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#pragma once
#include <functional>
#include "../Math/Vector.hpp"
#include "../Math/Grid.hpp"
namespace MC::Util {
template<size_t D, typename T>
class Sampler {
using Pos = Vector<D>;
using Sample = std::function<T(Pos)>;
using Interpolate = std::function<T(Pos, Sample)>;
public:
Sampler(
Sample sample,
Pos offset = {},
float scale = 1.0f,
Interpolate interpolate = nearest_interpolation
) : m_sample([=](Sampler::Pos pos) -> T {
return interpolate(pos, [=](Sampler::Pos p) -> T { return sample(p * scale + offset); });
}) {}
T sample(Pos at) {
return m_sample(at);
}
static T nearest_interpolation(Pos pos, Sample sample) {
return sample(pos);
}
private:
Sample m_sample;
};
}
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