normal_noise_2d.h

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#pragma once
 
#include <cmath>
#include <sstream>
#include <iomanip>
 
#include "tools/math.h"
#include "element.h"
 
namespace dnf_composer::element
{
    struct NormalNoise2DParameters final : ElementSpecificParameters
    {
        double amplitude;
 
        explicit NormalNoise2DParameters(double amplitude = 0.2)
            : amplitude(amplitude)
        {}
 
        bool operator==(const NormalNoise2DParameters& other) const
        {
            constexpr double epsilon = 1e-6;
            return std::abs(amplitude - other.amplitude) < epsilon;
        }
 
        [[nodiscard]] std::string toString() const override
        {
            std::ostringstream result;
            result << std::fixed << std::setprecision(2);
            result << "Parameters: [Amplitude: " << amplitude << "]";
            return result.str();
        }
    };
 
    class NormalNoise2D final : public Element
    {
    private:
        NormalNoise2DParameters parameters;
    public:
        NormalNoise2D(const ElementCommonParameters& elementCommonParameters,
                      const NormalNoise2DParameters& parameters);
 
        void init() override;
        void step(double t, double deltaT) override;
        std::string toString() const override;
        std::shared_ptr<Element> clone() const override;
 
        void setParameters(const NormalNoise2DParameters& parameters);
        NormalNoise2DParameters getParameters() const;
    };
}