Houdini uv suction

https://youtu.be/o0wN5b_Jn5o

A simple setup that help you cheat a suction effect performed on the uv channel, features:

- suction center, it has some limitations when it's near the edge of the uv.

- suction direction, but mostly inward.

- suction speed, note the faster it goes to the center the smaller the tiles become.

- noise.

I might add some twisting capabilities in the future to become like a whirlpool.

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