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This is the first part in a tutorial series that will go through creating procedural flower blossoming animations in Houdini. In this part, we go through some basics of procedural modeling and KineFX to create a single flower petal with a rig that allows the user to shape and animate between a "bud pose" and a "bloom pose". I initially intended for this tutorial series to be for beginners, but feedback from the community proves that intermediate users have a better experience.
In the next parts of this series, we will make a phyllotaxis point generator to copy the petals onto, create a system for blending multiple skeletons based on a growth attribute, create procedural animation curves, and simulate the flower in Vellum. At some point throughout the series, we'll talk about using this procedural setup to model a flower and its growth animation based on photo reference. At the end of it all, we will make flower materials, light, and render the flower animation through Solaris using Karma.
These methods are a mix of things I have seen from John Kunz on Patreon, Entagma, and some things I figured out together with Simon Reher.
Some interesting resources to explore this topic further:
Flower Garden | Carl Krause | Paris HIVE 2023
https://youtu.be/9bsb-WBGPTc?si=Jq7xsayUYdgSLDMi
Flower Projects | Paul Esteves | MucHUG
https://youtu.be/U1k1qmim3iA?si=Hk3A_vQMw2au5VgD
My KineFX notes on Notion:
https://dannylrsn.notion.site/KineFX-74b5365a382c4f6c8ccba3c5f1546c32?pvs=4
Feel free to ask any questions or leave feedback in the comments. Would be happy to see any flowers people create.
Chapters:
00:00 - Intro
00:29 - Overview of Part One
00:50 - Part One - Petal Shape
04:55 - Part Two - Petal Skeleton (KineFX)
06:00 - Skeleton Orientations
07:55 - Note on Fusing the Skeleton
08:12 - Rig Doctor
08:42 - UV Deform Skeleton to Petal
11:03 - Capture Skin Weights
11:46 - Part Three - Deformation and Animation
13:38 - Skeleton Blend
14:24 - Petal Animation
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