Saturday, October 29, 2011

Randomized metroidvania 03: map regions

Different regions! It was easier than I thought it would be - of course it has been in the back of my head for a while so I didn't jump in with my first thought.

to start a new region:
    create a list of all frontiers for all rooms
    randomly pick one to start the new region
    clear all other frontiers
    place a room as normal

The current region determines the room color and a randomly chosen maximum height and width and can easily be used to control more things like the artwork, items, bad guys, secrets, and other things. Like placing doors, this algorithm is guaranteed to connect with existing regions and could even connect multiple other regions.

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