CaveFieldSampling.h

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#pragma once
#include "common/Export.h"
 
 
#include <vector>
 
namespace eve::procgen {
 
struct CaveFieldPoint {
    float x = 0.f;
    float y = 0.f;
    float z = 0.f;
};
 
struct CaveResampledField {
    std::vector<float> density;
    int                nx = 0;
    int                ny = 0;
    int                nz = 0;
};
 
EVENGINE_API_DOMAINS float          sampleCaveDensity(const std::vector<float>& density, int nx, int ny, int nz,
                                                      CaveFieldPoint point);
EVENGINE_API_DOMAINS CaveFieldPoint sampleCaveDensityGradient(const std::vector<float>& density, int nx, int ny, int nz,
                                                              CaveFieldPoint point);
CaveFieldPoint projectToCaveDensitySurface(CaveFieldPoint meshPoint, const std::vector<float>& density, int nx, int ny,
                                           int nz);
EVENGINE_API_DOMAINS CaveResampledField resampleCaveDensity(const std::vector<float>& density, int nx, int ny, int nz,
                                                            int factor);
 
}  // namespace eve::procgen