干净

此传送门2艺术主题用于单人战役的后期阶段显示, 在更深的光圈实验室室中。 它的特点是干净有序。 The lighting is mostly cold, thanks to glass lights, although some warm light strips may be present. This theme is usually considered to be the easiest to work with in Hammer, since Clean chambers are generally easy to prototype and require little advanced features.

This theme is also used throughout most of co-op, in particular Courses 1 and 2. However, this theme is also used throughout the single-player campaign, mostly during Chapter 4 and the first few test chambers of Chapter 8 (the rest of them are Wheatley-themed).

Level transitions are placed in pristine elevator rooms.

Elements

An example of a chamber that combines elements of the Wheatley theme and Clean theme, from Portal 2 Singleplayer mode

Another example of a clean test chamber, from Portal 2 Singleplayer mode.

• Light Strips, not broken nor flickering
• Turbine Entrance and Exit Elevators
• Test Chamber Doors, not malfunctioning
• Observation Rooms with lights on, not flickering
• Test Chamber Sign, not flashing
• Panels
• Any other testing elements

Portalable Textures

Walls

• white_wall_tile003a for normal (2x1) walls
• white_wall_tile003c for square (2x2) walls
• white_wall_tile003f for small square (4x4) walls
• white_wall_tile003h for big square (1x1) walls

Floors

• white_floor_tile004a for normal floors
• white_floor_tile004b for checker floors
• white_floor_tile004c for darker floors

Ceilings

• white_ceiling_tile002a

Non Portalable Textures

Walls

• black_wall_metal_002b Small
• black_wall_metal_002a Medium
• black_wall_metal_002c Large
• black_wall_metal_002d Extra Large

For some reason, "black_wall_metal_002b" is larger than "black_wall_metal_002a"

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The Aesthetics of Portal 2

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