glDrawable = drawable;
gl = drawable.getGL();
glu = new GLU();
glut = new GLUT();
glDrawable.setGL(new DebugGL(gl));
controller = new Trab03Controller();
renderer = new Renderer();
controller.setModoCursor(Trab03Controller.MODO_SELECAO_VERTICES);
controller.setModoTransformacao(Trab03Controller.MODO_TRANSFORMACAO_TRANSLACAO);