Re: FLASH: Drawing Circle with Math?

[John Dowdell]

At 7:07 PM 10/14/0, Jefferis Peterson wrote:

> there is no "draw" function.


That's true. Programmatic vector drawing is one of the abilities in the

larger Shockwave Player, which takes greater advantage of desktop

computers, but it's not in the smaller and more portable Macromedia Flash

Player... didn't make the footprint cut, sorry.


That said, one thing you can often do is to create a library of primitive

shapes and invoke them and set their properties as needed... scripting such

a self-modifying piece is more abstract than regular scripting, but it's

certainly available. One method is to have a paused clip with a different

graphic on each frame... another is the new "attachMovie"... yet another is

keeping a bunch of single-frame clips up above the menubar and calling them

down when needed.


Another approach some have used for programmatic drawing is to have a

series of small dots or strokes as individual movie clips, and then place

each one precisely to give the appearance of a dotted line or dashed

stroke.


(Yes, computer monitors generally do have the (0,0) point at the upper

left, with positive coordinates moving to the lower right... this is why if

you move from a large monitor to a small monitor then you may not see

things that were down at the bottom-right, even though you're guaranteed to

see the same display in the upper-left.)



jd







John Dowdell, Macromedia Tech Support, San Francisco CA US

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