What graphic rotations are available?

[Graham Samuel]

The TD says that you can set the angle of a regular polygon in order 
to rotate it

>Regular polygons are geometric shapes whose sides are all the same 
>length, such as squares, equilateral triangles, hexagons, and so on. 
>(You set the number of sides with the polySides property.)

If your regular poly is a graphic rather than a paint (bitmap) 
object, you can distort it until the sides are definitely NOT the 
same length and it still rotates. Can anyone explain what is magic 
about a regular polygon and if there is a way of rotating other 
'draw' (vector graphics) objects at all efficiently? Can't find 
anything in the docs.

TIA

Graham
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          Graham Samuel / The Living Fossil Co. / UK & France