variants/_Flip/class.js

   1 import ChessRules from "/base_rules.js";
   2
   3 export default class AbstractFlipRules extends ChessRules {
   4
   5   // For games without captures (replaced by flips)
   6   get hasEnpassant() {
   7     return false;
   8   }
   9   canTake() {
  10     return false;
  11   }
  12   filterValid(moves) {
  13     return moves;
  14   }
  15   underCheck() {
  16     return false;
  17   }
  18
  19   playOnBoard(move) {
  20     super.playOnBoard(move);
  21     this.flipColorOf(move.flips);
  22   }
  23   undoOnBoard(move) {
  24     super.undoOnBoard(move);
  25     this.flipColorOf(move.flips);
  26   }
  27
  28   flipColorOf(flips) {
  29     for (let xy of flips) {
  30       const newColor = C.GetOppCol(this.getColor(xy.x, xy.y));
  31       this.board[xy.x][xy.y] = newColor + this.board[xy.x][xy.y][1];
  32     }
  33   }
  34
  35   playVisual(move, r) {
  36     super.playVisual(move, r);
  37     move.flips.forEach(f => {
  38       this.g_pieces[f.x][f.y].classList.toggle("white");
  39       this.g_pieces[f.x][f.y].classList.toggle("black");
  40     });
  41   }
  42
  43 };