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Surfaces: Difference between revisions

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Each level within the ''Portal'' series consists of '''surfaces'''. Typically, a [[Portals|portal]] can be placed upon any light-colored flat surface, whereas an uneven or dark surface cannot be used in this way. In this way, the placement and location of portal-conductive surfaces is a fundamental design choice, and determines the way in which the puzzle(s) need to be solved.  
Each level within the ''Portal'' series consists of '''surfaces'''. Typically, a [[Portals|portal]] can be placed upon any light-colored flat surface, whereas an uneven or dark surface cannot be used in this way. In this way, the placement and location of portal-conductive surfaces is a fundamental design choice, and determines the way in which the puzzle(s) need to be solved.  


In some [[Test Chambers|Test Chamber]], surfaces are blocked by doors or other obstacles, or must be [[Button|activated]] before a portal can be placed upon them. In ''[[Portal 2]]'', the only way to overcome some puzzles that lack portal-conductive surfaces is through the use of [[Gels]].  
In some [[Test Chambers|Test Chambers]], surfaces are blocked by doors or other obstacles, or must be [[Button|activated]] before a portal can be placed upon them. In ''[[Portal 2]]'', the only way to overcome some puzzles that lack portal-conductive surfaces is through the use of [[Gels]].  


== Appearance ==
== Appearance ==
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[[image:portal2_no_portal_old_surface.png|170px|right|border]]
[[image:portal2_no_portal_old_surface.png|170px|right|border]]
==== Non-portal-able ====
==== Non-portal-able ====
The non-portal-able surfaces in ''Portal 2'' don't have any 3D effect or shininess like the ones in ''Portal''. They're changed from a bronze-like color to black with grey lines to better contrast with the updated portal-able textures.
The non-portal-able surfaces in ''Portal 2'' don't have any 3D effect or shininess like the ones in ''Portal''. They've been changed from a bronze-like color to black with grey lines to better contrast with the updated portal-able textures.


In Old Aperture, non-portal-able surfaces can include a variety of materials including green, black, brown metals and wood.  
In Old Aperture, non-portal-able surfaces can include a variety of materials including green, black, brown metals and wood.  
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== Trivia ==
== Trivia ==
* Glass, despite being a flat surface in-game, automatically repels both Portals and Gels.
* Glass, despite being a flat surface in-game, automatically repels both Portals and Gels.
** As a result of this, glass panels are often used in [[Aperture Tag: The Paint Gun Testing Initiative]] as a way to limit gel usage and flesh out puzzles, in much the same way as non-portal-able surfaces are used in the official series.  
** As a result of this, glass panels are often used in [[Aperture Tag: The Paint Gun Testing Initiative]] as a way to limit gel usage and flesh out puzzles, in much the same way as non-portal-able surfaces are used in the official series.
 
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[[Category:Mechanics]]
[[Category:Gameplay]]
[[Category:Gameplay]]