Method asMatrix33

shared/java/Matrix44.java:49–53

When converting from Matrix44 to Matrix33, the third row and column is dropped. [ a b _ c ] [ a b c ] [ d e _ f ] -> [ d e f ] [ _ _ _ _ ] [ g h i ] [ g h _ i ]

()

     * </code></pre>
     */
    public Matrix33 asMatrix33() {
        return new Matrix33(_mat[0],  _mat[1],  _mat[3],
                            _mat[4],  _mat[5],  _mat[7],
                            _mat[12], _mat[13], _mat[15]);
    }
}