pulpcore

So shouldnt the above code work then as desired?

2009/6/9 David Brackeen <[EMAIL PROTECTED]>

> A change in a group's property doesn't change the child sprite's
> properties, but rather it transforms the child sprite's display. So
> changing the group's alpha does affect the display of all it's child sprites.
>
>
> On Tue, Jun 9, 2009 at 12:13 AM, Dori <[EMAIL PROTECTED]>wrote:
>
>>
>> Thanks for the reply. I was under the impression when you manipulate a
>> groups graphical property that it would propergate the change down to
>> all children of that group, is this an incorrect assumption?
>>
>> Thanks,
>>
>> Dori
>>
>> On Jun 8, 3:00 pm, David Brackeen <[EMAIL PROTECTED]> wrote:
>> > I think you can get the effect you're looking for by giving the Group a
>> > backbuffer. group.createBackBaffer()That way the alpha is only applied
>> to
>> > the Group's back buffer, not each individual sprite.
>> >
>> > On Mon, Jun 8, 2009 at 2:22 AM, Dori <[EMAIL PROTECTED]>
>> wrote:
>> >
>> > > Hello, i thought i was getting the hang of pulpcore until I get
>> > > stumped by something very simple. Using the example below, the
>> > > button's alpha setting animates correctly, over the 10 secs (just as
>> > > example) but the image sprite seems to do it at 3 times the speed,
>> > > whats going on here?!
>> >
>> > > Thanks for any help, code follows...
>> >
>> > > public class InstructionsScene extends Scene2D {
>> > >        private Button menuBut;
>> > >        private Group only;
>> > >        private ImageSprite im;
>> >
>> > >        @Override
>> > >        public void load() {
>> > >            only = new Group();
>> > >            Timeline tl = new Timeline();
>> >
>> > >            //background
>> > >                im = new
>> > > ImageSprite(CoreImage.load(Imaging.INSTRUCTIONS),0,0);
>> > >                only.add(im);
>> >
>> > >           //button
>> > >            menuBut = new
>> Button(CoreImage.load(Imaging.MENU_BUT).split(3),
>> > >                        (Stage.getWidth() / 2),
>> > >                        450);
>> > >        menuBut.setAnchor(0.5, 0.5);
>> > >        only.add(menuBut);
>> >
>> > >        tl.animate(only.alpha, 0, 255, 10000);
>> >
>> > >        add(only);
>> > >        addTimeline(tl);
>> >
>> > >        }
>> >
>> > >        @Override
>> > >        public void update(int elapsedTime) {
>> >
>> > >                if (menuBut.isMousePressed()) {
>> > >                        Timeline nST = new Timeline();
>> > >                        nST.interruptScene(new MenuScene(), 100);
>> > >                        addTimeline(nST);
>> > >                }
>> > >        }
>> > > }
>>
>>
>
> >
>

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