area = getHiPoint().distance(getLowPoint());
}
public void shake() {
energies.clearEnergies();
}
<BUG>protected void addNode(String sourceId, String id) {

nodes.addParticle(newNodeParticle(id));

}</BUG>
public void moveNode(String id, double x, double y, double z) {

area = getHiPoint().distance(getLowPoint());
}
public void shake() {
energies.clearEnergies();
}
protected NodeParticle addNode(String sourceId, String id) {
NodeParticle np = newNodeParticle(id);
nodes.addParticle(np);
return np;
}
public void moveNode(String id, double x, double y, double z) {
