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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Sample/Shape/RippleCosineNet.cpp
//! @brief Implements class RippleCosineNet.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "Sample/Shape/RippleCosineNet.h"
#include <cmath>
#include <numbers>
using std::numbers::pi;
RippleCosineNet::RippleCosineNet(double length, double width, double height)
{
size_t n_y = IShape3D::N_Circle + 1;
double y_step = width / (IShape3D::N_Circle);
m_vertices.resize(2 * n_y);
for (size_t i = 0; i < n_y; ++i) {
double y = i * y_step - width / 2.0;
double z = height * (1.0 + std::cos((2 * pi) * y / width)) / 2.0;
m_vertices[i] = R3(length / 2.0, y, z);
m_vertices[n_y + i] = R3(-length / 2.0, y, z);
}
}
RippleCosineNet::~RippleCosineNet() = default;
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