Piece: Difference between revisions
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A '''polyomino''' is a piece made of two or more square blocks, where all blocks are connected through full coincident edges (as if squares on graph paper). | A '''polyomino''' is a piece made of two or more square blocks, where all blocks are connected through full coincident edges (as if squares on graph paper). | ||
*A ''free polyomino'' is one that may be translated (moved about), rotated, or reflected. | *A ''free polyomino'' is one that may be translated (moved about), rotated, or reflected. These are used in ''[[Pokémon Tetris]]''. | ||
*A ''one-sided polyomino'' is one that may be translated or rotated. | *A ''one-sided polyomino'' is one that may be translated or rotated. These are the ones used in ''Tetris''. | ||
*A ''fixed polyomino'' can only be translated. | *A ''fixed polyomino'' can only be translated. | ||
Polyominoes come in several sizes: | Polyominoes come in several sizes: | ||
* 2 blocks make a [[domino]]: featured in ''[[Dr. Mario]]'' and ''[[Puyo Pop]]''; seen in ''[[Tetris Blast]]''. | * 1 block makes a [[monomino]]: seen in ''[[Super Tetris 3]]'' (Magicaliss mode) | ||
* 2 blocks make a [[domino]]: featured in ''[[Dr. Mario]]'' and ''[[Puyo Pop]]''; seen in ''[[Tetris Blast]]'', ''[[Super Tetris 3]]'' (Magicaliss mode). | |||
* 3 blocks make a [[tromino]] (or trimino): featured in ''[[Columns]]'' (fixed I only) and ''[[Pac-Attack]]'' (L only); seen in ''[[Tetris Blast]]'' (I, L) and ''Puyo Pop Fever'' (L). | * 3 blocks make a [[tromino]] (or trimino): featured in ''[[Columns]]'' (fixed I only) and ''[[Pac-Attack]]'' (L only); seen in ''[[Tetris Blast]]'' (I, L) and ''Puyo Pop Fever'' (L). | ||
* 4 blocks make a [[tetromino]] (or tetramino or tetrimino): featured in ''Tetris'' and its clones. ''[[Lumines]]'' uses only O tetrominoes. | * 4 blocks make a [[tetromino]] (or tetramino or tetrimino): featured in ''Tetris'' and its clones. ''[[Lumines]]'' uses only O tetrominoes. | ||
* 5 blocks make a [[pentomino]]: featured in ''[[Daedalian Opus]]''; seen in ''[[Tetris 2 | * 5 blocks make a [[pentomino]]: featured in ''[[Daedalian Opus]]''; seen in ''[[Tetris 2 + Bombliss]]'', ''[[Tetris 64]]'', ''[[Puyo Puyo Tetris]]'' etc. | ||
Polyominoes are often named by a Latin letter that resembles the shape of the polyomino. For instance, an "I" has all its blocks in a straight line, and a "T" consists of an "I" tromino with one or more blocks in a straight line connected to one side of the center of the "I". | Polyominoes are often named by a Latin letter that resembles the shape of the polyomino. For instance, an "I" has all its blocks in a straight line, and a "T" consists of an "I" tromino with one or more blocks in a straight line connected to one side of the center of the "I". | ||
== | == Psueudo-polyominoes == | ||
{| align="right" | {| align="right" | ||
|<playfield> | |<playfield> | ||
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</playfield> | </playfield> | ||
|- | |- | ||
| | | Pseudo-tetrominoes<br>in ''Tetris 2'' | ||
|} | |} | ||
A '''hinged polyomino''' or '''polyplet'''[http://mathworld.wolfram.com/Polyplet.html] is similar to a polyomino but also allows connections at a point. In games that use | A '''pseudo-polyomino''', also known as a '''hinged polyomino''', '''polyking''' or '''polyplet'''[http://mathworld.wolfram.com/Polyplet.html] is similar to a polyomino but also allows connections at a point. In games that use pseudo-polyominoes, a piece may break apart at the diagonal connections when it lands, and the fragments may or may not be controllable afterward. | ||
* 4 blocks: [[ | * 3 blocks: [[Pseudo-tromino]] (featured in ''[[EGAint]]''). | ||
* 4 blocks: [[Psuedo-tetromino]] (featured in ''[[Tetris 2]]''). | |||
== Quasi-polyomino == | |||
A '''quasi-polyomino''' is any set of blocks regardless of whether they are connected or not. These are featured in ''[[Kowaris]]''. | |||
== Other polyforms == | == Other polyforms == | ||
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*[http://en.wikipedia.org/wiki/Polyomino Wikipedia:Polyomino] | *[http://en.wikipedia.org/wiki/Polyomino Wikipedia:Polyomino] | ||
*[http://en.wikipedia.org/wiki/Tetromino Wikipedia:Tetromino] | *[http://en.wikipedia.org/wiki/Tetromino Wikipedia:Tetromino] | ||
*[http://en.wikipedia.org/wiki/Pseudo-polyomino Wikipedia:Pseudo-polyomino] | |||
[[Category:Interface]] | [[Category:Interface]] | ||
Revision as of 09:20, 27 September 2018
A piece in Tetris and similar games is a geometric shape consisting of a set of blocks that is moved as a unit. A block is the part of a piece that fills one unit of the playfield. In some games, all blocks that make up a piece are colored the same; in others, especially falling piece games other than Tetris and its clones, they are colored differently.
Polyominoes
A polyomino is a piece made of two or more square blocks, where all blocks are connected through full coincident edges (as if squares on graph paper).
- A free polyomino is one that may be translated (moved about), rotated, or reflected. These are used in Pokémon Tetris.
- A one-sided polyomino is one that may be translated or rotated. These are the ones used in Tetris.
- A fixed polyomino can only be translated.
Polyominoes come in several sizes:
- 1 block makes a monomino: seen in Super Tetris 3 (Magicaliss mode)
- 2 blocks make a domino: featured in Dr. Mario and Puyo Pop; seen in Tetris Blast, Super Tetris 3 (Magicaliss mode).
- 3 blocks make a tromino (or trimino): featured in Columns (fixed I only) and Pac-Attack (L only); seen in Tetris Blast (I, L) and Puyo Pop Fever (L).
- 4 blocks make a tetromino (or tetramino or tetrimino): featured in Tetris and its clones. Lumines uses only O tetrominoes.
- 5 blocks make a pentomino: featured in Daedalian Opus; seen in Tetris 2 + Bombliss, Tetris 64, Puyo Puyo Tetris etc.
Polyominoes are often named by a Latin letter that resembles the shape of the polyomino. For instance, an "I" has all its blocks in a straight line, and a "T" consists of an "I" tromino with one or more blocks in a straight line connected to one side of the center of the "I".
Psueudo-polyominoes
| |
| Pseudo-tetrominoes in Tetris 2 |
A pseudo-polyomino, also known as a hinged polyomino, polyking or polyplet[1] is similar to a polyomino but also allows connections at a point. In games that use pseudo-polyominoes, a piece may break apart at the diagonal connections when it lands, and the fragments may or may not be controllable afterward.
- 3 blocks: Pseudo-tromino (featured in EGAint).
- 4 blocks: Psuedo-tetromino (featured in Tetris 2).
Quasi-polyomino
A quasi-polyomino is any set of blocks regardless of whether they are connected or not. These are featured in Kowaris.
Other polyforms
Hextris and Bikaka are variants of Tetris that use 4-cell polyhexes, or pieces created from regular hexagons.[2] Bubble Bath Babes uses polyhexes that may be reflected around the X or Y axis but not rotated.