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Game logic

Rune practice

Draw a rune in one stroke: the game’s recognizer says which rune it sees and how well you drew it. The stroke is read as on the DS: on its 256 × 192 touch screen, one point per frame.

Draw in one stroke and lift to recognize it.

Result

Draw a rune to see what the game recognizes.

Debug view

The stroke as the recognizer sees it, and how it compares with the winning template.

In the 64 × 64 grid, with the template

Score by segment

The score adds, along both lines, the share of the length × how alike the directions are × how close the points are (Manhattan distance out of 128).

Template segmentStroke segmentShare of the lengthDirection matchDistanceAdds

Back to the runes

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