| 1 | import { ChessRules } from "@/base_rules"; |
| 2 | import { BerolinaRules } from "@/variants/Berolina"; |
| 3 | |
| 4 | export class GridolinaRules extends BerolinaRules { |
| 5 | static get Lines() { |
| 6 | return [ |
| 7 | [[2, 0], [2, 8]], |
| 8 | [[4, 0], [4, 8]], |
| 9 | [[6, 0], [6, 8]], |
| 10 | [[0, 2], [8, 2]], |
| 11 | [[0, 4], [8, 4]], |
| 12 | [[0, 6], [8, 6]] |
| 13 | ]; |
| 14 | } |
| 15 | |
| 16 | static OnDifferentGrids([x1, y1], [x2, y2]) { |
| 17 | return ( |
| 18 | Math.abs(Math.floor(x1 / 2) - Math.floor(x2 / 2)) >= 1 || |
| 19 | Math.abs(Math.floor(y1 / 2) - Math.floor(y2 / 2)) >= 1 |
| 20 | ); |
| 21 | } |
| 22 | |
| 23 | canTake([x1, y1], [x2, y2]) { |
| 24 | return ( |
| 25 | V.OnDifferentGrids([x1, y1], [x2, y2]) && |
| 26 | super.canTake([x1, y1], [x2, y2]) |
| 27 | ); |
| 28 | } |
| 29 | |
| 30 | getPotentialMovesFrom([x, y]) { |
| 31 | return ( |
| 32 | super.getPotentialMovesFrom([x, y]).filter(m => { |
| 33 | return V.OnDifferentGrids([x, y], [m.end.x, m.end.y]); |
| 34 | }) |
| 35 | ); |
| 36 | } |
| 37 | }; |