Created
January 15, 2021 17:26
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| wins = [ | |
| # rows | |
| 0b000000111, | |
| 0b000111000, | |
| 0b111000000, | |
| # cols | |
| 0b100100100, | |
| 0b010010010, | |
| 0b001001001, | |
| # diags | |
| 0b100010001, | |
| 0b001010100 | |
| ] | |
| board = 0b101010111 | |
| puts(wins.any? { |w| w & board == w }) |
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Oh... it's not my idea :)
It's a check from player's perspective.
So there is no need for "empty cell" state.