Hi Corysia!
Thank you for the code below. But I do not really understand what is
happening there...
You are creating "BranchGroup createBackGraph()" but you are adding the
pointArray to "objRoot"... what is the use of the objBack then?
When I tried to add the pointArray to objBack there were no stars visible at
all...
I am a little bit confused about that...
Thanks,
Christian
> -----Original Message-----
> From: Corysia Taware [mailto:[EMAIL PROTECTED]]
> Sent: Monday, June 25, 2001 3:42 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [JAVA3D] Rand / Stars dissappear in the distance
>
>
> Yes, put it into the Background() object. Load up your
> geometry in one or
> more PointArray objects, then add it to the tree as a
> Background object.
>
> Here's a snippit of code. You also might be interested in
> how I changed the
> brightness of the stars with color.
>
>
> private BranchGroup createContent()
> {
> BranchGroup objRoot = new BranchGroup();
> Background background = new Background();
> background.setApplicationBounds(bounds);
> background.setGeometry(createBackGraph());
> objRoot.addChild(background);
>
> return objRoot;
> }
>
> public BranchGroup createBackGraph()
> {
> // Create the root of the branch graph
> BranchGroup objBack = new BranchGroup();
>
> PointArray orion = new PointArray(10, PointArray.COORDINATES |
> PointArray.COLOR_3);
> orion.setCoordinate( 0, new Point3f(0.978330f,
> -0.033900f, 0.204426f));
> orion.setCoordinate( 1, new Point3f(0.968007f,
> -0.167860f, 0.186506f));
> orion.setCoordinate( 2, new Point3f(0.981477f,
> -0.142660f, 0.127873f));
> orion.setCoordinate( 3, new Point3f(0.983764f,
> -0.005220f, 0.179391f));
> orion.setCoordinate( 4, new Point3f(0.981112f,
> 0.110597f, 0.158705f));
> orion.setCoordinate( 5, new Point3f(0.967377f,
> 0.172516f, 0.185523f));
> orion.setCoordinate( 6, new Point3f(0.961385f,
> 0.128845f, 0.243183f));
> orion.setCoordinate( 7, new Point3f(0.978330f,
> -0.033900f, 0.204426f));
> orion.setCoordinate( 8, new Point3f(0.981293f,
> -0.020980f, 0.191375f));
> orion.setCoordinate( 9, new Point3f(0.983764f,
> -0.005220f, 0.179391f));
> orion.setColor(0, new Color3f(1.0f, 1.0f, 1.0f));
> orion.setColor(1, new Color3f(0.9f, 0.9f, 0.9f));
> orion.setColor(2, new Color3f(0.8f, 0.8f, 0.8f));
> orion.setColor(3, new Color3f(0.7f, 0.7f, 0.7f));
> orion.setColor(4, new Color3f(0.6f, 0.6f, 0.6f));
> orion.setColor(5, new Color3f(0.5f, 0.5f, 0.5f));
> orion.setColor(6, new Color3f(0.4f, 0.4f, 0.4f));
> orion.setColor(7, new Color3f(0.3f, 0.3f, 0.3f));
> orion.setColor(8, new Color3f(0.2f, 0.2f, 0.2f));
> orion.setColor(9, new Color3f(0.1f, 0.1f, 0.1f));
> objRoot.addChild(new Shape3D(orion));
>
> objBack.compile();
> return objBack;
> }
>
>
> ----- Original Message -----
> From: "Christian Bartel" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Monday, June 25, 2001 2:05 AM
> Subject: Re: [JAVA3D] Rand / Stars dissappear in the distance
>
>
> > Hi Artur!
> >
> > > There is something called far clipping plane. You do not
> see objects
> > > behind this. I think that you should put everything into
> > > background node
> > > and stay with small coordinates.
> >
> > How exactly "put in background node"? You mean, I should realize the
> > star-background via an image on background geometry? This
> was what I tried
> > first, but this was way to slow... Did I get you right?
> >
> > Christian
> >
> >
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