Grasshopper

algorithmic modeling for Rhino

Attractor system: curves, ditributed on a surface bend towards an attractor point. The length and bending angle of each indivdual curve depends on the orientation of the curve´s starting point towards the attractor.

video: http://www.grasshopper3d.com/video/follow-the-point

Views: 673

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Comment by Aaron Hills on May 6, 2013 at 7:10am

Hey Frank,

This is amazing! i'm trying to do a similar thing to a relaxed mesh that has center point circles and are extruded, both diameter and extrusion length relate to the distance from two attractors, next thing i plan to do have them bend towards the attractors. I see we are not able to post definitions here. If i am able to send them too you do you think you could have a look at it? Heres an image of the attractor and circle part

Cheers!

Comment by Frank on October 5, 2010 at 3:49pm
I put the definition on the wall on my profile page.
Comment by Frank on October 4, 2010 at 3:06pm
Hi Dominique!

All the curves are created as CV curves, 3 points for each one. The fisrt point is directly on the surface, the second point is a copy of the first one moved along the local normal vector of the surface (to make sure that each curve leaves the surface in a 90 degree angle). The third point is the one that gets pulled by the attractor point.

If you are interrested I can send you the files. Seems like I cannot post them here in a comment...
Comment by Dominique Cameron on October 3, 2010 at 2:01pm
Beautiful. I'm fairly new to grasshopper and I'm trying to achieve a similar effect, but I'm stuck at getting the curves to bend towards the attractor point... any tips?
Comment by Mirco Bianchini on April 21, 2010 at 3:38am
fantastic
Comment by LEI xiaoguang on April 21, 2010 at 1:19am
nice

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