+ isAttackedByKing([x, y], color) {
+ const steps = V.steps[V.ROOK].concat(V.steps[V.BISHOP]);
+ for (let step of steps) {
+ let rx = x + step[0],
+ ry = y + step[1];
+ if (
+ V.OnBoard(rx, ry) &&
+ this.getPiece(rx, ry) === V.KING &&
+ this.getColor(rx, ry) == color &&
+ !this.isImmobilized([rx, ry])
+ ) {
+ return true;
+ }
+ }
+ return false;
+ }
+