VoronoiMap.h

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// VoronoiMap.h
 
// Declares the cVoronoiMap class that implements a Voronoi algorithm over a noise to produce a map
 
 
 
 
 
#pragma once
 
#include "Noise/Noise.h"
 
 
 
 
 
class cVoronoiMap
{
public:
    cVoronoiMap(int a_Seed, int a_CellSize = 128, int a_JitterSize = 128);
 
    void SetCellSize(int a_CellSize);
 
    void SetJitterSize(int a_JitterSize);
 
    void SetOddRowOffset(int a_OddRowOffset);
 
    int GetValueAt(int a_X, int a_Y);
 
    int GetValueAt(int a_X, int a_Y, int & a_MinDistance);
 
    int GetValueAt(
        int a_X, int a_Y,                            // Coords to query
        int & a_NearestSeedX, int & a_NearestSeedY,  // Coords of the closest cell's seed
        int & a_MinDist2                             // Distance to the second closest cell's seed
    );
 
    void FindNearestSeeds(
        int a_X, int a_Y,
        int & a_NearestSeedX, int & a_NearestSeedY,
        int & a_SecondNearestSeedX, int & a_SecondNearestSeedY
    );
 
protected:
    cNoise m_Noise1;
    cNoise m_Noise2;
    cNoise m_Noise3;
 
    int m_CellSize;
 
    int m_JitterSize;
 
    int m_OddRowOffset;
 
    int m_CurrentCellX;
 
    int m_CurrentCellZ;
 
    int m_SeedX[5][5];
 
    int m_SeedZ[5][5];
 
 
    void UpdateCell(int a_CellX, int a_CellZ);
} ;