Using Particle Effects and Vertex Animation to Simulate Large Groups of Animated Meshes – Unreal Engine Forums

Now, 100,000 birds means 100,000 skeletal meshes right?No! We can use an old-school trick called vertex animation.It’s now easier than ever to make smart particles that interact with your environment.https://www.youtube.com/watch?v=2XSQnfd7Xi8Mesh and Material SetupI started with a simple bird skeletal-mesh from the

Source: Using Particle Effects and Vertex Animation to Simulate Large Groups of Animated Meshes – Unreal Engine Forums