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baja blast rd.

How to use Boom's displacement scrollers

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Amazingly useful guide, ty!

One thing that I've not seen done before (although maybe it has been done loads and I just haven't noticed) is using displacement scrollers to align textures; You can use them to essentially emulate the flat alignment capabilities of more advanced UDMF engines in Boom/MBF21.

I included a Boom/MBF21 example wad of a 256 unit wide room with a teleport gate slightly above the middle on the vertical axis, so that it aligns with the 64x64 flat grid, but exactly in the middle on the horizontal axis, so that it's cut in half. Using a 16 unit tall control sector with a displacement scroller that only scrolls floors, it can be scrollled to look correct!

I've not played with the concept that much yet, but it seems kinda useful in general, and could lead to some interesting creative uses (animated flats in particular can become wonderfully cursed). You could even make the equivalent of textures that have a bunch of different switches on and rely on texture alignment to display properly, but as a flat.

flatalignment.zip

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Thanks for this thread. I read it just today and for this year NaNoWadMo, I'm doing 2 hour speedmaps picking themes at random and I got "No movement. Turn, use and shoot only". I used conveyor belts for granting the player items and to activate things while moving the player upwards.

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