From the course: Houdini: Particles

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Process v 2

Process v 2 - Houdini Tutorial

From the course: Houdini: Particles

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Process v 2

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- [Narrator] We'd created this process_v point vop before, basically to control our velocity attribute in order to handle this rotation properly, but now we actually want to recreate our velocity and sort of tame it to do what we want because it's not actually functioning as a proper velocity vector right now. Let me turn on velocity and turn off up, and let me turn off the normal, and as we remember, you know, we had it coming up and then up becoming down, but we don't want this intense velocity pointing down that's going to influence motion blur on objects that aren't moving in that direction. We'd basically turn velocity into a utility vector for rotation and now we're just gonna tame velocity. Okay, so first off I'm going to recreate velocity. So, I'm going to make a trail, put it after this, hit my p key, I want to compute velocity and then remember since this is particles, we want to match by attribute not point number because the point number will always be changing. And now…

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