func (uintComponent) Mat4(b []byte) [4][4]uint32 {
    return [4][4]uint32{
        {getUint32(b), getUint32(b[16:]), getUint32(b[32:]), getUint32(b[48:])},
        {getUint32(b[4:]), getUint32(b[20:]), getUint32(b[36:]), getUint32(b[52:])},
        {getUint32(b[8:]), getUint32(b[24:]), getUint32(b[40:]), getUint32(b[56:])},