Hi,
If I understand correctly the Mesh class contains all the info needed to create
the geometry. You could do one of two things:
1. Let the Mesh class implement GeometryUpdater. The Mesh class then
needs to have the following method
public void updateData(Geometry geometry)
{
// update the data in the array
}
which updates the array data. The Mesh class would also have the
following method
public void updateMesh()
{
geometryArray.updateData(this);
}
which you would call when your mesh needed to be updated.
2. Inside the Mesh class create an inner class that implements
GeometryUpdater:
class Updater implements GeometryUpdater
{
public void updateData(Geometry geometry)
{
// update the data in the array
}
}
You then create an instance of this class in the Mesh class. The
updateMesh method in case 1 above
will be changed as follows:
public void updateMesh()
{
geometryArray.updateData(updaterInstance);
}
This works because an inner class has access to the enclosing classes
variables - weights and transformIndices in your case.
Hope this helps
--Renoir
> [ Java3D API DOC ]
> Data in any array that is referenced by a live or compiled GeometryArray
> object may ONLY be modified via the updateData method (subject to the
> ALLOW_REF_DATA_WRITE capability bit). Applications must exercise care not to
> violate this rule. If any referenced geometry data is modified outside of the
> updateData method, the results are undefined.
> [/ Java3D API DOC ]
>
> one of my problems was that with the upadateDate(Geometry) method i only have
> access to the GeometryArray, but often i need more data for updating, in the
> follwing case weights and transformIndices for every vertex. so i'VE done a
> quick code abstract, to which i have two questions:
> - is this code right, and save for future Java3D version and plattforms ?
> - is there a more efficient/flexible way to achive the same results ?
>
> the code goes here:
> ---------------------------------------
> ---------------------------------------
> public interface MeshUpdater extends javax.media.j3d.GeometryUpdater
> {
> void updateData(Mesh mesh);
> }
> ---------------------------------------
> public class Mesh
> {
> GeometryArray geometryArray;
>
> float[][] weights;
> int[][] transformIndices;
>
> public Mesh(){}
>
> public void updateData(MeshUpdater meshUpdater)
> {
> meshUpdater.updateData(this);
> }
>
> //set and get methods:..
> }
> ---------------------------------------
> public class Skeleton implements MeshUpdater
> {
> Transform3D[] transforms;
>
> //mesh attributs needed for updating
> float[][] weights;
> int[][] transformIndices;
>
> public Skeleton() {}
>
> public void updateData(Geometry geometry)
> {
> //now i can use the weights und transformIndices for manipulart..
> }
>
> public void updateData(Mesh mesh)
> {
> weights = mesh.weights;
> transformIndices = mesh.transformIndices;
> mesh.geometryArray.updateData(this);
> }
> }
> ---------------------------------------
> ---------------------------------------
>
> greetings
> Michael Nischt
> e-mail: [EMAIL PROTECTED]
>
> ===========================================================================
> To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
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> [EMAIL PROTECTED] and include in the body of the message "help".
--
Renoir Sewjee
Software Engineer
ISS International (Welkom)
Tel: +27 (0)57 912 2702
Fax: +27 (0)57 912 2652
--
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