*Jakub Spacek - Mixing Colors by Way of Houdini Fluids Flip and Pyro Solvers.

https://lesterbanks.com/2018/10/create-mix-colors-houdini-fluids/

*Houdini oil in water

https://www.deko.lt/houdini-oil-in-water/


*Od force about flow map

https://forums.odforce.net/topic/23724-flow-map-from-fluid-velocity-for-game-application/