TGM Rotation: Difference between revisions

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'''TGM rotation''' is a game play mechanic used in ''[[Tetris The Grand Master]]'' and other Arika tetromino games, derived from [[Sega rotation]].
#REDIRECT:[[ARS]]
 
Games using TGM rotation generally use Sega colors, [[IRS#IRS|IRS]], fast [[DAS]], [[lock delay]], and firm [[drop]], and tetrominoes start out with the topmost block on the top row (generally row 20). ''[[Tetris The Grand Master Ace]]'' uses a hybrid of TGM rules and [[Tetris Guideline|Guideline]] rules.
[[Image:Tgm basic ars description.png|left|frame|ARS basics rotations.]]
<br clear="all">
== Wall kick ==
:''Illustration goes here.''
 
Sometimes a rotation is blocked by the walls outside the playfield or by blocks inside the playfield. Most often, TGM tries to rotate the tetromino within the box without moving it, then try [[wall kick]]s: one space to the right, then try one space to the left, then fail. In some special cases, TGM skips these displacements. TGM2 and Sakura Tetris use the same system as TGM.
 
{|
|- valign="top"
|{{pfstart}}
{{pfrow| | | | | | | | | | }}
{{pfrow| |L|L|L| | |J|J|J| }}
{{pfrow| |L|X| | | | |X|J| }}
{{pfend}}
|{{pfstart}}
{{pfrow| | | | |X| | | | | }}
{{pfrow| | | | |I| | | | | }}
{{pfrow| | | |I|I|I| | | | }}
{{pfend}}
|-
| colspan="2" | If the [[Image:XTet.png|X]] marked block is occupied when rotating from this position, TGM will not attempt wall kicks.
|}
 
TGM3 also tries a [[floor kick]] when rotating a T or I tetromino to some orientations.
 
== References ==
*[http://www.tetrisconcept.com/forum/viewtopic.php?p=480#480 colour_thief's explanation of ARS wall kick on the tetrisconcept.com forum]
*[http://www13.plala.or.jp/TETRiS_TGM/kouza/index.htm TGM rotations, in Japanese]
 
[[Category:Game Mechanics]]
[[Category:Gameplay Components]]
[[Category:Rotation Systems]]

Latest revision as of 18:29, 28 August 2017

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