Tetromino: Difference between revisions
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A '''tetromino''' | A '''tetromino''' is a [[polyomino]] or block made of four square blocks. | ||
The seven one-sided tetrominoes are ''I'', ''O'', ''T'', ''S'', ''Z'', ''J'', and ''L''. | |||
The spelling "tetromino" is standard among mathematicians. | The spelling "tetromino" is standard among mathematicians. | ||
[[The Tetris Company]] had preferred '''tetramino''' around 1999 and has used ''' | [[The Tetris Company]] had preferred '''tetramino''' around 1999 and has used '''Tetrimino''' since 2001. | ||
== The basic tetrominoes == | == The basic tetrominoes == | ||
Each tetromino has a letter name and several alternative names. | Each tetromino has a letter name and several alternative names. | ||
In most games other than [[Tetris (NES, Nintendo)|''Tetris'' for NES]], ''[[Tetris & Dr. Mario]]'', or black-and-white systems, each tetromino has a different color. However, before about 2001, these colors varied from product to product, making it difficult for people who play different games to discuss "the blue piece". Since then, the color schemes associated with [[SRS]] and [[TGM Rotation]] have dominated new games, and "the blue piece" is always J. | |||
In most games other than | |||
===''I''=== | ===''I''=== | ||
Other names include ''straight'', ''stick'', and ''long''. This is the only tetromino that can [[Line clear#Tetris|clear four lines]] outside of [[cascade]] games. | Other names include ''straight'', ''stick'', and ''long''. This is the only tetromino that can [[Line clear#Tetris|clear four lines]] outside of [[cascade]] games. | ||
{{pfstart}} | {{pfstart}} | ||
{{ | {{width4row|aT|aT|aT|aT|}} | ||
{{ | {{width4row| | | | |}} | ||
{{pfend}} | |||
===''O''=== | ===''O''=== | ||
Other names include ''square'' and '' | Other names include ''square'', ''block'' and ''sun''. | ||
{{pfstart}} | {{pfstart}} | ||
{{ | {{width4row| |aO|aO| |}} | ||
{{ | {{width4row| |aO|aO| |}} | ||
{{pfend}} | |||
===''T''=== | ===''T''=== | ||
This piece is used for [[T-Spin]]s. | |||
{{pfstart}} | {{pfstart}} | ||
{{ | {{width4row| |aS|aS|aS|}} | ||
{{ | {{width4row| | |aS| |}} | ||
{{pfend}} | {{pfend}} | ||
===''S''=== | ===''S''=== | ||
Other names include ''inverse skew'' and ''right snake''. | Other names include ''inverse skew'' and ''right snake''. | ||
{{pfstart}} | {{pfstart}} | ||
{{ | {{width4row| | |aZ|aZ|}} | ||
{{ | {{width4row| |aZ|aZ| |}} | ||
{{pfend}} | {{pfend}} | ||
===''Z''=== | ===''Z''=== | ||
Other names include ''skew'' and ''left snake''. | Other names include ''skew'', ''reverse S'' and ''left snake''. | ||
{{pfstart}} | {{pfstart}} | ||
{{ | {{width4row|aI|aI| | |}} | ||
{{ | {{width4row| |aI|aI| |}} | ||
{{pfend}} | {{pfend}} | ||
===''J''=== | ===''J''=== | ||
Other names include ''gamma'', ''inverse L'', or ''left gun''. | Other names include ''gamma'', ''inverse L'', ''reverse L'', or ''left gun''. | ||
{{pfstart}} | {{pfstart}} | ||
{{ | {{width4row|aJ|aJ|aJ| |}} | ||
{{ | {{width4row| | |aJ| |}} | ||
{{pfend}} | {{pfend}} | ||
===''L''=== | ===''L''=== | ||
Other names include ''right gun''. | Other names include ''right gun''. | ||
{{pfstart}} | {{pfstart}} | ||
{{ | {{width4row| |aL|aL|aL|}} | ||
{{ | {{width4row| |aL| | |}} | ||
{{pfend}} | {{pfend}} | ||
== Multimino == | == Multimino == | ||
In ''[[The Next Tetris]]'', Sticky mode of ''[[Tetris Worlds]]'' and ''[[Tetris Mania]]'', and ''[[Jewelry Master]]'', some tetrominoes are ''multiminoes,'' that is, the | In ''[[The Next Tetris]]'', Sticky mode of ''[[Tetris Worlds]]'' and ''[[Tetris Mania]]'', and ''[[Jewelry Master]]'', some tetrominoes are ''multiminoes,'' that is, the Tetromino itself is divided into visible components. | ||
Though the | Though the Tetromino is moved and [[rotate]]d as a unit, once it [[Drop|locks]], the components separate by colors and fall. | ||
==See also== | ==See also== | ||
*[[Piece]] | *[[Piece]] | ||
*[[Orientation]] | *[[Orientation]] | ||
==External links== | ==External links== | ||
*[http://mathworld.wolfram.com/Tetromino.html Mathworld] | *[http://mathworld.wolfram.com/Tetromino.html Mathworld] | ||
| Line 130: | Line 71: | ||
*[http://www.arkmay.com/tetris/pieces.html The Tetris Taxonomy: The Pieces] (Adult audience) | *[http://www.arkmay.com/tetris/pieces.html The Tetris Taxonomy: The Pieces] (Adult audience) | ||
[[Category:Interface]] | [[Category:Interface]] | ||
[[Category:NIWA]] | |||
Latest revision as of 18:11, 27 October 2018
A tetromino is a polyomino or block made of four square blocks. The seven one-sided tetrominoes are I, O, T, S, Z, J, and L. The spelling "tetromino" is standard among mathematicians. The Tetris Company had preferred tetramino around 1999 and has used Tetrimino since 2001.
The basic tetrominoes
Each tetromino has a letter name and several alternative names. In most games other than Tetris for NES, Tetris & Dr. Mario, or black-and-white systems, each tetromino has a different color. However, before about 2001, these colors varied from product to product, making it difficult for people who play different games to discuss "the blue piece". Since then, the color schemes associated with SRS and TGM Rotation have dominated new games, and "the blue piece" is always J.
I
Other names include straight, stick, and long. This is the only tetromino that can clear four lines outside of cascade games.
  |
O
Other names include square, block and sun.
 |
T
This piece is used for T-Spins.
 |
S
Other names include inverse skew and right snake.
 |
Z
Other names include skew, reverse S and left snake.
 |
J
Other names include gamma, inverse L, reverse L, or left gun.
 |
L
Other names include right gun.
 |
Multimino
In The Next Tetris, Sticky mode of Tetris Worlds and Tetris Mania, and Jewelry Master, some tetrominoes are multiminoes, that is, the Tetromino itself is divided into visible components. Though the Tetromino is moved and rotated as a unit, once it locks, the components separate by colors and fall.
See also
External links
- Mathworld
- Wikipedia:Tetromino
- The Tetris Taxonomy: The Pieces (Adult audience)