mirrorHorizontalDownUp method

bool mirrorHorizontalDownUp()

It takes the bottom half of the cross and mirrors it to the top half

Returns: A boolean value.

Implementation

bool mirrorHorizontalDownUp() {
  for (final int i in 3.rangeTo(5)) {
    for (final int j in 0.rangeTo(5)) {
      if (_shape.grid[i][j] != 0 && _shape.grid[5 - i][j] == 0) {
        _shape.grid[5 - i][j] = _shape.grid[i][j];
      }
    }
  }

  return true;
}