NoiseField.h

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#pragma once
 
#include <cstdint>
 
namespace eve::procgen {
 
struct NoiseField {
    uint32_t seed     = 1;
    int      periodX  = 0;  // 0 = non-tiling
    int      periodY  = 0;
 
    float hash01(int ix, int iy) const;
    float valueNoise(float x, float y) const;
    float perlinNoise(float x, float y) const;
    float fbm(float x, float y, int octaves = 4, float lacunarity = 2.f, float gain = 0.5f) const;
    float fbmPerlin(float x, float y, int octaves = 4, float lacunarity = 2.f, float gain = 0.5f) const;
    float ridged(float x, float y, int octaves = 4, float lacunarity = 2.f, float gain = 0.5f) const;
    float ridgedPerlin(float x, float y, int octaves = 4, float lacunarity = 2.f,
                       float gain = 0.5f) const;
    float warp(float x, float y, float amp, int octaves = 3) const;
};
 
}  // namespace eve::procgen