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VAT Convert Tool in UE4



I recently purchase a Flock plugin in the unreal engine marketplace. It was not just a great tool for doing some amazing flocks FX, but it comes with a Simple VAT animation converter in Engine.Here is an example result, I used it to convert a fox running animation to vertex animation texture animation. Super simple to set up. No need to jump to other DCC like Houdini or 3d Max to do the conversion.


Thanks to Justin Kiesskalt. Here is the link to his plugin:

https://www.unrealengine.com/marketplace/en-US/product/flocks



I'm going to skip how to set up the plugin and go straight to how I convert the skeleton animation to VAT animation.


I'm going to use the fox in Animal Variety pack


first open its animation


if you have plugin install correctly, you should see the three icon on the tool bar


first click on make VAT mesh icon

select a folder to store it

this will generate the geo


Then click on make VAT animation button

This would generate the VAT textures

Make material

get a material function call node



Select the node, under detail tab, choose MF_Flocks_VAT_Legacy


Plugin the textures


for normals

use a transform vector node to change the normal from tangent space to world space


plugin all other textures


for the material itself under detail tab

check used with instanced static meshes

uncheck tangent space normal


I create a simple Niagara system to spawn the mesh


Tada

If you prefer to watch a video tutorial here is Justin Kiesskalt's youtube tutorial: https://youtu.be/wGMWQgvB3KE


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