square mirror is Produced from wall function
YouTube web: http://www.youtube.com/watch?v=hpCSsRzLa1M&feature=plcp
Figure: Wall-mirror-0~ Wall-mirror-5
Mirrors of different shape mirror is Produced from floor function
YouTube web:http://www.youtube.com/watch?v=_MDJcIT_yDg&feature=plcp
Figure: Floor-mirror-1~ Floor-mirror-4