Hi Brad,
I will look into it, will this work even if the new
array is not the same length (greater than) the
original?
Cheers,
Greg.
--- Brad Christiansen
<[EMAIL PROTECTED]> wrote:
> Hi,
>
> If you keep a referance to your original coord array
> then you can simply change the values in that array
> directly in the
> updateData() method. It goes something like the
> 'kinda-code' snippet below. If you use BY_REF
> correctly you shouldn't need to
> set anything other than the values in your original
> arrays.
>
> eg
>
> double[] coords;
>
> initGemo() {
> coords = new duoble[2];
> ..
> ..
> la = new LineArray(.. BY_REF ..);
> ga.setCoords(0, coords);
>
> }
>
> updateData(..) {
> coords[0] = 1245.123;
> coords[1] = 1334.234;
> }
>
>
> Cheers,
>
> Brad
>
> greg baboolal wrote:
> >
> > Hi,
> >
> > After an intermittent 12-hr period I finally
> decided
> > to put the monkey-typewriter-shakesphere theory to
> > test and came up with a remedial solution, that is
> >
> > line.updateData( new GeometryUpdater() {
> > public void updateData(Geometry g) {
> > g = shape3D.getGeometry();
> > LineArray tempLine = (LineArray) g;
> > tempLine = lineArray( verts2 );
> > shape3D.setGeometry( tempLine );
> > }
> > });
> >
> > Still amazed that I had to initiate a new
> LineArray
> > but it beats the overhead of a branchGroup. If
> there
> > is a cleaner way to have done this please
> enlighten
> > me.
> >
> > Thanks,
> > Greg.
> >
> > --- greg baboolal <[EMAIL PROTECTED]> wrote:
> > > Hi,
> > >
> > > Florin thanks for the observation, I have now
> > > implemented the switch group.
> > >
> > > It seems to do the job, except there is one
> little
> > > part of th app which I can't get right now:
> > >
> > > I create a LineArray shape initial only having 2
> > > verts, the ball's current position, however I
> then
> > > need to be able to update the LineArray with a
> new
> > > set
> > > of co-ordinates, at present i'm using:
> > >
> > > line.setValidVertexCount(verts.length);
> > > line.setCoordinates( 0 , verts );
> > >
> > > where verts is the new array set.
> > >
> > > but I keep getting the following error:
> > > initial vertex index + valid vertex count >
> vertex
> > > count
> > >
> > > Can anyone help?
> > >
> > > Greg.
> > >
> > >
> > >
> > >
> > >
> > >
> > >
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