ssplayer_matrix.h

#ifndef __SSPLAYER_MATRIX__
#define __SSPLAYER_MATRIX__


#include <memory>

void    IdentityMatrix( float* matrix );
void    ScaleMatrix( float* _matrix , const float x , const float y , const float z);
void    TranslationMatrix( float* _matrix , const float x , const float y , const float z );
void    MultiplyMatrix(const float *m0, const float *m1, float *matrix);
void    Matrix4RotationX( float* _matrix ,const float radians );
void    Matrix4RotationY( float* _matrix ,const float radians );
void    Matrix4RotationZ( float* _matrix ,const float radians );

inline  void    TranslationMatrixM(  float* _matrix , const float x , const float y , const float z )
{
    float   _m[16];
    IdentityMatrix( _m );
    TranslationMatrix( _m , x , y , z );

    MultiplyMatrix( _m , _matrix , _matrix );
}

inline  void    ScaleMatrixM(  float* _matrix , const float x , const float y , const float z )
{

    float   _m[16];
    IdentityMatrix( _m );
    ScaleMatrix( _m , x , y , z );
    MultiplyMatrix( _m , _matrix , _matrix );
}

inline  void    RotationXYZMatrixM(  float* _matrix , const float x , const float y , const float z )
{

    if ( x != 0.0f )
    {
        float   _m[16];
        IdentityMatrix( _m );
        Matrix4RotationX( _m , x );

        MultiplyMatrix( _m , _matrix , _matrix );
    }

    if ( y != 0.0f )
    {
        float   _m[16];
        IdentityMatrix( _m );
        Matrix4RotationY( _m , x );

        MultiplyMatrix( _m , _matrix , _matrix );
    }

    if ( z != 0.0f )
    {
        float   _m[16];
        IdentityMatrix( _m );
        Matrix4RotationZ( _m , z );

        MultiplyMatrix( _m , _matrix , _matrix );
    }
}



#endif