CD_RandomInterface.H

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/*
 * SPDX-FileCopyrightText: 2021-2026 SINTEF Energy Research
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
 
#ifndef CD_RANDOMINTERFACE_H
#define CD_RANDOMINTERFACE_H
 
#include <CD_EBGeometryIF.H>
#include <CD_ComputationalGeometry.H>
#include <CD_NamespaceHeader.H>
 
class RandomInterface : public ComputationalGeometry
{
public:
  RandomInterface() noexcept;
 
  virtual ~RandomInterface() noexcept;
 
protected:
  using Vec3 = EBGeometry::Vec3T<Real>;
 
  class ClampedNoisePlane : public EBGeometry::SignedDistanceFunction<Real>
  {
  public:
    ClampedNoisePlane() = delete;
 
    ClampedNoisePlane(const Vec3& a_point,
                      const Vec3& a_normal,
                      const Vec3& a_clampLo,
                      const Vec3& a_clampHi,
                      const Vec3& a_clampDx,
                      const Vec3& a_noiseFrequency,
                      const Real  a_noiseAmplitude,
                      const Real  a_noisePersistence,
                      const int   a_noiseOctaves) noexcept;
 
    ~ClampedNoisePlane() = default;
 
    template <class URNG>
    void
    shuffle(URNG& a_rng) noexcept;
 
    virtual Real
    signedDistance(const Vec3& a_point) const noexcept override;
 
  protected:
    Vec3 m_point;
 
    Vec3 m_normal;
 
    Vec3 m_clampLo;
 
    Vec3 m_clampHi;
 
    Vec3 m_clampDx;
 
    std::shared_ptr<EBGeometry::PlaneSDF<Real>> m_plane;
 
    std::shared_ptr<EBGeometry::PerlinSDF<Real>> m_perlin;
  };
};
 
#include <CD_NamespaceFooter.H>
 
#endif