class_docstr: A high level game controller class for maze levels.
  
  The class allows navigating DMLab mazes using high level actions.
class_docstr_tok: ["A","high","level","game","controller","class","for","maze","levels",".","The","class","allows","navigating","DMLab","mazes","using","high","level","actions","."]
docstr: Return x, y in the world space.
docstr_tok: ["Return","x",",","y","in","the","world","space","."]
code: def _to_world_coord(self, x, y):
      """Return x, y in the world space."""
      maze = self._get_maze()
      y = maze.shape[1] - y - 1
      return (float(x) + 0.5) * _MAZE_CELL_SIZE, (
          float(y) + 0.5
      ) * _MAZE_CELL_SIZE
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  from python.tests.utils import game_controller
label_desc: Use image node_id 9 for calling the MazeGameController obj's underlying member method code with example usage: obj._to_world_coord(x, y) and returns: unknown,  unknown