Exemple #1
0
  /**
   * Update local information from the scene. It's important that this method is synchronized
   * because we get ConcurrentModificationException's during rendering otherwise.
   *
   * <p>This method is called from sceneChanged().
   */
  protected synchronized void updateCharges(Scene theScene) {
    // Clear cached infos.
    cachedBounds = null;
    cachedWire = null;
    charges.clear();

    setPositive = null;
    setNegative = null;

    // Get all selection sets.
    Object layersObj = theScene.getMetadata("selectionsPlugin.selectionSets");

    if (layersObj == null) return;

    if (!(layersObj instanceof ArrayList)) return;

    ArrayList<ObjectSet> layers = (ArrayList<ObjectSet>) layersObj;

    // Try to find those which are of interest for us.
    for (ObjectSet set : layers) {
      if (set.getName().equals(setNamePositive)) {
        setPositive = set;
      } else if (set.getName().equals(setNameNegative)) {
        setNegative = set;
      }
    }

    // Create charges.
    if (setPositive != null) {
      for (ObjectInfo oi : setPositive.getObjects(theScene)) {
        if (oi.getObject() instanceof Sphere) {
          Sphere s = (Sphere) oi.getObject();
          double q = s.getRadii().x;
          Vec3 pos = oi.getCoords().getOrigin();

          charges.add(new SphereCharge(pos, q));
        }
      }
    }

    if (setNegative != null) {
      for (ObjectInfo oi : setNegative.getObjects(theScene)) {
        if (oi.getObject() instanceof Sphere) {
          Sphere s = (Sphere) oi.getObject();
          double q = -s.getRadii().x;
          Vec3 pos = oi.getCoords().getOrigin();

          charges.add(new SphereCharge(pos, q));
        }
      }
    }
  }
Exemple #2
0
 @Override
 public void sceneChanged(ObjectInfo info, Scene scene) {
   updateCharges(scene);
   scene.objectModified(this);
 }