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// ************************************************************************** //
//
// BornAgain: simulate and fit scattering at grazing incidence
//
//! @file GUI/ba3d/model/geometry/box.cpp
//! @brief Implements utility functions in ba3d namespace
//!
//! @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 "Base/Utils/Assert.h"
#include "GUI/ba3d/model/geometry.h"
namespace RealSpace
{
Geometry::Mesh Geometry::meshBox()
{
float const D = .5f;
Vertices vs_;
vs_.reserve(8);
for (float x : {-D, +D})
for (float y : {-D, +D})
for (float z : {-D, +D})
vs_.append(Vector3D(x, y, z));
ASSERT(8 == vs_.count());
Vertices vs;
vs.reserve(36);
vs.addQuad(vs_, 0, 2, 6, 4);
vs.addQuad(vs_, 1, 5, 7, 3);
vs.addQuad(vs_, 0, 1, 3, 2);
vs.addQuad(vs_, 4, 6, 7, 5);
vs.addQuad(vs_, 0, 4, 5, 1);
vs.addQuad(vs_, 2, 3, 7, 6);
ASSERT(36 == vs.count());
return makeMesh(vs);
}
} // namespace RealSpace
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