diff options
Diffstat (limited to 'src/VoronoiMap.h')
| -rw-r--r-- | src/VoronoiMap.h | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/src/VoronoiMap.h b/src/VoronoiMap.h index 84cf206e9..49f6c1da1 100644 --- a/src/VoronoiMap.h +++ b/src/VoronoiMap.h @@ -18,18 +18,28 @@ class cVoronoiMap { public: - cVoronoiMap(int a_Seed, int a_CellSize = 128); + cVoronoiMap(int a_Seed, int a_CellSize = 128, int a_JitterSize = 128); - /// Sets the cell size used for generating the Voronoi seeds + /** Sets both the cell size and jitter size used for generating the Voronoi seeds. */ void SetCellSize(int a_CellSize); + + /** Sets the jitter size. Clamps it to current cell size. */ + void SetJitterSize(int a_JitterSize); + + /** Sets the offset that is added to each odd row of cells. + This offset makes the voronoi cells align to a non-grid. + Clamps the value to [-m_CellSize, +m_CellSize]. */ + void SetOddRowOffset(int a_OddRowOffset); - /// Returns the value in the cell into which the specified point lies + /** Returns the value in the cell into which the specified point lies. */ int GetValueAt(int a_X, int a_Y); - /// Returns the value in the cell into which the specified point lies, and the distance to the nearest Voronoi seed + /** Returns the value in the cell into which the specified point lies, + and the distance to the nearest Voronoi seed. */ int GetValueAt(int a_X, int a_Y, int & a_MinDistance); - /// Returns the value in the cell into which the specified point lies, and the distances to the 2 nearest Voronoi seeds. Uses a cache + /** Returns the value in the cell into which the specified point lies, + and the distances to the 2 nearest Voronoi seeds. Uses a cache. */ int GetValueAt(int a_X, int a_Y, int & a_MinDistance1, int & a_MinDistance2); protected: @@ -38,8 +48,17 @@ protected: cNoise m_Noise2; cNoise m_Noise3; - /// Size of the Voronoi cells (avg X/Y distance between the seeds) + /** Size of the Voronoi cells (avg X/Y distance between the seeds). Expected to be at least 2. */ int m_CellSize; + + /** The amount that the cell seeds may be offset from the grid. + Expected to be at least 1 and less than m_CellSize. */ + int m_JitterSize; + + /** The constant amount that the cell seeds of every odd row will be offset from the grid. + This allows us to have non-rectangular grids. + Expected to be between -m_CellSize and +m_CellSize. */ + int m_OddRowOffset; /** The X coordinate of the currently cached cell neighborhood */ int m_CurrentCellX; |