Реферат: Трехмерная графика Теория

double denom = v.x * M.x [0][3] + v.y * M.x [1][3] +

v.z * M.x [2][3] + M.x[3][3];

if ( denom != 1.0 )

res /= denom;

return res;

}

Matrix Translate ( const Vector& Loc )

{

Matrix res ( 1 );

res.x [3][0] = Loc.x;

res.x [3][1] = Loc.y;

res.x [3][2] = Loc.z;

return res;

};

Matrix Scale ( const Vector& v )

{

Matrix res ( 1 );

res.x [0][0] = v.x;

res.x [1][1] = v.y;

res.x [2][2] = v.z;

return res;

};

Matrix RotateX ( double Angle )

{

Matrix res ( 1 );

double Cosine = cos ( Angle );

double Sine = sin ( Angle );

res.x [1][1] = Cosine;

res.x [2][1] = - Sine;