public void cutBlastFenceModel(BlastFenceModel blastFenceModel, int vertex) { BlastFenceModel model2 = (BlastFenceModel) blastFenceModel.clone(); for (int i = 0; i <= vertex; i++) model2.removeVertexModel((VertexModel) model2.getVertexAL().get(0)); for (int i = blastFenceModel.getVertexAL().size() - 1; i > vertex; i--) blastFenceModel.removeVertexModel( (VertexModel) blastFenceModel.getVertexAL().get(vertex + 1)); addBlastFenceModel(model2); }