Multiply <code>this</code> by the matrix <pre> 0 0 -1 0 0 1 0 0 -1 0 0 0 </pre>
@return this
See Implementation
Multiply <code>this</code> by the matrix <pre> 0 0 -1 0 0 1 0 0 -1 0 0 0 </pre>
@return this