// Complete a move with magnetic actions
// TODO: job is done multiple times for (normal) promotions.
applyMagneticLaws(move) {
- if (move.appear[0].p == V.KING && move.appear.length == 1) return [move]; //kings are not charged
- const aIdx = move.appear[0].p != V.KING ? 0 : 1; //if castling, rook is charged
+ // Exception: kings are not charged
+ if (move.appear[0].p == V.KING && move.appear.length == 1) return [move];
+ // If castling, rook is charged:
+ const aIdx = move.appear[0].p != V.KING ? 0 : 1;
const [x, y] = [move.appear[aIdx].x, move.appear[aIdx].y];
const color = this.turn;
const lastRank = color == "w" ? 0 : 7;