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joshwcomeau/snail-4-permutations.js

Created July 1, 2016 21:16
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snail-4-permutations.js
const flipMatrix = matrix => (
matrix[0].map((column, index) => (
matrix.map(row => row[index])
))
);
const rotateMatrix = matrix => (
flipMatrix(matrix.reverse())
);
const rotateMatrixCounterClockwise = matrix => (
flipMatrix(matrix).reverse()
);
const flipMatrixCounterClockwise = matrix => (
rotateMatrix(matrix).reverse()
);
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