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cam.Start2D#514093

<function name="Start2D" parent="cam" type="libraryfunc">⤶ <description>⤶ Sets up a new 2D rendering context. Must be finished by <page>cam.End2D</page>.⤶ ⤶ This is almost always used with a render target from the <page>render</page>. To set its position use <page>render.SetViewPort</page> with a target already stored.⤶ ⤶ <note>This will put an identity matrix at the top of the model matrix stack. If you are trying to use <page>cam.PushModelMatrix</page>, call it after this function and not before.</note>⤶ <rendercontext hook="false" type="2D"/>⤶ </description>⤶ <realm>Client</realm>⤶ </function>⤶ ⤶ <example>⤶ <description>Sets the viewport then draws on the view with 2d methods</description>⤶ <code>⤶ local oldW, oldH = ScrW(), ScrH()⤶ render.SetViewPort( 0, 100, 50, 50 )⤶ cam.Start2D()⤶ surface.SetDrawColor( 255, 255, 255 )⤶ surface.DrawLine( 10, 10, 100, 100 )⤶ cam.End2D()⤶ render.SetViewPort( 0, 0, oldW, oldH )⤶ </code>⤶ ⤶ </example>

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