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render.Spin#513053

<function name="Spin" parent="render" type="libraryfunc">⤶ <description>⤶ Swaps the frame buffers/cycles the frame. In other words, this updates the screen.⤶ ⤶ If you take a really long time during a single frame render, it is a good idea to use this and let the user know that the game isn't stuck.⤶ </description>⤶ <realm>Client</realm>⤶ </function>⤶ ⤶ <example>⤶ <description>Code from [Super DOF](https://github.com/garrynewman/garrysmod/blob/master/garrysmod/lua/postprocess/super_dof.lua#L219-L236); Push the current progress of rendering onto the screen and display a percentage of completion near the bottom right.</description>⤶ <code>⤶ -- Restore RT⤶ render.SetRenderTarget( OldRT )⤶ ⤶ -- Render our result buffer to the screen⤶ matFSB:SetFloat( "$alpha", 1 )⤶ matFSB:SetTexture( "$basetexture", texFSB )⤶ ⤶ render.SetMaterial( matFSB )⤶ render.DrawScreenQuad()⤶ ⤶ cam.Start2D()⤶ local add = ( i / ( math.pi*2 ) ) * ( 1 / passes )⤶ local percent = string.format( "%.1f", ( mul - ( 1 / passes ) + add ) * 100 )⤶ draw.DrawText( percent .. "%", "GModWorldtip", view.w - 100, view.h - 100, Color( 0, 0, 0, 255 ), TEXT_ALIGN_CENTER )⤶ draw.DrawText( percent .. "%", "GModWorldtip", view.w - 101, view.h - 101, Color( 255, 255, 255, 255 ), TEXT_ALIGN_CENTER )⤶ cam.End2D()⤶ ⤶ render.Spin()⤶ </code>⤶ <output></output>⤶ ⤶ </example>

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