Random cube movement to automatic forming of stacks

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Hi there!

Not sure if this is the right place to request help for these kind of questions. If not sorry in advance.

I'm new to Houdini coming from 3DS Max, did some tutorials and i really like the concept.
It got me to rethink how i should animate things.

Now I have a specific end goal in mind to try and I'll try to explain it with an image:




In the first phase (1): cubes are moving and rotating randomly in space without gravity.

In the second phase (2): (some of) the cubes are forming a dynamic stack with a specific rotation.

In 3DS Max I would give the cubes noise on rotation and position and animate the value to stop when in the stack.
for the forming of the stack I'll start with the final stack with a path deform modifier on a spline (the spline control points with noise modifier so the spline floats around) and then manually animate the cubes to a random position. And play the whole animation in reverse


It's probably not the most efficient way but it works.
However it would be really cool to let a program like Houdini calculate the whole process.
For example when two cubes are getting close to each other they start a stack, and when a stack is forming they attract nearby cubes to follow suit.

I think it shouldnt be too difficult but I don't know how to do it, can somebody help me out?
Edited by Mistah - July 19, 2019 03:15:28

Attachments:
houdini_test.png (91.2 KB)

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Or maybe somebody knows a relevant tutorial I havent fount yet, that can point me in the right direction?
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