Although the mesh can be moved like water in Unity, it is restricted by vertex_fluid_shader, and can't make other effects, such as the dissolving effect in similar diagrams.Or other material effects…I don't know if this can be achieved.Thank you very much!
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I don't know if I can understand what I'm talking about. I don't know what I mean. I hope I can understand.

That's possible but you wouldn't do it using the vertex animation textures. You could do it with a dissolve mask in the material in unity. I would suggest looking on the Unity forums for solutions to this.

Mike