public void TraceFrustumInScene(Matrix viewProjection)
{
Frustum frustum = new Frustum(viewProjection);
ChemEntity[] entities = sceneGraph.GetAllInsideFrustum(frustum);
if (entities != null)
{
foreach (ChemEntity entity in entities)
{
AtomSelectionEntity selEntity = new AtomSelectionEntity((AtomEntity)entity);
selEntity.Init(device);
postSceneViewEntities.Add(selEntity);
}
}
}
public void UpdateSelectedItems(List <ChemEntity> selected)
{
// ensure selection entities exist in scene for the selected objects
if (selected == null || selected.Count == 0)
{
// remove any entities from scene
sceneManager.RemoveFromPostSceneView(selectedAtoms);
selectedAtoms.Clear();
}
else
{
bool[] inUse = new bool[selectedAtoms.Count];
List <AtomSelectionEntity> newSelectedAtoms = new List <AtomSelectionEntity>();
foreach (ChemEntity obj in selected)
{
if (obj is AtomEntity)
{
// see if already in list
int idx = 0;
bool found = false;
foreach (AtomSelectionEntity entity in selectedAtoms)
{
if (entity.Atom.Atom == obj.CdkObject)
{
inUse[idx] = true;
newSelectedAtoms.Add(entity);
found = true;
break;
}
idx++;
}
if (!found)
{
AtomSelectionEntity entity = new AtomSelectionEntity((AtomEntity)obj);
entity.Init(device);
newSelectedAtoms.Add(entity);
sceneManager.AddToPostSceneView(entity);
}
}
}
sceneManager.RemoveFromPostSceneView(selectedAtoms, inUse);
selectedAtoms.Clear();
selectedAtoms = newSelectedAtoms;
}
}