Matrix.h

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/* Copyright (c) 2014-2017, ARM Limited and Contributors
 *
 * SPDX-License-Identifier: MIT
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 * Permission is hereby granted, free of charge,
 * to any person obtaining a copy of this software and associated documentation files (the "Software"),
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 * 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:
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 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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#ifndef MATRIX_H
#define MATRIX_H

#include "VectorTypes.h"

namespace MaliSDK
{
    class Matrix
    {
    private: 
        float elements[16];

        static Matrix multiply(Matrix *left, Matrix *right);

        static const float identityArray[];
    public:       
        float* getAsArray(void);

        Matrix(void);
        
        float& operator[] (unsigned element);

        Matrix operator* (Matrix right);

        Matrix& operator=(const Matrix &another);

        Matrix(const float* array);
        
        static Matrix identityMatrix;

        static Vec4f vertexTransform(Vec4f *vector, Matrix *matrix);

        static Vec3f vertexTransform(Vec3f *vector, Matrix *matrix);

        static void matrixTranspose(Matrix *matrix);


        static Matrix createRotationX(float angle);

        static Matrix createRotationY(float angle);

        static Matrix createRotationZ(float angle);

        static Matrix createTranslation(float x, float y, float z);

        static Matrix createScaling(float x, float y, float z);

        void print(void);

        static Matrix matrixPerspective(float FOV, float ratio, float zNear, float zFar);

                static Matrix matrixCameraLookAt(Vec3f eye, Vec3f center, Vec3f up); 

        static Matrix matrixOrthographic(float left, float right, float bottom, float top, float zNear, float zFar);

        static Matrix matrixInvert(Matrix *matrix);

        static float matrixDeterminant(float *matrix);

        static float matrixDeterminant(Matrix *matrix);

        static Matrix matrixScale(Matrix *matrix, float scale);
    };
}
#endif  /* MATRIX_H */