@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (!super.equals(obj))
			return false;
		if (getClass() != obj.getClass())
			return false;
		DirectedSceneNode other = (DirectedSceneNode) obj;
		if (Float.floatToIntBits(angleXZ) != Float
				.floatToIntBits(other.angleXZ))
			return false;
		if (Float.floatToIntBits(angleYZ) != Float
				.floatToIntBits(other.angleYZ))
			return false;
		return true;
	}