RE: FLASH: BUG or solution

[Branden Hall]

(I may be wrong here, but what use would it be to have something scale

*below* zero percent? I can't think of any.)


For line drawing purposes...

these two examples:


www.figleaf.com/development/flash4/spacewarp.swf

and

www.figleaf.com/development/flash4/bezierLine.swf


use a line drawing library I wrote, this line can be drawn between any two

points using this, and it uses scaling so it never has to do any kind of

trig or even square roots.


-= Branden J. Hall

-= Multimedia Developer/Instructor

-= Fig Leaf Software - "We've got you covered!"


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

From:

ownerchinwag [dot] com

 [

ownerchinwag [dot] com]On">mailto:ownerchinwag [dot] com]On

 Behalf Of Matt

Wobensmith

Sent: Tuesday, May 23, 2000 1:41 PM

To:

flasherchinwag [dot] com

Subject: Re: FLASH: BUG or solution



Hi Jason -


You wrote:


>I am setting the x-scale of a movie clip to a negative number, and this

>starts messing up the movie clip.


Your sample was very informative - thanks for that - and I've seen this

before myself.


What I think is happening is that the value that you're using to scale the

movie clip is a negative. As an increment, a negative number times the

negative number equals a positive number. That's why we see the flip. The

next iteration/execution of the action then becomes negative again.


I agree that it is weird, and there are higher-level explanations for why

Flash does this, I am sure. I can try to give a few ways to work around it.


1. The best way to approach this in Flash is to not use a negative number

for the xscale value. Make sure your values don't go below zero.


(I may be wrong here, but what use would it be to have something scale

*below* zero percent? I can't think of any.)


2. Another way to work around this would be to use Set Property "_rotation"

to flip the movie clip 180 degrees, then apply the xscale with a positive

number.


Let me know if this helps, or if you need more.


Matt




---------------

Matt Wobensmith

Macromedia Tech Support

Flash Team Lead



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