Grasshopper

algorithmic modeling for Rhino

Information

Kangaroo

Kangaroo is a Live Physics engine for interactive simulation, optimization and form-finding directly within Grasshopper.

Read about the new release here

The Discussion Forum below is the best place to ask any questions about using Kangaroo.

(Please avoid posting questions on the Comment Wall, as it does not allow organization of replies)

Website: http://kangaroo3d.com
Members: 2267
Latest Activity: 10 hours ago

You can read an introduction to the ideas behind Kangaroo here:

http://spacesymmetrystructure.wordpress.com/2010/01/21/kangaroo/

Kangaroo2 is now available for testing (see full announcement here). Please bear in mind this is still a work-in-progress, and features are still subject to change.

You can download it from here:

http://www.food4rhino.com/project/kangaroo

The 2.0 download includes a first draft of the manual and a collection of example files.

This thread contains some troubleshooting tips if you have problems getting it installed and working:

http://www.grasshopper3d.com/group/kangaroo/forum/topics/kangaroo-2

Some further example files for version 2.0 can be found here:

http://www.grasshopper3d.com/group/kangaroo/page/kangaroo2-additional-examples

with more to follow - if there is some particular feature you would like more examples of information on please ask there.

The Kangaroo2 solver library is now separate from the Grasshopper components, and can also be referenced and used in scripts, either in the GH VB/C#/Python components, or in RhinoScript/PythonScript in Rhino. Questions about these can also be posted on:

http://discourse.mcneel.com/c/scripting

Kangaroo2 is a complete rewrite, and the main solver/goal/force components are not cross-compatible with the previous version. However, you can keep both versions installed together allowing older definitions to be opened, and for now this is recommended, as there are also several utility and mesh processing functions relevant to both versions.

While v2 introduces many new features and improvements, not all the features from the old version currently have equivalents in the new version, but the plan is to add them all over time.

The links below are for the old version. More documentation and videos for the new version to appear soon.

example files(for version 0.099):

http://www.grasshopper3d.com/group/kangaroo/page/example-files

manual(for version 0.099):

http://docs.google.com/View?id=ddpv

getting started video:

http://vimeo.com/20308963

demo videos:

http://vimeo.com/album/199263

Some more tutorial videos from EXLAB:

http://vimeo.com/exlab/videos

Discussion Forum

Keyframe animation tests and poseable figure 1 Reply

As shown in the above video, I've been playing around with a very basic system for making keyframed animations from Kangaroo simulations.This is still just proof of concept stage - lots of issues to fix before it becomes very usable, but I'm posting…Continue

Started by Daniel Piker. Last reply by Jon 10 hours ago.

Planarize Hexa Cells on Freeform 3 Replies

Hi guys,so i played a bit with the kangaroo 2 command to get my non planar hexa mesh to planar ones. I have read other threads with nearly the same content. And i saw ideas that i have to put more goals in kangaroo. But the only goal that is…Continue

Tags: planar, planarize, shape, non, kangaroo

Started by Hendrik. Last reply by Hendrik yesterday.

Reciprocal structures - example definition 23 Replies

The latest release of Kangaroo contains several new features for…Continue

Tags: plankton, kangaroo, reciprocal

Started by Daniel Piker. Last reply by Diogo on Monday.

ClampLength newbie question 3 Replies

This is my first Kangaroo definition and I'm pretty happy with it! Everything works as expected, except for one thing: the ClampLength sort of doesn't work.I've set the ClampLength to the piston arm so that it would stop 25mm short of the piston…Continue

Started by Andrew Chan. Last reply by Andrew Chan on Friday.

Circle packing definition 15 Replies

Here's an example definition showing how to generate a circle packing from an arbitrary triangulation:…Continue

Started by Daniel Piker. Last reply by Jeremy Luebker Sep 16.

simple mesh relaxation issue 4 Replies

Hi Daniel,I've given Kangaroo2 a quick try and it really works like a charm, speed and stability look definitely amazing.I've run into a small issue though. I've tried a basic mesh relaxation with fixed perimeter (open mesh, using naked vertices as…Continue

Started by Alessio Erioli. Last reply by Fabio R. Sep 12.

News and Updates

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Comment Wall

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You need to be a member of Kangaroo to add comments!

Comment by Jorge on July 11, 2016 at 8:00pm

Dear all

How to building model like the videos?

https://vimeo.com/80136908

I try again and again but still without success.

I don't know how to lock here

My file Kangaroo%20Bend.gh

thanks.

Comment by matthewfilan on April 6, 2016 at 4:14pm

hi this is matthew and i just got into grasshopper learning for my design course and i have been experimenting with kangaroo. currently i want to make a shape such like this but i don`t know where to start can someone who knows how to do this please give me some ideas. thank you all for reading this. http://theverymany.com/propos-specus/12-tree-house/

Comment by ALI ESLAMI on March 3, 2016 at 3:32pm
Comment by yushide0527 on February 29, 2016 at 9:29pm

come here

Comment by Moonbeast on February 8, 2016 at 4:01am

Daniel,

Is there a way to measure kinetic energy of a system in Kangaroo 2 as in Kangaroo 1? Just trying to figure out if a system has reached equilibrium, keep up the great work.

Comment by Hans Rebel on December 20, 2015 at 12:07pm

Hi Daniel
I am excited by your kangaroo 2, thank you.
Trying to define goals to infate a mesh,  I came across your Vertex_areas_comparison.gh.
I added a 4. way witch uses the crossproduct which gives me the force_vector as well.
With that I defined an InflateMesh goal, which gives me good results for regular meshes.
The idea is just moving the face_vertices by the force_vector and let the solver add the vectors at a vertex.
Could you please have a look and tell me if I correctly handle that goals.
That would be a great help for further experiments.
Thanks again!

Vertex_areas_comparison_XProd3D.gh
151220_MeshInflate_VB_triags_XProd.gh

Comment by farzane o on November 9, 2015 at 2:28am

hi. I just started to work with kangaroo. I wondering do only I have problem with extracting this examples or there is a problem with them?http://www.grasshopper3d.com/group/kangaroo/page/

example-files

Comment by kipodi on September 29, 2015 at 7:53am

Hello, wondering if kangaroo has a solution for a conical mesh..or an idea on how to create one.

Comment by Charles Portelli on August 21, 2015 at 9:47am

The issue below was resolved once i turned off the custom ribbon layout i created.

Comment by Charles Portelli on August 21, 2015 at 9:05am

Hi All, I got a new computer and tried installing kangaroo but the tab does not show up in gh. I"ve tried placing the files in this directory:

C:\Program Files\Common Files\McNeel\Rhinoceros\5.0\Plug-ins\Grasshopper (b45a29b1-4343-4035-989e-044e8580d9cf)\0.9.76.0\Components

I've also tried placing the files in this directory:

C:\Users\MYNAME\AppData\Roaming\Grasshopper\Libraries

I"ve checked the security settings on the files. They are not blocked. Any ideas how I can resolve this?

Cheers,

 
 
 

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