Refine The Ripple Solver

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Tutorials
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Last time I announced a second part to the ripple solver tutorial. And here it is! This time, I rebuild the ripple solver setup by using a SOP solver to update the simulated geometry. Then I show you how to vary the wavespeed spatially. And finally I create an enclosed polygonal body from the simulated grid to be able to use a absorption shader on it.

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Using The Ripple Solver

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Tutorials
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The nice thing about Houdini is its versatility. Not only does it offer DOP solvers for fluids, RBDs and cloth, like many other applications, but it has some very specialized solvers, too. One of them being the ripple solver, that can be used to propagate waves across surfaces. And not only flat ones, like in this example!

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QUICKTIP: Select And Navigate

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Tutorials
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Today for something a little different. I know, Houdini is mainly about complex simulations, VEX and VOPS, but when I started out with the software, it was mainly the little things, like navigating and selecting, that I needed to learn, to feel at home. That’s why I compiled this quick tip for you.
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Naive Path Finding

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Tutorials
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This one is a rather brute force approach for a problem we had to solve on a recent job: Finding a path through a bunch of obstacles. Admittedly what we implement here isn’t a very sophisticated algorithm, but its power lies in its simplicity: It will find a path as long as it’s got enough points available.
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