LogInLooks like a Civilization grid.
Houdini is an extremely powerful software, which only gets more handy with time. Have a look at this pleasing wave animation on a grid set up by Igor Yakunin using Houdini's Motion Operators (MOPs).
MOPs is an open-source suite of HDAs built to help motion designers and VFX artists animate more easily and intuitively. It provides controls for duplicating, rotating, bouncing, aiming, and other common motion effects. You can do it quickly "without needing to write complex expressions and custom VEX for every little problem."
"MOPs is built around a few low-level “API” nodes that make it easy to transform packed primitives along their local axes (or any arbitrary axes!) and to blend the transforms of objects together in an intuitive way. These nodes can also be used by Houdini-savvy technical artists to create new custom tools," SideFX describes the tool. "Easily match various resolutions of packed primitives, transform packed Alembics in their local spaces, modify rigid body simulations after the fact, and more!"
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