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Dynamically paint a texture while game is running

Hey,

I'm working on making snow basically, and wondering if its possible to create a height map from where your walking. This would be used with tessellation to make it look like the snow is being pushed down. Would like it to be very similar to this http://tombraider.tumblr.com/post/131825841425/dev-blog-snow-tech-and-houdini-simulations-mike I already have the dynamic tessellation, just needs a way to paint the height map without having to make like 50 locators that would keep moving to make sphere masks. Mainly I'm using the blueprints so would be nice if the solution would be able to be done through those

Thanks in advanced.

Product Version: UE 4.10
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asked Feb 23 '16 at 01:18 PM in Rendering

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andrekek
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avatar image Mopperl Feb 24 '16 at 10:51 AM

cant you vertex paint the snow? Im not really sure how the tesselation stuff works but painting textures on = Vertex Paint :) https://docs.unrealengine.com/latest/INT/Engine/UI/LevelEditor/Modes/MeshPaintMode/VertexColor/index.html or the Landscape equivilant with a landscape material https://docs.unrealengine.com/latest/INT/Engine/Landscape/QuickStart/5/index.html ?

avatar image andrekek Feb 24 '16 at 06:18 PM

Yea, I know about it but I couldn't figure out how to do it while in game. I have used vertex paint a few times, but there didn't seem to be any blueprint nodes that could paint on the fly. But thanks anyway

avatar image andrekek Mar 03 '16 at 01:53 PM

Bump. I might be asking too complicated. All I want to know is how to dynamically make and change a texture. I saw target render and hoped I could change that in Blueprint, but didn't seem like it. I have seen more then one do this. But I never found out how many was done. I saw one that was done with decals, but I couldn't see a way for that to work with what I want. Also came over this https://wiki.unrealengine.com/Dynamic_Textures , but I couldn't understand how to make it and how to use it. Maybe it just works for coding specifically? Sucks that so many of these posts don't seem to be answered.

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