Matrix3x3.hpp

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/*
Copyright (C) 2015-2019,2025,2026 Rodrigo Jose Hernandez Cordoba
 
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
 
http://www.apache.org/licenses/LICENSE-2.0
 
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef AEONGAMES_MATRIX3X3_H
#define AEONGAMES_MATRIX3X3_H
 
#include "aeongames/Platform.hpp"
#include <initializer_list>
 
namespace AeonGames
{
    class Vector3;
    class Transform;
    class Matrix3x3
    {
    public:
        DLL Matrix3x3();
        DLL Matrix3x3 ( const Transform& aTransform );
        DLL Matrix3x3 ( const float* const aMatrix );
        DLL Matrix3x3 ( const std::initializer_list<const float> aList );
        DLL const float* const GetMatrix3x3() const;
        DLL const Matrix3x3 GetInvertedMatrix3x3();
        DLL Matrix3x3& Invert();
        DLL Matrix3x3& Rotate ( float angle, float x, float y, float z );

        DLL Matrix3x3& operator*= ( const Matrix3x3& lhs );
        DLL const float operator[] ( size_t aIndex ) const;

        DLL static const Matrix3x3 GetRotationMatrix ( float angle, float x, float y, float z );
    protected:
        float mMatrix[9];
    };

    DLL const Matrix3x3 operator* ( const Matrix3x3& lhs, const Matrix3x3& rhs );
    DLL const Vector3 operator* ( const Matrix3x3& lhs, const Vector3& rhs );
    DLL const bool operator== ( const Matrix3x3& lhs, const Matrix3x3& rhs );
    DLL const Matrix3x3 Abs ( const Matrix3x3& aMatrix3x3 );
    static_assert ( sizeof ( Matrix3x3 ) == ( sizeof ( float ) * 9 ), "Matrix3x3 is not 9 floats wide." );
}
#endif