// NOTE: not removing "dist" field; shouldn't matter much...
}
- getSlideNJumpMoves([x, y], steps, oneStep) {
- const piece = this.getPiece(x, y);
- let moves = [];
- outerLoop: for (let step of steps) {
- let i = x + step[0];
- let j = y + step[1];
- while (V.OnBoard(i, j) && this.board[i][j] == V.EMPTY) {
- moves.push(this.getBasicMove([x, y], [i, j]));
- if (oneStep !== undefined) continue outerLoop;
- i += step[0];
- j += step[1];
- }
- // Only king can take on occupied square:
- if (piece == V.KING && V.OnBoard(i, j) && this.canTake([x, y], [i, j]))
- moves.push(this.getBasicMove([x, y], [i, j]));
- }
- return moves;
+ canTake([x1, y1], [x2, y2]) {
+ return (
+ this.getPiece(x1, y1) == V.KING &&
+ this.getColor(x1, y1) != this.getColor(x2, y2)
+ );
}
// "Cannon/grasshopper pawn"
return false;
}
- static GenRandInitFen(randomness) {
- if (randomness == 0) {
+ static GenRandInitFen(options) {
+ if (options.randomness == 0) {
return (
"91/1rqnbknqm1/1pppppppp1/91/91/91/91/1PPPPPPPP1/1MQNBKNQR1/91 w 0 -"
);
let pieces = { w: new Array(8), b: new Array(8) };
// Shuffle pieces on first and last rank
for (let c of ["w", "b"]) {
- if (c == 'b' && randomness == 1) {
+ if (c == 'b' && options.randomness == 1) {
pieces['b'] = pieces['w'];
break;
}