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Algorithms are used for calculation, data processing, and automated reasoning. More precisely, an algorithm is an effective method expressed as a finite list of well-defined instructions for calculating a function.

12 votes
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How would one determine the position of a participant in a racing game?

Shawn Hargreaves describes how MotoGP used a special track-relative position system. Ignoring the vertical y position, the x/z Cartesian coordinates are translated to a track-relative system. This had …
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16 votes
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Determine position of a rotated element in Tetris

The simplest wall kick algorithm ... 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. … The DTET rotation system extends the simplest algorithm by checking five other wall kicks besides just right and left. All pieces follow the same rules. …
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