Hi Eric,
You could try making a shell MC that is duplicated so you have two
MCs with the same content right on top of each other.
Then mask one so it shows on the top half and the other to show on
the bottom.
With the one on the bottom being a lesser z access, and covered by
the top (non-distorted view)
you then distort just the mc on the bottom.
You could even copy the bottom MC into a bitmap image. (hiding the
real bottom mc)
Then you can put your transformations on that copy and just recreate
the bitmap of the bottom mc as you need for updating.
Then you only have to update one MCs content and both will populate.
Giving you the effect you desire with a little control.
Well, something along those lines anyway.
HTH,
Karl
On Jun 20, 2011, at 4:01 AM, allandt bik-elliott (thefieldcomic.com)
wrote:
sounds like you need to use 2 bitmaps drawn with copypixels and a
clipping
rectangle to capture the correct half and scale the bottom half with
something like the flash and math BitmapTransformer
http://www.flashandmath.com/intermediate/gummy/
hope this helps
a
On 16 June 2011 20:48, Eric E. Dolecki <edole...@gmail.com> wrote:
Greetings all,
I made a quick post about something I'd like to solve and someone
out there
might be able to help me.
http://imagineric.ericd.net/2011/06/16/question-bitmap-distorting-
the-bottom-half-of-the-stage/
Here is a near copy and paste of the post describing the crux of
what I am
after...
What I would like to do is to have a Stage with a DisplayObject or
perhaps
several DisplayObjects – which can animate around.
When these objects pass a boundary (1/2 of the Stage height), I
would like
to distort all those images by applying a Bitmap transformation…
but only
to
the portion that crosses that boundary.
The bottom half of the Stage would need to update itself
constantly to
properly display the effect in real time. I’ve done some Bitmap
things in
the past, but I am not quite sure what the correct approach for
this might
be.
I’ve seen plenty of stuff where you can drag the corners of a
photograph
around (
http://edvardtoth.com/flash/flashfun/basic-bitmap-distortion-using-
triangles-and-uvs-source/
),
but I’ve not seen where this could be applied to something like
what I am
after. Without digging too deeply I think I just need to update the
BitmapData for the bottom Bitmap every frame – *but curious about the
offset
stuff…*
I am looking for sage advice or even some code to get this
rolling. If it
takes a while it might be interesting to see how you landed where
you did
and how I approached the problem.
Thanks for any and all consideration.
- Eric
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Karl DeSaulniers
Design Drumm
http://designdrumm.com
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