2010-10-30 ハニカム状を扱う // Example: dy[i%2][d] ( i is 0-indexed ) const int dx[2][6] = {{ 1,-1, 0, 0,-1,-1},{ 1,-1, 0, 0, 1, 1}}; const int dy[2][6] = {{ 0, 0, 1,-1,-1, 1},{ 0, 0, 1,-1,-1, 1}};