From the course: Houdini: Particles
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Final prep
- [Instructor] All right, so now we have all of our particles colored and now what we want to do is just do some group and attribute housekeeping just to clean this stuff up. We middle mouse click, you can see we still have our different point groups. I want to delete those, and I'm also going to create some new velocity and add in our custom-p-scale attribute so we can randomize the rendering of the particles. Let me hit Tab, and I am going to do a group delete. At the P-key to get the parameters, type in asterisks in there. Hit the P, and now we've got no groups. Don't need them anymore. Next, I'm going to do a trail. This is just to get clean, nice new velocities off these, so I am going to change this to compute velocity, but because these are particles and we can't do it by point number because the point numbers are changing every frame. What we're going to use is we're going to use the match by attribute ability of this. Turn that on. You can see by default it's already set to…
Practice while you learn with exercise files
Contents
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Scene overview3m 16s
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Create a particle source object5m 3s
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Create particle sim3m 30s
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POP Source nodes3m 29s
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POP Collision Detect3m 19s
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POP Drag, Wind, and Color2m 16s
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POP Kill2m 45s
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Cache particles3m 20s
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Create Cd and alpha 14m 25s
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Create Cd and alpha 24m 46s
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Final prep2m 32s
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Final render2m 20s
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