> From: k...@designdrumm.com
> Subject: Re: [Flashcoders] Impossible?
> Date: Thu, 9 Sep 2010 07:39:51 -0500
> To: flashcoders@chattyfig.figleaf.com
>
> Sorry, didn't see your comment at the bottom.
Yeah. I'm about ready to throw in the towel on this one. I don't think it's
possible.
George
>
> Karl
>
>
> On Sep 9, 2010, at 7:28 AM, George Jones wrote:
>
> >
> >> From: k...@designdrumm.com
> >> Subject: Re: [Flashcoders] Impossible?
> >> Date: Wed, 8 Sep 2010 16:18:36 -0500
> >> To: flashcoders@chattyfig.figleaf.com
> >>
> >>
> >> On Sep 8, 2010, at 1:15 PM, George Jones wrote:
> >>
> >>> if (gp < 1050112)
> >>> {
> >>> _redArray.push(0);
> >>> _alphaArray.push(255);
> >>> _greenArray.push(0);
> >>> _blueArray.push(255);
> >>
> >>
> >>
> >> Shouldn't this be
> >> _blueArray.push(0);
> >>
> >> and only alphaArray should be set to 255?
> >> That may be why your getting a blue background.
> >
> > First up, I fixed the flame coming back. As I supposed, that was
> > easy. The problem remains with making the background disappear.
> > I've reworked the code some:
> >
> > gp = _fireColor.getPixel(i, 0);
> > if (_bitmapFlag == true && gp < 1050112)
> > {
> > _redArray.push(255);
> > _alphaArray.push(0);
> > _greenArray.push(255);
> > _blueArray.push(255);
> > } else if (_bitmapFlag == false && gp < 1050112) {
> > _redArray.push(gp);
> > _alphaArray.push(0);
> > _greenArray.push(255);
> > _blueArray.push(255);
> > } else {
> > _redArray.push(gp);
> > _alphaArray.push(0);
> > _greenArray.push(0);
> > _blueArray.push(0);
> > }
> >
> > I've changed the if statement. Values of gp less than 1050112 are
> > that which are not the flame, therefore are the background which
> > should be set to alpha=0. When _bitmapFlag == true, then it's the
> > mask that's being painted; otherwise, the sprite being masked (the
> > else if statement). The final else statement is for the flame
> > itself. Interestingly, changing the value of either the blue, green
> > or alpha of that final else statement to 255 gives a blue flame
> > with white border and very attractive, though not what I want. I
> > wonder why changing the alpha especially would have that effect.
> >
> > I guess what I'm not clear about is the values I'm pushing. If I push
> > 255 for the red, green and blue arrays, does that result in white?
> > If I
> > push 0 for alpha, is that the same as alpha=0 or alpha=1?
> >
> >
> >
> > Here again is the code for building the sprites:
> >
> > private function _onLoadedAll(e:Event):void
> > {
> > _onLoadedContent(e, _bitmapFlag = false);
> > _onLoadedContent(e, _bitmapFlag = true);
> > }
> >
> > private function _onLoadedContent(e:Event,
> > _bitmapFlag:Boolean):void {
> > _fireColor = Bitmap(LoaderInfo
> > (e.target).loader.content).bitmapData;
> > ...
> > if (_bitmapFlag == false)
> > {
> > _fire = new BitmapData(865, 92, _bitmapFlag,
> > 0xffffff);
> > addChild(new Bitmap(_fire));
> > _fireSprite.addChild(new Bitmap(_fireMask));
> > addChild(_fireSprite);
> > _fireSprite.mask = _fireMaskSprite;
> > _fireSprite.cacheAsBitmap = true;
> > } else {
> > _fireMask = new BitmapData(865, 92, _bitmapFlag,
> > 0xffffff);
> > _fireMaskSprite.addChild(new Bitmap(_fireMask));
> > addChild(_fireMaskSprite);
> > _fireMaskSprite.cacheAsBitmap = true;
> > }
> >
> > I'm wondering now if this is possible, to mask the flame only and
> > let the background show.
> >
> >
> > The following combinations give me a blue background and flame:
> >
> > if (gp < 1050112)
> > {
> > _redArray.push(255);
> > _alphaArray.push(0);
> > _greenArray.push(255);
> > _blueArray.push(255);
> >
> > if (gp < 1050112)
> > {
> > _redArray.push(0);
> > _alphaArray.push(255);
> > _greenArray.push(0);
> > _blueArray.push(255);
> >
> > if (gp < 1050112)
> > {
> > _redArray.push(0);
> > _alphaArray.push(255);
> > _greenArray.push(255);
> > _blueArray.push(255);
> >
> > if (gp < 1050112)
> > {
> > _redArray.push(255);
> > _alphaArray.push(255);
> > _greenArray.push(255);
> > _blueArray.push(255);
> >
> > This gives me a black background:
> >
> > if (gp < 1050112)
> > {
> > _redArray.push(0);
> > _alphaArray.push(255);
> > _greenArray.push(0);
> > _blueArray.push(0);
> >
> > TIA,
> > George
> >
> > _______________________________________________
> > Flashcoders mailing list
> > Flashcoders@chattyfig.figleaf.com
> > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
>
> Karl DeSaulniers
> Design Drumm
> http://designdrumm.com
>
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