How do I add solid borders around a randomly sized area?

Hi,

I recently found this random map generator on YouTube: youtube.com/watch and have been tweaking it to generate randomly sized rooms.

I'm now stuck on how to make the surrounding areas (the yellow area in the screenshot) solid so that the character sprite doesn't pass through them.

When the rooms were a set size I added a solid tiled background sprite around the edges, but don't know if it's possible to reuse this technique when the X and Y values are randomised.

I haven't looked at the source yet but if the problem is that you don't know where to position your border because the position can be random/variable, then the solution is usually to save the randomized value in a variable so that it can be used for other things later.

Thanks oosyrag and tarek2.

tarek2 I thought about closing the walls using the existing tiles but can't work out how to extend them by checking the last tile on each side, as you described. Could you give an example please?

Thanks oosyrag and tarek2.

tarek2 I thought about closing the walls using the existing tiles but can't work out how to extend them by checking the last tile on each side, as you described. Could you give an example please?

To be honest I think this system will work better with TileMaps as you will have as benefits:

-A much easier way to create the sectors using the "TileMap Brush"

-Fewer objects to spawn if you want to create bigger dungeons.

-Easier to move around the sectors.

-Just one object to track (Sector & Tiles) are all in one.

etc...

So I recreated it with TileMaps:

https://www.dropbox.com/s/c2divb1fminlvrh/Dungeon%20Generator.c3p?dl=0

Another benefits is that You can always switch to spawn normal Sprites as tiles if you need to, so it covers both.

Hi tarek2,

Thank you so much for this, it's been extremely helpful. :)