Procedural Alien SpiderEggs Generator HDA

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HI everyone!

I'm currently working on a procedural tool that automatically places spider eggs for a space bug infestation University game 👀
it's currently in a working state but there are parts that i still need to improve :d

(optimizing vdb and smoothing performance,some visual aspects of the tool)

how it works is first you place the tool in the scene( or select a bounding box) then a preview of the spider eggs will appear. adjust parameters and the alien goo will automatically scan for the closest walls and connect them.

here's some of my current progress wips! took some inspiration from SideFX Software's project Grot and Jack Glavimans's slime tool.

cool thing that i discovered is that i can make the tool's parameter independent from the bounding box's size with just 2 simple match size node. sometimes the solution to a problem is the simple one


Here's my current progress below (I'll also attach my references )

would appreciate any feedback/insights in how to improve this tool both technically or visually (*^v^*)/

Attachments:
miHxQkd - Imgur.gif (3.3 MB)
bR8ih7l - Imgur.gif (2.3 MB)
isssmage.png (595.8 KB)
image(11).png (131.0 KB)
image(12).png (7.5 MB)

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Very organic and stylized
Senior FX TD @ Industrial Light & Magic
Get to the NEXT level in Houdini & VEX with Pragmatic VEX! [www.pragmatic-vfx.com] https://lnk.bio/animatrix [lnk.bio]
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haha yeap! going for that goopy icky look :p
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= small QOL update on the alien spider egg tool!! = 🕷️🕸️

when the tendrils are dripping, it no longer passes through the environments, and instead
will be projected towards it

After:

Before:

did this by using project rays and bounding boxes to group the points that passes through the environments

I also added another scattering method, one that scatters the eggs around the perimeters of the main egg and have a (roughly) similar distance from the main egg.
new:

comparison with the earlier scattering method:


veins also look nicer, and you can adjust to decide at what distance does the veins connect to the eggs located further away
Edited by Irene_Howard - 2025年2月14日 05:03:12
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