Has anyone solved the problem with +/-8191 coordinates problem?



--- In [email protected], "Troy Gilbert" <[EMAIL PROTECTED]> 
wrote:
>
> Oh, and another issue you may run into... coordinates inside a 
container
> can't be outside of the range +/- 8191 or the object vanishes. So, 
that too
> could be an issue when you get into larger maps depending on how 
you're
> scrolling them around.
> 
> I've run into both of these issues in my current work where I'm 
developing a
> pretty open-ended game system which has required me to take on a 
lot of
> issues that I had hoped Flash's native renderer would juggle for 
me, like
> smart bitmap caching and coordinate virtualization (moving beyond 
the +/-
> 8191 limit). I'll be honest, I've not solved them both myself, 
yet... but
> will have to over the next few weeks, so anything you learn would 
be much
> appreciated...
> 
> Troy.
> 
> 
> On 5/2/07, Troy Gilbert <[EMAIL PROTECTED]> wrote:
> >
> > Yeah, you're hitting the 2880 pixel limit with bitmaps. No bitmap,
> > including cached bitmaps, can be bigger than 2880 px in either 
dimension. In
> > the case of cacheAsBitmap, it stops caching when that's the case.
> >
> > Fortunately, you can control it a bit... I'd imagine that even 
when
> > zooming in you're only showing less than 2880 pixels actually on 
screen. So,
> > you can do a bit of caching. And you can control the size of the 
cached
> > bitmap by setting the scrollRect for the displayObject.
> >
> > Now, I'm not sure if the scrollRect is "smart" in that when you 
move it it
> > simply redraws (stupid) or does a partial copy and a partial 
render
> > (smart)... if its smart, then you've got it pretty easy, just 
move the
> > scrolllRect around your map instead of moving the map (or its 
SWFLoader)
> > around inside a container.
> >
> > Another option would be to simply make the scrollRect be as big as
> > possible while still being smaller than 2880px. This would allow 
you to drag
> > the map around locally without it having to redraw but forcing a 
redraw if
> > you dragged too far. Kinda similar result to a tiled renderer, 
not quite as
> > efficient, but a whole lot less code!
> >
> > Troy.
> >
> >
> > On 5/2/07, helix206 <[EMAIL PROTECTED]> wrote:
> > >
> > >   Hello all,
> > >
> > > I have this strange ans stupid problem and the deathline is 
comming
> > > in a fiew days, so i hope someone will be able to help me.
> > >
> > > First of, I am trying to drag a vector map inside another 
container
> > > fluidly.
> > >
> > > So, I have a vector map, exported to .SWF. This map is loaded 
with
> > > SWFLoader in another container, and the SWFLoader has a property
> > > CacheAsBitmap set to True. Everything works just fine, and the 
map
> > > drags very well inside the container. Problems araise when i 
zoom the
> > > map (actualy scale it) beyond 2000px. Then draging becomes very 
slow,
> > > and i sopose that CacheAsbitmap property just stops working.
> > >
> > > So, does anyone has any idea why is this heppening, and how 
could i
> > > solve it?
> > >
> > > I will accept any sollution except tiling my map into 100 tiles 
and
> > > showing only the ones that are on the screen. If no sollution 
will be
> > > provided then i guess ill have to do it that way.
> > >
> > > Any help appriciated.
> > >
> > >  
> > >
> >
> >
>


Reply via email to