From the course: Houdini: Particles

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Add POP Advect by Volumes

Add POP Advect by Volumes - Houdini Tutorial

From the course: Houdini: Particles

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Add POP Advect by Volumes

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- [Narrator] Alright, so we've created our volume noise, and now it's time to actually advect our particles by this volume. So I'm gonna turn this off 'cause we don't need to visualize it anymore, I'm gonna go into my PARTICLE_SIM, and under our POP source node, I'm gonna create an advect, popadvectbyvolumes. You type advect and that'll come up. Now let's look at our options here, so I'm gonna drag over our viewport and see what we've got. First, where do we want our velocity source to come from? We want it to be from a SOP, so we have a field to go grab that SOP, so we will go to our volume noise, and grab our OUT_NULL. A bunch of different options here, the main thing we wanna do is just have a VEXpression driving how this affects our points. 'Cause similarly to what we did with the POP wind in the Sprites chapter, we wanna do sort of the same thing here, because when the particles are birthed, we wanna have very little effect of this noise, but then over time, you wanna fade in the…

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