Method _traverse_r

Checker_game_by_dz/modules/checker_board.py:145–182

(self, start, stop, step, color, right, skip=[])

    # Traversal Right
    def _traverse_r(self, start, stop, step, color, right, skip=[]):
        moves = {}
        last = []
        for r in range(start, stop, step):
            if right >= cols:
                break
            current = self.board[r][right]
            if current == 0:
                if skip and not last:
                    break
                elif skip:
                    moves[(r, right)] = last + skip
                else:
                    moves[(r, right)] = last

                if last:
                    if step == -1:
                        row = max(r - 3, 0)
                    else:
                        row = min(r + 3, rows)
                    moves.update(
                        self._traverse_l(
                            r + step, row, step, color, right - 1, skip=last
                        )
                    )
                    moves.update(
                        self._traverse_r(
                            r + step, row, step, color, right + 1, skip=last
                        )
                    )
                break

            elif current.color == color:
                break
            else:
                last = [current]
            right += 1
        return moves