Wall kick: Difference between revisions

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Here ''T'' cannot rotate without a wall kick
Here ''T'' cannot rotate without a wall kick
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The simplest wall kick algorithm (for games with wall kicks) is a tie between the one used in [[Tetris Worst]], (because it always forces 20G and herefore if it is above the bottom, it is forced to drop to the bottom) and [[Atari]] rotation (this one aligns the pieces to left (except I), and checking left kick to ensure right wall smooth rotation).
The simplest wall kick algorithm (for games with wall kicks) is [[Atari]] rotation (this one aligns the pieces to left (except I), and checking left kick to ensure right wall smooth rotation).


Another simple wall kick algorithm, used (with variations) by [[TGM rotation]] and several [[fan game]]s in the same tradition, is to try moving the tetromino one space to the right, and then one space to the left, and fail if neither can be done. Wall kicks increase the number of possible [[twist]]s. [[Official Scratch Tetris]] uses a variant: one space up is also checked, then 2 right if I is vertical and next to left wall.
Another simple wall kick algorithm, used (with variations) by [[TGM rotation]] and several [[fan game]]s in the same tradition, is to try moving the tetromino one space to the right, and then one space to the left, and fail if neither can be done. Wall kicks increase the number of possible [[twist]]s.


Other notable [[rotation system]]s that include wall kick or [[floor kick]] include the following:
Other notable [[rotation system]]s that include wall kick or [[floor kick]] include the following:
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*The rotation system of ''[[DTET]]'', a fan game with an unarbitrary wall kick algorithm, but not floor kick
*The rotation system of ''[[DTET]]'', a fan game with an unarbitrary wall kick algorithm, but not floor kick
*[[XRS]] which is a cross rotation system in [[tetris-ex]]
*[[XRS]] which is a cross rotation system in [[tetris-ex]]
*[[Tetris Best rotation system]] allowing most kicks (but not the ones that kick 3) - used in [[Tetris Best]]
*[[Tetris Perfect rotation system]], a condemned, fully SRS-compatible rotation system allowing all the kicks, used in [[Tetris Perfect]] (which later [[Tetris Perfect rotation system#Tetris Return rotation system|returned]] to life)
*Any rotation system in NullpoMino that has a wallkick set (only the preset wallkick rules are allowed --one of the very few cases of NullpoMino not being customizable)
*Any rotation system in NullpoMino that has a wallkick set (only the preset wallkick rules are allowed --one of the very few cases of NullpoMino not being customizable)
**In Linux, you can change the preset wallkicks. Any other OS and it will be ignored due to the preset wallkicks being in the executable.
**In Linux, you can change the preset wallkicks outside of the .exe. Any other OS and it will be ignored due to the preset wallkicks being in the .exe file


Data tables describing systems for a number of ''Tetris'' games exist in the source code of several fan games, such as [[Heboris Unofficial Expansion]], [[syoboris]] or [[Lockjaw]].
Data tables describing systems for a number of ''Tetris'' games exist in the source code of several fan games, such as [[Heboris Unofficial Expansion]], [[syoboris]] or [[Lockjaw]].

Latest revision as of 22:45, 1 November 2023

A wall kick happens when a player rotates a piece when no space exists in the squares where that tetromino would normally occupy after the rotation. To compensate, the game sets a certain number of alternative spaces for the tetromino to look. Wall kicks started appearing in games because after a piece would be backed up against the wall, it would awkwardly be unable to rotate until first moving back.

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Tet.pngttTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
Tet.pngtTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
Tet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
Tet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
Tet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
Tet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngGGg
Tet.pngTet.pnggggTet.pngGGgg
Tet.pngggGGGGGGG

Here T can rotate

tTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
ttTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
tTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
Tet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
Tet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
Tet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.png
Tet.pngTet.pngTet.pngTet.pngTet.pngTet.pngTet.pngGGg
Tet.pngTet.pnggggTet.pngGGgg
Tet.pngggGGGGGGG

Here T cannot rotate without a wall kick

The simplest wall kick algorithm (for games with wall kicks) is Atari rotation (this one aligns the pieces to left (except I), and checking left kick to ensure right wall smooth rotation).

Another simple wall kick algorithm, used (with variations) by TGM rotation and several fan games in the same tradition, is to try moving the tetromino one space to the right, and then one space to the left, and fail if neither can be done. Wall kicks increase the number of possible twists.

Other notable rotation systems that include wall kick or floor kick include the following:

  • The rotation systems of the domino based games Dr. Mario, Puyo Puyo, and Super Puzzle Fighter II.
  • The rotation system of Tetris DX, which allows wall climbing
  • The rotation system of The New Tetris, considered a predecessor to SRS
  • SRS, the flexible Super Rotation System used by games that follow the Tetris Guideline, but has no floor kicks.
    • For Tetris at tetris.com, there seems to be extended superkicks (it is exploitable through mouse movement).
  • The rotation system of DTET, a fan game with an unarbitrary wall kick algorithm, but not floor kick
  • XRS which is a cross rotation system in tetris-ex
  • Any rotation system in NullpoMino that has a wallkick set (only the preset wallkick rules are allowed --one of the very few cases of NullpoMino not being customizable)
    • In Linux, you can change the preset wallkicks outside of the .exe. Any other OS and it will be ignored due to the preset wallkicks being in the .exe file

Data tables describing systems for a number of Tetris games exist in the source code of several fan games, such as Heboris Unofficial Expansion, syoboris or Lockjaw.

External links