OctreeTilingScheme.h

#pragma once
 
#include "CesiumGeometry/AxisAlignedBox.h"
#include "CesiumGeometry/Library.h"
#include "CesiumGeometry/OctreeTileID.h"
 
#include <glm/vec3.hpp>
 
#include <optional>
 
namespace CesiumGeometry {
 
class CESIUMGEOMETRY_API OctreeTilingScheme {
public:
  OctreeTilingScheme(
      const AxisAlignedBox& box,
      uint32_t rootTilesX,
      uint32_t rootTilesY,
      uint32_t rootTilesZ) noexcept;
 
  const AxisAlignedBox& getBox() const noexcept { return this->_box; }
 
  uint32_t getRootTilesX() const noexcept { return this->_rootTilesX; }
 
  uint32_t getRootTilesY() const noexcept { return this->_rootTilesY; }
 
  uint32_t getRootTilesZ() const noexcept { return this->_rootTilesZ; }
 
  uint32_t getNumberOfXTilesAtLevel(uint32_t level) const noexcept;
 
  uint32_t getNumberOfYTilesAtLevel(uint32_t level) const noexcept;
 
  uint32_t getNumberOfZTilesAtLevel(uint32_t level) const noexcept;
 
  std::optional<CesiumGeometry::OctreeTileID>
  positionToTile(const glm::dvec3& position, uint32_t level) const noexcept;
 
  AxisAlignedBox
  tileToBox(const CesiumGeometry::OctreeTileID& tileID) const noexcept;
 
private:
  AxisAlignedBox _box;
  uint32_t _rootTilesX;
  uint32_t _rootTilesY;
  uint32_t _rootTilesZ;
};
 
} // namespace CesiumGeometry