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propecia] [http://mightloveyou.blogspot.com black casino jack] [http://chapnin.blogspot.com casino online riverbelle] [http://worst-of-best.blogspot.com bet casino online] [http://i-got-the-music.blogspot.com cheap phentermine no prescription free shipping] [http://moon-bear.blogspot.com propecia review] [http://bitchassmandy.blogspot.com adderall ativan] [http://sportvictorine.blogspot.com cheap phentermine no rx] A '''piece''' in ''Tetris'' and similar [[game]]s 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 [[Fan game|clones]], they are colored differently.
| | A '''piece''' in ''Tetris'' and similar [[game]]s 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 [[Fan game|clones]], they are colored differently. |
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| == Polyominoes == | | == Polyominoes == |
Revision as of 06:52, 10 May 2007
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.
- A one-sided polyomino is one that may be translated or rotated.
- A fixed polyomino can only be translated.
Polyominoes come in several sizes:
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".
Hinged polyominoes
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Hinged tetrominoes in Tetris 2
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A hinged polyomino is similar to a polyomino but also allows connections at a point. In games that use hinged polyominoes, a piece may break apart at the diagonal connections when it lands, and the fragments may or may not be controllable afterward.
See Also
External links