Evolving L-System

Evolving L-System - Houdini 15 to Houdini 15.5

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Evolving L-systems is a highly versatile tool developed for growth animations of trees and vines though useful for many different effects such as streaks and bursts of energy. Plug any geometry into the first input of the asset, and trees will sprout from each point. By sourcing a changing point source, large number of L systems can be grown in no time. Use the normal attribute to control the growth direction.

.Parameters for branch numbers, branch angles, twist, growth speed and much more. The L-systems can also interact with geometry, forces can be applied to keep branches out of each others way. You can extrude shapes along the splines and control, twist, scale and growth profiles.

A second feature lets you copy secondary geometry along the generated L-system and transform, rotate and scale it according to the spline and use the age of the spline to affect the transformation. Several nodes can be wired together to allow unlimited numbers of different geometry instances.

Evolving L-System

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- Trial version lets you try the asset for 3 days.
  
  Copy protected asset
  
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  Apprentice allows the asset for non-commercial purpose use. A watermark will be shown in the renders.
  
  Copy protected asset
  
  Internet required
  (for validation)
  
  Limited Commercial version is for Houdini Indie users.
  
  Open asset
  (no copy protection)
  
  Internet required
  (for validation)
  
  Commercial version can be used for all purposes.
  
  Open asset
  (no copy protection)
  
  Studio version can be used for all purposes and allows usage over multiple machines. Copy-protected Studio versions do not need to be logged in when using the asset.
  
  Open asset
  (no copy protection)
- Trial Free
- Apprentice Non-Commercial $5.00
- Indie Limited Commercial $50.00
- Commercial $50.00
- Studio-Wide Commercial $150.00

Author:	Asger Meldgaard
Version:	4
Asset Type:	Sop node
Dependencies:	None
File Size:	102.21KB
Created:	Jul 16, 2020
Terms of Use:	Standard License
Compatibility:	Houdini 15 to Houdini 15.5
Supported In:

Version 4 - July 16, 2020

Un-black-boxed in commercial and limited commercial
Version 3 - Oct. 22, 2017

Version 3 is a complete overhaul of the previous asset. The ability to use multiple sources is new, and so is the ability to use custom tracker points for the asset, by plugging geometry into the middle input. The sims are also much faster than previous versions. Some features are left out such as the ability to copy animation onto the splines and the wire solver features. A wire sim can be applied to the curves, and secondary geometry can be copied onto the simulated splines subsequently. The asset uses the orient attribute to transform all parameters correctly so secondary geometry can be manipulated correctly by the parameters of the asset.
Version 2 - Oct. 26, 2016

Added functionality for fields. Use fields to define spatial size variations for secondary geometry and branch thickness or use DOP fields from FLIP or pyro sims to drive growth patterns