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Showing results for tags 'drops'.
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Hey magicians, I need to create something like this for a client, some sort of flip drops that need to be timed with music. My first thoughts are create a flip tank with some particle system falling down that act like drops, and use the "hit" parameter to make them light on? (not sure about this part). Shading will be done with redshift. As for the timing with music, I think COPs is the way to go. Any tips on how to achieve this will be super helpful. Thanks in advance
mattak posted a topic in Work in ProgressHi all, been learning Houdini since mid Feb and thought it time I better share something back as I've found the forum immensely useful ;-) RnD of Houdini particles flowing over a hard surface model to simulate a condensation/rain/rivulet/droplet effect. This is part of a larger RnD project I'll render & upload shortly (this is one section of a larger flying object - a cloud seeding drone... just an excuse to learn a load of Houdini). Partly inspired by Mark Theriault's Sucker Punch Intro Breakdown using Pflow (vimeo.com/39161208) and having just starting making the switch for fx from Maya to Houdini, this was one of those "I wonder if I can do that now in Houdini" things that I just had to try. I remember years ago doing something similar in Maya and it taking a heck of a lot longer! This effect took about a week of tweaking. The sim is basically just a popnet which relies on an SDF volume (isoOffset) for surface interaction and uses a voppop (VEX) to control the "drip off threshold". Once I had a working method, I then used 3 duplicate variations for the different rivulets (trail SOP) and finally added a random scatter SOP for some extra motionless droplets. As the final shot won't be so closeup, I have to option of increasing/decreasing the uniform sampling of the SDF to fit. When all this is done, I'll hopefully be taking this RnD further with a rain-on-a-window-pane high-detail/realism sim. Thanks to SpencerL for advice on the initial VEX methodology.
I'm looking to create as asset that will generate water droplets onto the surface of any input geometry. This would mostly be applicable to still shots. My first assumption would be to generate points from any mesh of a geometry and just use a copy node to place spheres on top of the outside mesh of the input geometry, however I want the droplets to look organic, like this: I don't expect anyone to write an entire tutorial here (unless it is actually quite easy), so if there's a tutorial already made hidden away somewhere I'd really love to be redirected. I'm intending to make a .hda out of it so I can use it in c4d.