Node *FEMesh::closestNode(const double x, const double y, const double z=0)
#endif
{
double min=1.; // (initial value provided to suppress compiler warnings)
Node *node, *thenode=0;
for(NodeIterator ni = node_iterator(); !ni.end(); ++ni) {
node = ni.node();
double dx = node->position()(0) - x;
double dy = node->position()(1) - y;
#if DIM==2
double dist = dx*dx + dy*dy;
#elif DIM==3
double dz = node->position()(2) - z;
double dist = dx*dx + dy*dy + dz*dz;
#endif
if (ni.begin()) {
min = dist;
thenode = node;
}
else {
if (dist <= min) {
min = dist;
thenode = node;
}
}
}
return thenode;
}
bool Scene::Add( freyja::Node* node )
{
bool ret = false;
if ( node )
{
mstl::String key = node->GetType();
SceneResource* resource = mResourceDict.find( key );
if ( resource )
{
bool found = false;
for ( NodeIterator it = resource->GetIterator(), end = it.end(); it != end; it++ )
{
if ( *it == node )
{
found = true;
break;
}
}
if ( !found )
{
// FIXME: Check for name collision!
node->SetScene( this );
resource->GetList().push_back( node );
key = node->GetName();
resource->GetDictionary().insert( key, node );
}
ret = true;
}
}
return ret;
}