268. Motion Tweening, Masking and Colour Backgrounds

Flash has very good methods for tweening and masking [Click here to see how]. An enhancement is to create masking objects with rotate and change their size and then to add a background colour, such as for blue:

It is then easy to make the background black:

and green:

and red:

and yellow:

and, of course, we can scale it down with:

 

The mask was created as follows:

The original graphic is:

which comes from a graphic I drew: