Re: FLASH: dragable scroll bars

[Marc Hoffman, Poison Dart Frog Media]

At 04:10 PM 5/21/99 -0400, you wrote:

>has anyone tackled dragable scroll bars? are there tutorials anywhere, Flash

>Central maybe?

>

>Mike


Hi Mike:


I don't recall a tutorial on this, offhand.


This would involve a vertical array of small, rectangular, invisible

buttons (placed atop the scroll bar), set to Track as Menu Item, that on

dragover would each tell target a movie clip to go to an associated frame

where the text and visible scroll bar would be in the appropriate position.

You could place a mask over the text to have a fixed viewing area.

However, dragging the cursor up and down over the button array would demand

some very fast processing of the movieclip frames, and so I'm not sure you

could get a smooth effect.  Most scrolling text I've seen uses just up and

down buttons, and the movement of the text still is slow and a bit choppy

on a P166MMX. Using a simple font such as arial would be quite important

for this effect. Avoid using alpha as that places higher demand on the

processor, and stop all other animation on the page while the text movement

is taking place.



Marc Hoffman

marcdartfrogmedia [dot] com (mailto:marcdartfrogmedia [dot] com)

Flash3 Portfolio: <http://www.dartfrogmedia.com/sampler>, featured 

in Flash 3 Web Animation, by Ken Milburn.


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