Just a little test to see what happens if you try and use emFluid4 to create a twister style particle setup. Needs a lot more work but I can sort of see it working.

The process was: normal, simulated pointcloud with custom vortex force - only emitting a few particles per second but these particles spawn trails that are cloned into a new pointcloud. The trails kind of shape the vortex. These trails are then used as data emitters in an emFluid pointcloud. They only feed velocity into it. emFluid then advects some more particles. A bit long winded really but maybe useful in the future if someone wants me to do a twister style thing.

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