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What I have: an array of vertices obtained through a simple Sverchok node that states the position of each voxel(many thousands of them).

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What I would like to do is to create a reverse explosion effect, where the voxels(in the shape of cubes), that at the beginning are scattered in space, start to head towards the center one after another, until they have formed the bunny.

What I've managed to do so far is this, using particles systems, but it's not exactly that effect that I would like, since here the particles are moving all at the same time, whereas what I want is them to move one after another (more or less).

enter image description here

I'm new to animation, could this be done in a not too complicated way?

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  • $\begingroup$ Related blender.stackexchange.com/questions/62209/…. Possible usage here: starting from a sphere surrounding the bunny and target to the bunny $\endgroup$ – lemon Apr 10 '17 at 9:21
  • $\begingroup$ @lemon I've updated my question in response to your comment $\endgroup$ – Alberto89 Apr 10 '17 at 9:39
  • $\begingroup$ Have you tried to change start/end parameters of the PS first key (the sphere)? $\endgroup$ – lemon Apr 10 '17 at 9:46
  • $\begingroup$ From the previous comment, you can have this kind of effect i.stack.imgur.com/Pcy71.gif. Is that it ? $\endgroup$ – lemon Apr 10 '17 at 9:58
  • $\begingroup$ Well, it would be a close enough probably:) I have tried now to do as you said but if I change the start/end parameters of the sphere it looks like nothing changes.. only if I change the ones of the controller I get some funky effects, but not the one that I want or that you've showed.. how did you setup the the different timings? $\endgroup$ – Alberto89 Apr 10 '17 at 10:10
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enter image description here

From this answer, I've changed or set the following:

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1- Keyed object 2- Particle 3- Surrounding sphere (viewed as bounds) 4- Bunny (viewed as bounds)

On the right the setting for keyed object (the 2nd PS has 10 for the time parameter).

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Above the setting for the surrounding sphere (250 for the 'end' parameter).

And below the setting for the bunny:

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  • $\begingroup$ Ok, now it's much better, thanks! link One last thing though: now the particles are accumulating along the X axis, could I have them along the Z, or even better from the center? I am using vertex group for the bunny and I have tried to use Sort Mesh Elements, like for the Build Modifier, but it didn't work $\endgroup$ – Alberto89 Apr 10 '17 at 11:36
  • $\begingroup$ @Alberto89, about this axis aspect, how did you get that along the X axis? $\endgroup$ – lemon Apr 10 '17 at 14:15
  • $\begingroup$ Not sure, removing the Random tick on the bunny seams to do the trick.. here's the file <img src="https://blend-exchange.giantcowfilms.com/embedImage.png?bid=3107" /> $\endgroup$ – Alberto89 Apr 11 '17 at 7:17
  • $\begingroup$ Oh yes, the trick is to reorganize the vertex indices. Now the particles can grow from the center or on any axes direction. Thanks for the help. link $\endgroup$ – Alberto89 Apr 11 '17 at 12:04

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