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Found 3 results

  1. Opacity from Attribute Transfer

    Hello, I have having trouble with a particle effect and I can't find anything on how I would achieve it. I have a rough idea of how it might work but my houdini knowledge and experience isn't good enough to actually do it. I am trying to create the effect of an illuminated object flying through a room full of particles, like dust in a warehouse. I want the particles to initially be invisible and only when the target object passes by for the particles to become visible and then begin to glow. So far I have a set up where the target object flys through the scene and collides with the particles. As it does this I have an Attribute transfer that gives me a field of influence that I want to drive the visibility of the particles. Does anyone now how I could do this? ParticlesTest_v032.hip
  2. Hello there, I was able to do constant materials with alpha to use as our background (matte paint). When rendering everything is working as supposed. But I would like to see it in Houdini viewport aswell. Any tips on this are welcome Cheers,
  3. Density to Opacity Node

    Hows the DensitytoOpacity node used and why is there always an error when i try to use it? the example file is not very helpful.
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