});
}
- isAttackedByPawn([x, y], colors) {
- const pawnShift = 1;
- if (x + pawnShift < V.size.x) {
- for (let c of colors) {
+ isAttackedByPawn([x, y], color) {
+ // Pawns can capture forward and backward:
+ for (let pawnShift of [-1, 1]) {
+ if (0 < x + pawnShift && x + pawnShift < V.size.x) {
for (let i of [-1, 1]) {
if (
y + i >= 0 &&
y + i < V.size.y &&
this.getPiece(x + pawnShift, y + i) == V.PAWN &&
- this.getColor(x + pawnShift, y + i) == c
+ this.getColor(x + pawnShift, y + i) == color
) {
return true;
}
return false;
}
- isAttackedByKnight(sq, colors) {
+ isAttackedByKnight(sq, color) {
return this.isAttackedBySlideNJump(
sq,
- colors,
+ color,
V.KNIGHT,
V.steps[V.KNIGHT]
);