/**
* Edit the input {@link Geometry} with the given edit operation. Clients can create subclasses of
* {@link GeometryEditorOperation} or {@link CoordinateOperation} to perform required
* modifications.
*
* @param geometry the Geometry to edit
* @param operation the edit operation to carry out
* @return a new {@link Geometry} which is the result of the editing (which may be empty)
*/
public Geometry edit(Geometry geometry, GeometryEditorOperation operation) {
// nothing to do
if (geometry == null) return null;
Geometry result = editInternal(geometry, operation);
if (isUserDataCopied) {
result.setUserData(geometry.getUserData());
}
return result;
}
private Mesh[] findTargets(Node node) {
Mesh sharedMesh = null;
ArrayList<Mesh> animatedMeshes = new ArrayList<Mesh>();
for (Spatial child : node.getChildren()) {
if (!(child instanceof Geometry)) {
continue; // could be an attachment node, ignore.
}
Geometry geom = (Geometry) child;
// is this geometry using a shared mesh?
Mesh childSharedMesh = geom.getUserData(UserData.JME_SHAREDMESH);
if (childSharedMesh != null) {
// Don't bother with non-animated shared meshes
if (isMeshAnimated(childSharedMesh)) {
// child is using shared mesh,
// so animate the shared mesh but ignore child
if (sharedMesh == null) {
sharedMesh = childSharedMesh;
} else if (sharedMesh != childSharedMesh) {
throw new IllegalStateException("Two conflicting shared meshes for " + node);
}
}
} else {
Mesh mesh = geom.getMesh();
if (isMeshAnimated(mesh)) {
animatedMeshes.add(mesh);
}
}
}
if (sharedMesh != null) {
animatedMeshes.add(sharedMesh);
}
return animatedMeshes.toArray(new Mesh[animatedMeshes.size()]);
}