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Physics Are Phun


Marc

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Oddly enough, for the first time in Production that I know of, we're using a 2D RBD system at R+H for an important effect (in in-house software though). Using 2D fluid solvers can be really useful and fast, especially if they're simulated on a regular geometry grid which can defomed to any shape - in a kind of 2.5D way - and you can do a bit of that by taking a 2D slice of the 3D fluid solvers... but doing this setup in DOPs is actually a little more complicated than it needs to be. Think about fluid running down the surface of a sphere, getting the appropriate gravity at each cell based on the orientation of the normal at that quad - and so on. Can be quite fun and efficient:)

2D RBD - is anything is that fast, we'd find lots of places to use it, I'm sure - but non really come to mind right now. Any ideas out there? The 2D SPH particles looked interesting too.

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