void updateNpcs()
	{
		Node n;
		boolean isLoaded;
		if (conn.hasNpcs())
		{
			for (NpcData npc : conn.getNpcs())
			{
				isLoaded = modelLoader.hasNodeFor(npc);
				n = modelLoader.getNodeFor(npc);
				if (! isLoaded)
				{
					rootNode.attachChild(n);
					//n.updateCollisionTree(); kills performance
				}
				npc.update();
				//npc.heading += 200;
				if (npc.hasChanged())
				{
					n.setLocalRotation(npc.getRotation());
					//_log.info(n.getLocalRotation().toString());
					n.setLocalTranslation(npc.getTranslation());
					npc.updated();
				}
			}
		}
	}

------------------------------------

	public Matrix3f getRotation()
	{
		return WomWorld.getInstance().getRotation(heading);
	}

------------------------------------

	public final Vector3f skyVector;

	public Matrix3f getRotation(int heading)
	{
		Matrix3f rot = new Matrix3f();
		rot.fromAxisAngle(skyVector, headingToAngle(heading));
		return rot;
	}