For-Loop within For-Loop

[FruehBird]

I am working on a way to place packed primitives (sphere) onto a point cloud one at a time, detect if there is a collision and shrink the object until there is no collision. I have attached a file I am working on. Currently the scale is set to the iteration of the loop but does not seem to work correctly.

For collision I am using the intersection node on feedback of the first for-loop and setting a detail attribute Collision to the just added sphere and from there setting a stopping value for the for-loop is attribute exists. The internal for-loop is then merged into the first and the cycle continues until all the points are filled.

Am I going about the right way of setting this up? 

 

For-Loop_Intersection.hip

[Atom]

If you are just trying to fill a shape with an object, you might want to check out this thread on packed bubble.

 

[FruehBird]

Thanks for the link Atom. This is just a simple part of a much larger operation. Eventually I will be placing a prototype on to each point, one at a time and checking for intersections, if one exists I will be rotating/scaling the prototype until no intersections occur and then move on to the next point and do the same. 

[FruehBird]

Here is a version where I am able to iterate and scale a single copy. I just can't seem to merge the two loops together. 

 

 

For-Loop_Intersection_v04.hip

[FruehBird]

I was able to get it working. However to do so I had to bypass the first iteration to initialize outputing the mesh that gets added through the copy sop. Curious as to why that happens. 

For-Loop_Intersection_v05.hip