posSort method

int posSort(
  1. ChessPos key1,
  2. ChessPos key2
)

Sort pos

Implementation

int posSort(ChessPos key1, ChessPos key2) {
  if (key1.x > key2.x) {
    return -1;
  } else if (key1.x < key2.x) {
    return 1;
  }
  if (key1.y > key2.y) {
    return -1;
  } else if (key1.y < key2.y) {
    return 1;
  }
  return 0;
}