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: 2523
Latest Activity: on Monday

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

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

Kangaroo 2 Utility 2 Replies

Hi Daniel,Is there any plan to add utilities in Kangaroo 2, similar as Kangaroo 1?I tried to make some utilities exist in Kangaroo 1 using purely Kangaroo 2 component, for instance, the origami component.Please let me know if I can…Continue

Tags: component, origami, utility, Kangaroo2

Started by X.Arthur.Ma. Last reply by Arthur Lara on Sunday.

Houdini Kangaroo Comparison 5 Replies

Just a really general question.I am wondering about the pros & cons between Houdini & Kangaroo, since both of them are doing physical simulation. It feels like Houdini these days has been focusing on filming & animation industry, while…Continue

Tags: Houdini

Started by Addin. Last reply by Addin on Sunday.

Signed area expansion

Help !!!!Can someone tell me is it possible to make this with kangaroo?Continue

Started by Amir Habibi Jul 18.

Kangaroo paneling problem 6 Replies

Hello there, i have a little problem whit Kangaroo.I got Kangaroo Physics 099, and uploaded the user's object, but the software show me only some command located under the utility panel. I use Grasshopper 0.9.0076. Have you some hint or solution?Continue

Tags: #panel, #kangaroo

Started by bbdick. Last reply by ng5 Alex Jul 17.

Untitled 1 Reply

No Description

Started by joanna-2015. Last reply by Moonbeast Jul 17.

How does Kangaroo work? 4 Replies

Hi all,first of all, I am not an advanced user of Kangaroo. However, I am writing a masters thesis on various form-finding methods of tension structures and have also dedicated a chapter to Kangaroo as it has proven very useful for our project.…Continue

Started by Samo P. Last reply by shehzad irani Jul 16.

News and Updates

Force polygons of equilibrium structures

I have recently been exploring some reciprocal force diagrams using Kangaroo. From the 1869 paper by James Clerk Maxwell On reciprocal figures, frames and diagrams of forces : …to construct the Polygon of Forces, by drawing in succession lines parallel and proportional to the different forces, each line beginning at the extremity of the last. If the forces acting at the […]

Minimal surface puzzle

The top row shows three different minimal surfaces from the same boundary curves. The bottom row shows the same 3 surfaces rotated and in a different order. Which number corresponds to which letter?

Orthogonal Clustering

I’ve always aimed to make Kangaroo a specifically architectural physics engine. While it shares many characteristics with similar engines used for other purposes, such as games and animation, it has some features that are uniquely suited to designing buildings. Form-finding and physics-based-modelling often result in curved shapes, with an elegant and natural appearance which is something […]

Variation from Uniformity

All of these triangles are identical and equilateral: In architectural geometry over the last few decades, a common topic of research has been how to build and clad doubly curved surfaces in an efficient way. While computer aided manufacturing has made it possible to make buildings where every panel has slightly different dimensions, there are […]

MeshMash!

      As regular readers of this blog will know, I’m passionate about the use of relaxation and force-based methods for optimizing geometry in a very interactive way. There is a great variety of form-finding that can be done by assigning physical forces as interactions between sets of particles. However, in my investigations so […]

Comment Wall

Comment

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

Comment by M.Elsayed on March 2, 2015 at 4:22pm

Boxes collide in limited space.

I need to make a collision between five boxes in  limited boundaries  with allowance of changing in size and dimensions for each box by 80 percent. Any Ideas or even sample file close to this issue.

Comment by andres obregon on November 4, 2014 at 3:07pm

Question about Kangaroo. It is possible to simulate a balloon filled with water in air, on a horizontal plane , self-weight forces? Thanks ...

Comment by Michael Makris on October 30, 2014 at 2:29pm

Quick question about the "new" Zombie component. How is Zombie Kangaroo different from just using a Sequence component to control Kangaroo Reset?

Comment by S.Sifakis on May 20, 2014 at 1:11pm

Hello Daniel,

I am trying to inflate 4 balloons within a box which itself also inflates. I would like to constraint the balloons inside the box but it is not working. The external surface of the inflatable object collide with the exterior surface of other objects but not the exterior with the interior. Is there something wrong with my definition or there is another way to do it?

Any help on this matter would be really appreciated since it is part of my thesis project!!

Thanks!!!! :) mesh_sphere_balloon4.gh

Comment by Luis García Lara on April 17, 2014 at 9:05am

Hi Daniel,

i'm having an error using KingKong plug-in, this error come from the kangaroo cluster, I think it's for the change of the hinge component in the last update of kangaroo, i'm wondering if someone can share the password for update the cluster?¿ or update the cluster and share again for continue using this nice plug-in?¿

http://www.grasshopper3d.com/group/kingkong/forum/topics/hinge-erro...

Thanks

Comment by S.Sifakis on April 17, 2014 at 5:32am

Hello,

I am trying to create constaint on  an inflattable mesh by using a curve as a spring. I used the mesh collide  component in order to deform the mesh following the curve as a constraint but the mesh doesn't seem to recognize it. I am working on the file that originated from this discussion.
http://www.grasshopper3d.com/group/kangaroo/forum/topics/simulating...
Any help would be appreciated

Sandra

inflatetriangulatedmesh_test_spring.ghx

inflateatriangulatedmesh_test_spring.3dm

Comment by Aurea Botelho on April 17, 2014 at 5:23am

I have uploaded Kangaroo and it's not working at all :/

Comment by chaz on February 12, 2014 at 11:56am

hey guys im having a severe problem. I cant find kangaroo anchor points while im using the kangaroo plugin! please help 

Comment by ALI ESLAMI on February 12, 2014 at 4:29am
Comment by andres obregon on January 9, 2014 at 2:07pm

Juan

thank you , it is working now.

 
 
 

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