> <arg name="endY" type="number">Y end coordinate of the scissor rect.</arg> <arg name="enable" type="boolean">Enable or disable the scissor rect.</arg> </args> </function> <example> <description>Shows how to use this function. This will cut the white rectangle from full screen to 512x512 box in top left corner</description> <code> render.SetScissorRect( 0, 0, 512, 512, true ) -- Enable the rect draw.RoundedBox( 4, 0, 0, ScrW(), ScrH(), color_white ) -- Draw a white rectangle over the whole screen render.SetScissorRect( 0, 0, 0, 0, false ) -- Disable after you are done </code> </example> <example> <description>Draws a fake circle + cut it to look like a progress bar</description> <code> local function draw_circle( x, y, radius, color, percent ) percent = percent or 1 render.SetScissorRect( x - radius, y - radius + radius * 2 * ( 1 - percent ), x + radius, y + radius * 2, true ) draw.RoundedBox( radius, x - radius, y - radius, radius * 2, radius * 2, color or color_white ) render.SetScissorRect( 0, 0, 0, 0, false ) end hook.Add( "HUDPaint", "GMod:Wiki", function() local w, h = ScrW(), ScrH() local radius = h * 0.1 -- Filled circle draw_circle( w / 2, h * 0.25, radius, Color( 255, 0, 0 ), 1 ) -- Filled circle + quarter circle draw_circle( w / 2, h / 2, radius, Color( 255, 0, 0 ), 1 ) draw_circle( w / 2, h / 2, radius, Color( 0, 255, 0 ), 0.25 ) -- Half cirlce⤶ -- Half circle⤶ draw_circle( w / 2, h * 0.75, radius, Color( 0, 0, 255 ), 0.5 ) end ) </code> </example>