sub_grid.cpp

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#include <nav_grid_iterators/sub_grid.h>

namespace nav_grid_iterators
{
SubGrid SubGrid::begin() const
{
  return SubGrid(info_, min_x_, min_y_, width_, height_);
}

SubGrid SubGrid::end() const
{
  return SubGrid(info_, nav_grid::Index(min_x_, min_y_ + height_), min_x_, min_y_, width_, height_);
}

void SubGrid::increment()
{
  ++index_.x;
  if (index_.x >= min_x_ + width_)
  {
    index_.x = min_x_;
    ++index_.y;
  }
}

bool SubGrid::fieldsEqual(const SubGrid& other)
{
  return min_x_ == other.min_x_ && min_y_ == other.min_y_ && width_ == other.width_ && height_ == other.height_;
}

}  // namespace nav_grid_iterators