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 > _______________________________________________ > Flashcoders mailing list > Flashcoders@chattyfig.figleaf.com > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > _______________________________________________ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
