Editing 2.5D (section)

===Parallax scrolling===
{{Main|Parallax scrolling}}
[[File:Parallax_scroll.gif|thumb|225px|right|An example of [[parallax scrolling]]|alt=Three different image layers scrolling at different speeds]]
[[Parallax]]ing refers to when a collection of [[2D computer graphics|2D]] [[sprite (computer graphics)|sprite]]s or layers of sprites are made to move independently of each other and/or the background to create a sense of added depth.<ref name="Pile">{{cite book |last=Pile Jr |first=John |author-link=John Pile Jr |date=May 2013 |title=2D Graphics Programming for Games |url=http://www.crcpress.com/product/isbn/9781466501898 |location=New York, NY |publisher=CRC Press |isbn=978-1466501898 }}</ref>{{rp|103}} This depth cue is created by relative motion of layers. The technique grew out of the [[multiplane camera]] technique used in [[traditional animation]] since the 1940s.<ref name=art>{{cite web|title=The Art of Parallax Scrolling |url=http://mos.futurenet.com/pdf/net/NET165_tut_flash.pdf |first=Wyatt |last=Paul |date=August 2007 |access-date=2009-07-06 |url-status=dead |archive-url=https://web.archive.org/web/20091007223458/http://mos.futurenet.com/pdf/net/NET165_tut_flash.pdf |archive-date=2009-10-07 }}</ref> This type of graphical effect was first used in the 1982 [[arcade game]] ''[[Moon Patrol]]''.<ref>{{cite web|title=Chronology of the History of Video Games: Golden Age |url=http://www.thocp.net/software/games/golden_age.htm |first=Ted |last=Stahl |date=2006-07-26 |access-date=2009-11-21 |archive-url=https://web.archive.org/web/20091127183910/http://www.thocp.net/software/games/golden_age.htm |archive-date=27 November 2009 |url-status=live }}</ref>
Examples include the skies in ''[[Rise of the Triad]]'', the arcade version of ''[[Rygar]]'', ''[[Sonic the Hedgehog (1991 video game)|Sonic the Hedgehog]]'', ''[[Street Fighter II]]'', ''[[Shadow of the Beast (1989 video game)|Shadow of the Beast]]'' and ''[[Castlevania: Rondo of Blood#Castlevania: The Dracula X Chronicles|Dracula X Chronicles]]'', as well as ''[[Super Mario World]]''.