UE5 ALS + Interactive World + Runtime Vertex Color Paint & Detection Plugin 

For Blog Posting
Interactive World - Free Plug-in for UE5 to Easily Create Interactions between Characters and the World! Open Source!
3dnchu.com/archives/interacti...
Runtime Vertex Color Paint & Detection Plugin - Plugin for UE4 & UE5 that facilitates vertex color painting on runtime! Great for wet and stained expressions!
3dnchu.com/archives/runtime-v...