Linedef type 63
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Linedef type 63, Fake Floor/Ceiling Planes, is a type of linedef special which creates two fake planes, a fake floor and a fake ceiling, in every tagged sector. The tagged sector's actual floor and ceiling will not be visible, although they will be tangible, and the fake planes will be intangible. This effect is useful for hiding secrets, creating invisible collision detection, or creating a fake thok barrier.
The floor and ceiling height of the control sector are the floor and ceiling height of the displayed fake planes. The actual planes are defined by floor and ceiling height of the target sector, and those are the ones that the player collides with. Flats are also set in the target sector. You may also add middle textures to the tagged sector and adjust their offsets to create fake walls, allowing you to create flowerbeds and railings with more efficient collision and less graphical errors than with FOFs.
In addition to fake planes/walls, this linedef special can also apply a colormap in exactly the same manner as linedef type 606 (see article for further details): the front upper texture determines the color code of the colormap to apply to the sector, the front lower texture determines the color to fade to instead of black, and the front middle texture determines extra colormap settings.
- Example WAD: ex_ld063_fakeplanes.wad
- This example WAD can be played in any gametype. It uses
MAP01, replacing Greenflower Zone Act 1.
- The sector to the left of the player is a normal fake floor, raised at 32 units. Because the sector has no middle textures to obscure the edges of the fake floor, it appears to "bleed" into the surrounding sector. The sector to the right of the player uses middle textures with a -32 offset to prevent this from happening. The sector in front of the player is a fake floor rendering the floor at 0 units, but the actual floor is at 32 units.
|Linedef types – Miscellaneous||[view]|
|Per-Sector Gravity • Speed Pad • Camera Scanner • Disable Linedef Effect on Level Load • Sector Flat Alignment • Culling Plane • Heat Wave Effect • Visual Portal Between Tagged Linedefs • Instantly Lower Floor on Level Load • Instantly Raise Ceiling on Level Load • Fake Floor/Ceiling Planes • Floor Friction|