Re: FLASH: Pan/Mask effect

[Cheri Harder]

Marc, yes!  I do understand it and you are well on your way!  I have my

sample at www.awsolution.com on the "scientific experiments" section if you

want to see that to make sure I DO know what you're talking about.  Oh, and

somewhere around here I got a tutorial from someone....let's see if I can

find that.  (the tutorial was found AFTER I created mine, so some things are

a little different...)


~~~~Cheri Harder~~~~~

charderawsolution [dot] com

Advantage Web Solution

www.awsolution.com

----- Original Message -----

From: "Marc Hoffman, Poison Dart Frog Media" <

maildartfrogmedia [dot] com

>

To: <

flasherchinwag [dot] com

>

Sent: Thursday, April 13, 2000 4:45 PM

Subject: FLASH: Pan/Mask effect



> I'm trying to code this in Actionscript but probably need a working

example

> to learn it. This is based on another Flasher's question earlier today,

but

> is an attempt at a solution that's in a different direction.

>

> Effect: drag a window around the stage, have a background image show

> through only where the window is.

> Problem: a dragged movie clip cannot act as a mask for a lower layer

> (otherwise this would be a piece of cake!).

> Possible solution (but one which I don't know exactly how to code):

> - Put the background image in a lower layer of a movie clip. Make it a

> movie clip itself, so it has an instance name and can be moved around

using

> SetProperty of _x and _y;

> - Above that background (also in the movie clip) put a mask that lets the

> background show through.

> - Make this whole structure (movie clip) draggable by putting an invisible

> button over the mask area;

> - Make the main timeline a 2-frame loop. Use ActionScript in the first

> frame of the main timeline to constantly monitor the (dragged) position of

> the movie clip and to move the nested movie clip (the background image) in

> the reverse direction of the drag, so that as you drag the parent clip to

> the left, let's say, the nested background movie clip shifts to the right

> and, therefore, the masked part is the left part of the background.

>

> If anyone understands this (does it sound like I'm from Mars?) and

> understands the code, could you help out?

>

> thanks,

>

>

>

> Marc Hoffman

>




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