- // Two squares jump
- moves.push(this.getBasicMove([x, y], [x + 2 * shiftX, y]));
+ if (this.board[x + 2 * shiftX][y] == V.EMPTY) {
+ // Two squares jump
+ moves.push(this.getBasicMove([x, y], [x + 2 * shiftX, y]));
+ if (
+ V.PawnSpecs.threeSquares &&
+ this.board[x + 3 * shiftX][y] == V.EMPTY
+ ) {
+ // Three squares jump
+ moves.push(this.getBasicMove([x, y], [x + 3 * shiftX, y]));
+ }
+ }