func (uintComponent) Mat3(b []byte) [3][3]uint32 {
    return [3][3]uint32{
        {getUint32(b), getUint32(b[12:]), getUint32(b[24:])},
        {getUint32(b[4:]), getUint32(b[16:]), getUint32(b[28:])},
        {getUint32(b[8:]), getUint32(b[20:]), getUint32(b[32:])},