client/src/variants/Gridolina.js

   1 import { ChessRules } from "@/base_rules";
   2 import { BerolinaRules } from "@/variants/Berolina";
   3
   4 export class GridolinaRules extends BerolinaRules {
   5
   6   static get Lines() {
   7     return [
   8       [[2, 0], [2, 8]],
   9       [[4, 0], [4, 8]],
  10       [[6, 0], [6, 8]],
  11       [[0, 2], [8, 2]],
  12       [[0, 4], [8, 4]],
  13       [[0, 6], [8, 6]]
  14     ];
  15   }
  16
  17   static OnDifferentGrids([x1, y1], [x2, y2]) {
  18     return (
  19         Math.abs(Math.floor(x1 / 2) - Math.floor(x2 / 2)) >= 1 ||
  20         Math.abs(Math.floor(y1 / 2) - Math.floor(y2 / 2)) >= 1
  21     );
  22   }
  23
  24   canTake([x1, y1], [x2, y2]) {
  25     return (
  26       V.OnDifferentGrids([x1, y1], [x2, y2]) &&
  27       super.canTake([x1, y1], [x2, y2])
  28     );
  29   }
  30
  31   getPotentialMovesFrom([x, y]) {
  32     return (
  33       super.getPotentialMovesFrom([x, y]).filter(m => {
  34         return V.OnDifferentGrids([x, y], [m.end.x, m.end.y]);
  35       })
  36     );
  37   }
  38
  39   isAttackedBySlideNJump([x, y], color, piece, steps, oneStep) {
  40     for (let step of steps) {
  41       let rx = x + step[0],
  42           ry = y + step[1];
  43       while (V.OnBoard(rx, ry) && this.board[rx][ry] == V.EMPTY && !oneStep) {
  44         rx += step[0];
  45         ry += step[1];
  46       }
  47       if (
  48         V.OnBoard(rx, ry) &&
  49         this.getPiece(rx, ry) == piece &&
  50         this.getColor(rx, ry) == color &&
  51         V.OnDifferentGrids([x, y], [rx, ry])
  52       ) {
  53         return true;
  54       }
  55     }
  56     return false;
  57   }
  58
  59 };