public void addFreeSquares(ArrayList<Point> points) { // add all squares
for (int i = 0; i < GRID_WIDTH; i++) {
for (int j = 0; j < GRID_HEIGHT; j++) {
points.add(new Point(i, j));
}
}
// remove all pieces
for (Piece piece : game.getPieces()) {
if (!piece.isOut()) {
points.remove(piece.getLocation());
}
}
}
