C30 DLAAlgorithm::WalkOutwards generates round levels

[smokku]

DLA algorithm WalkOutwards generates a round-ish, open area on the map, not a jagged one, similar to WalkInwards.

i.e.

[vegaelle]

I just found this too. Given the description of the algorithm, it seems pretty logical to get that kind of result (spawn miners from the center, that will move randomly and dig the first wall they find). The animation provided in the tutorial seems to be generated by the WalkInwards. @thebracket what should be expected there?

[thebracket]

I think you're right, the screenshot appears to be switched. I'll add it to my list; between the book, bracket-lib and real life my time is a little short right now.

[vegaelle]

Yeah don’t worry. Thank you for this amazing work