Portal 2 Puzzle Maker/Turret

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This article contains content specific to the Portal 2 Puzzle Maker. For the Authoring Tools equivalent, see npc_portal_turret_floor.

Aperture Science floor turret as seen in Portal.

Item Properties

Turrets are hazards which will automatically target any player within their range and field of view (designated in the editor by a shaded red cone when the turret is selected). After a short delay they will fire on the player with dual machine guns; if the player leaves their line of sight they will remain on alert for a short time before going back to "sleep".

The player can neutralize them by tipping them over (either by picking them up or indirectly through the use of a testing element), dropping them in Goo, igniting them with a Laser Beam, causing them to pass through a Fizzler, or indirectly by splashing them with Repulsion Gel (which causes them to bounce around uncontrollably).

This item has no options to set.

Item Functions

Turrets can be precisely rotated in any direction. To constrain rotation to 15-degree increments, hold down Shift while rotating.

Placement

Turrets must be placed on an unoccupied solid surface--the editor will not permit them to be placed mid-air or within a Goo pit.

In addition to unoccupied solid floors, valid placements for turrets include:

• Glass or Angled Panels that start deployed at 90 degrees
  • Both will support a turret on the flat side if used as a floor; the turret will fall when the panel is retracted
• Glass or Grating
  • Both will support a turret if used as a floor
• Piston Platforms
  • Use with care--moving platforms can sometimes tip over turrets standing on them
• In the path of a Laser or Tractor Beam, active or not
  • The turret will be affected by either beam as soon as the beam is activated

Invalid placement surfaces include:

• Standing on Flip Panels, Angled Panels which do not start deployed, Stairs (deployed or not) or Faith Plates
  • These require space to activate/deploy, and do not permit anything to be placed in the square in front of them
• Standing on a Weighted, Cube or Sphere Button; on a floor-mounted Laser Emitter, Catcher or Relay; or on a Light Strip in one of its two center positions
  • All of these testing elements have geometry that extends into the adjacent square and conflicts with the turret
• In the same square as any other free-standing physics object such as another turret or any type of cube
  • Two objects cannot occupy the same location
• Mid-air Light Bridges
  • These do not activate until shortly after the player enters the level, by which point the turret would have fallen
• Directly in the path of a Fizzler or Laser Field
  • Both Wall Hazards are considered to occupy the space between their emitters

Facts

The turret will say a "Hello" type quote when selected, and will say a "Goodbye" type quote when deselected.