Dynamically changing maze worlds

[tessavdheiden]

Hi Chris! Nice work. Have you also considered adding moving objects? For instance, the walls move?

[Mchristos]

Hi Tessa, thanks! That's a nice idea. I created a class called MazeWorld encoding the grid-world environment, but of course, the empowerment calculation is general and you can implement whatever environment you wish. That said, currently the MazeWorld object is mutable, with an add_wall method. To get the walls to move dynamically, we could create a remove_wall method and potentially a move_wall method (making use of remove and add), and use these methods to change the MazeWorld object dynamically.

[tessavdheiden]

Yes, something like this below? But where to put it, in the act()?

def remove_wall(self, cell, direction): self.adjacencies[cell[0]][cell[1]].append(direction)

remove opposite action

    new_cell = cell + self.actions[direction]
    self.adjacencies[new_cell[0]][new_cell[1]].append(self.opposite[direction])
    # remove wall for plotting
    self.walls.remove((cell, new_cell))

def move_wall(self, cell, direction, move): self.remove_wall(cell, direction) new_cell = cell + self.actions[move] self.add_wall(new_cell, direction)

[Mchristos]

Those functions look great, and can be added as methods of MazeWorld (just like add_wall). You can then call them when you build your own dynamically moving maze world (you'll probably have to define your own functions / classes to control the dynamic changes). For examples of building static ones, there are a bunch of functions at the end of mazeworld.py that take no arguments and return fixed MazeWorld objects.

[Mchristos]

I would happily accept a PR with those changes