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: 2644
Latest Activity: on Wednesday

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

The main source of example files for the latest version is here:

https://github.com/Dan-Piker/Kangaroo-examples

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

New origami example 54 Replies

Origami_simplified.ghThis example shows the use of the new user object…Continue

Started by Daniel Piker. Last reply by Roshun Shaun Ayus on Wednesday.

Reciprocal structures - example definition 27 Replies

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

Tags: plankton, kangaroo, reciprocal

Started by Daniel Piker. Last reply by Torkild Helland Kleppe Dec 8.

Units (mass & force) 12 Replies

Hi all, I'm pretty new to Kangaroo and I'm trying to work out how various objects and structures respond to differnernt forces, mainly unary force for gravity and some spring stuff within the structures. I was wondering if there is a unit kangaroo…Continue

Tags: newbie, force, mass, Units

Started by Rupert Todd. Last reply by zooid Dec 5.

How to find current forces applied to particles 3 Replies

When a system has goals still trying to move particles, but has reached equilibrium, I'd like to gather information about what forces are being applied on each particle by each goal. Is there a way to query the solver for this? I imagine it's right…Continue

Started by Cory. Last reply by Daniel Piker Dec 4.

Kangaroo 2 70 Replies

Hello Daniel i have downloaded and installed Kangaroo 2 but i cant interact with the rhino viewport, i have installed rhino 5 64 sr11, both files are unlocked, do you have any idea why this happens?Continue

Started by dvdrbls. Last reply by paul piciorul Dec 4.

Prestressed structure analysis. Define tension and compression. 1 Reply

Hi everyone,I just wanted to share a definition that I made with Kangaroo. Its goal is to define wich elements are in tension or in compression in a prestressed structure. It also check if the structure is stable.I use it to design tensegrity…Continue

Tags: constant, component, tensegrity, compression, tension

Started by Ludovic Regnault. Last reply by Andrew Steele Dec 2.

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 ZHANG Yan - popabczhang on November 29, 2010 at 2:48am
thanks for your invitation!
it's a amazing plugin
Comment by Fernando Rial on November 22, 2010 at 2:36pm
Thanks for the invitation!!
Comment by tensional calculous on November 3, 2010 at 11:39pm
谢谢你的邀请!
Comment by Tudor Cosmatu on November 2, 2010 at 5:17am
Thanks for the invitation :)
Comment by Jordan So on November 1, 2010 at 9:25am
thanks for the invite
Comment by Agnes Tan on October 31, 2010 at 12:01pm
Thanks for the invitation.
Comment by Luca Biselli on October 30, 2010 at 8:04pm
Thanks for the invitation.
Comment by Cristian Luca Atzori on October 30, 2010 at 11:18am
Up and ready to rock :)
Comment by Alexander Kalachev on October 30, 2010 at 10:28am
Thnx for invitation
Comment by Beltrán Fernández Mariño on October 30, 2010 at 9:44am
Thanks for the invitation :]
 
 
 

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