| 35 | } |
| 36 | |
| 37 | std::optional<OctreeTileID> OctreeTilingScheme::positionToTile( |
| 38 | const glm::dvec3& position, |
| 39 | uint32_t level) const noexcept { |
| 40 | |
| 41 | if (!this->_box.contains(position)) { |
| 42 | return std::nullopt; |
| 43 | } |
| 44 | |
| 45 | uint32_t xTiles = this->getNumberOfXTilesAtLevel(level); |
| 46 | uint32_t yTiles = this->getNumberOfYTilesAtLevel(level); |
| 47 | uint32_t zTiles = this->getNumberOfZTilesAtLevel(level); |
| 48 | |
| 49 | double xTileSize = this->_box.lengthX / xTiles; |
| 50 | double yTileSize = this->_box.lengthY / yTiles; |
| 51 | double zTileSize = this->_box.lengthZ / zTiles; |
| 52 | |
| 53 | uint32_t xTileCoordinate = |
| 54 | static_cast<uint32_t>((position.x - this->_box.minimumX) / xTileSize); |
| 55 | if (xTileCoordinate >= xTiles) { |
| 56 | xTileCoordinate = xTiles - 1; |
| 57 | } |
| 58 | uint32_t yTileCoordinate = |
| 59 | static_cast<uint32_t>((position.y - this->_box.minimumY) / yTileSize); |
| 60 | if (yTileCoordinate >= yTiles) { |
| 61 | yTileCoordinate = yTiles - 1; |
| 62 | } |
| 63 | uint32_t zTileCoordinate = |
| 64 | static_cast<uint32_t>((position.z - this->_box.minimumZ) / zTileSize); |
| 65 | if (zTileCoordinate >= zTiles) { |
| 66 | zTileCoordinate = zTiles - 1; |
| 67 | } |
| 68 | |
| 69 | return OctreeTileID(level, xTileCoordinate, yTileCoordinate, zTileCoordinate); |
| 70 | } |
| 71 | |
| 72 | AxisAlignedBox |
| 73 | OctreeTilingScheme::tileToBox(const OctreeTileID& tileID) const noexcept { |
no test coverage detected