SuperEllipsoidModel.h

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/* Copyright (c) 2014-2017, ARM Limited and Contributors
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge,
 * to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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 */

#ifndef SUPER_ELLIPSOID_MODEL_H
#define SUPER_ELLIPSOID_MODEL_H

#include "VectorTypes.h"

namespace MaliSDK
{
    class SuperEllipsoidModel
    {
    private:
        static const int numberOfPointCoordinates  = 4;

        inline static Vec3f calculateNormal(float xyAngle,
                                            float xzAngle,
                                            float n1,
                                            float n2,
                                            float scale);

        inline static Vec3f sample(float xyAngle,
                                   float xzAngle,
                                   float n1,
                                   float n2,
                                   float scale);

        inline static void storeVertexAndNormalVectorInArray(const Vec3f& vertex,
                                                             const Vec3f& normalVector,
                                                             int&         vertexIndex,
                                                             int&         normalVectorIndex,
                                                             float*       roundedCubeCoordinates,
                                                             float*       roundedCubeNormalVectors);

    public:
        static void create(int     samples,
                           float   n1,
                           float   n2,
                           float   scale,
                           float** roundedCubeCoordinates,
                           float** roundedCubeNormalVectors,
                           int*    numberOfVertices,
                           int*    numberOfCoordinates,
                           int*    numberOfNormals);
    };
}
#endif /* SUPER_ELLIPSOID_MODEL_H */