/** Display the maze */
 @Override
 public void displayMaze3d(Maze3d maze, String name) {
   this.setMaze(maze);
   mazeDisplayer.setCharacter(maze.getStartPosition());
   mazeDisplayer.setGoalPosition(maze.getGoalPosition());
   mazeDisplayer.setMazeData(
       maze.getCrossSectionByY(((Position) mazeDisplayer.getCharacter()).getpY()));
   mazeDisplayer.draw(section);
   mazeDisplayer.redraw();
 }