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smallbird

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About smallbird

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    Small Bird
  1. bounding box orient to emitter pyro

    Nice to see it's doable. Too bad you can't share the hip. But how is the orientation grabbed in the actual dop? Are there any extra nodes or does the smokeobject actually read the orientation? Because I'm pretty sure I had orient and defined @N, @up and even @side. As pointposition that is used in the tutorial by trzanko didn't work for me which is what I tried.
  2. bounding box orient to emitter pyro

    But that wasn't the issue? Oriented bounding box(es). As in smoke trail bounding boxes following some curve being oriented instead of no orientation thus most of the time expensive and inefficient. I needed oriented bounding boxes and also found out what had worked no longer does. Like this by trzanko.
  3. Hey, Super new to Houdini here. Trying to stray away from my comp education and go into FX instead. We just finished a group project and it's time for summer break so I want to go back and do FX for a couple of finished projects of other groups to get finished comped shots to build a FX reel. For this particular project I wanted to make a grain simulation for a group that had a hermit crab switching his shell on the ocean floor. The finished project contained just a mesh with a sand texture on it together with stock footage for some dust and smoke when the crab flips the new shell from the sand bottom. I have attached my super quick way of re-doing it by following mainly a tutorial about the grainsource/grainsolver adjusted to this scene. My further a long hip is not that much better off anyway and much messier with much trial and error. Main problems are; -The particles keep moving for such a long duration even though I have friction parameters set to 1. Maybe the sim just have to run much longer? -Size of particles to represent sand obviously has to be quite tiny so I'm a bit unsure if I will have to scale them down all that much and create a super thick layer that covers all the way down to the tip of the shells flip animation (at ~54F) that to me looks like I'll be in the millions. -Camera seems off. I was reading up about camera exporting from Maya and asked a former student at my school that has been at an internship working with Houdini that said Null scaled to .001 is fine but it doesn't match the final shot. I will also have to double check this with the group that provided me with the assets. Still nice to get clarification. -Underwater gravity for the stones. I assume transfering Cd to the particles getting hit by the shell and then add a POP Force group that lowers the gravity specifically for those particles? -Maybe not such a big issue but particles clipping on the ground plane. -I also don't seem to be able to give the grains a shader/material like in the tutorial I watched. I have no idea what I'm doing wrong here. Just adding a dirt slaps it in /mat and gives it to everything except my particles. Although that works when doing the dop import afterwards when everything else is removed anyway. I have attached the hip file a long with the assets I have received from the group. cstSand.zip
  4. Hey all, I'm a compositing student but for a current group project we are to make a bumper and ended on doing it in Houdini because it just looks best. So I don't have much experience in Houdini before this except watching some courses/tutorials and playing around very little. The learning curve is quite steep and I've run into several snags. First of all I followed this tutorial to get the first morph/transition and things panned out pretty well. However I got a third model and maybe even a fourth and I don't know how to add these into the mix. In my current file there is just a simple blendshapes for the third model but it's quite uninteresting. That's it for starters at least. Other than that I'm trying to figure out how to change the colors between each model as well. The project file is probably pretty dank since it's my first project in Houdini. I really love the program and want to continue working in it! Hopefully someone out there could take some time to look it over and give some input. Attached is a .rar with .hip and the .fbx camera as well as x3 .obj models used. bumper.rar
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