If we want to animate the parameter driving the VAT WPO material we can do the following
Note that when using the workflow below, the animated parameter gets associated with the slot
so we can change the matrial and as long as the new material has a parameter named the same the
animation will be animated
Drag the static mesh actor to sequencer
on the sm click…
General
Ray tracing & Path tracing
VAT & ray / path tracing
Select the mesh
In the details panel start typing “world…”
Rendering > Advanced > Evaluate World Position in Ray Tracing : On
This is required to be able ti use ray traced shadows
It is also needed if you want to use the path tracer
SideFX Labs - VAT
Installation
The VAT Vertex Animation Texures is a part of the SideFX Labs toolset
Make sure that the SideFX Labs shelf is loaded
You can press the Update Toolset button on far left on the shelf to update
In the Out context add a Labs Vertax Animatiin Textures node
On the node, click the “Real-Time Shaders” section.
Click the Unreal Engine Content Plugin & Guides button to open up the dir.
Follow the guides to installation and use
Sequencer
Control VAT display frame with Sequencer
Make sure that VAT material is assigned to the mesh
Add mesh to sequencer.
In sequencer, click to + on the reight hand side to add a StaticMeshComponent
On the added static mesh component add a the material Material Parameters > Slot: <Your material name>
On the material add the Display Frame
Set the start and end display frame keframes
RMB click on the Display Frame track > Edit > (Key Interpolation) Linear