# LeSill

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6

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• Rank
Peon

## Personal Information

• Name
Josef Pospisil
• Location
Czech republic
1. ## For each POINT in each GROUP

Thank you for your suggestions. I have tried clustering, but there was a problem, that the amount of points changes each frame so the clusters are made again each frame with different points, position and so on. The sim is unstable then. May I ask you for an explanation of the modification of the POP Attract node in the file you have sent me previously? You have unlocked this node and bound 2nd input to Myself. Could you explain me please what does it mean - how does it affect the function - what is the second input? Btw I have checked the studio you are working in and the work looks amazing.
2. ## For each POINT in each GROUP

Here is s new solution closer to desired result. The solution is based on Tomas' example of solution. I have just adjusted the sorting of the points at the beginning of the sim. The points get sorted right from the beginning. Now I will try to continue on the rest of the sim. I am still curious about the POPNET + SOP_SOLVER solution where i could use the gravitational forces like guys from Entagma in this tut http://www.entagma.com/custom-particle-system-in-vex/ . The problem I was facing are the mentioned problems above with sorting points to groups based on nearpoints function. ParticleGravitationalAttraction_03.hipnc
3. ## For each POINT in each GROUP

Could you please explain me why the groups are not stable? I was trying to figure out all day, why some points belongs to two groups forexample, or why the amount of points in the groups doesn't match the amount of points I have set up for the array based on the function nearpoints. I will attach a few pics. The whole simulation should work like this (the PDF file): 1. points are emitted from a circle 2. when they reach some position they should be clustered to groups of fxp 4-7 points and then they should be attracted to each other inside the groups by gravitational forces (something like this http://www.entagma.com/custom-particle-system-in-vex/), they should create in the end bunch of sticked particles 3. after getting near to a "magnet", the sticked particles should be attracted to the nearest point/surface of the magnet and stick on it I will be very grateful for any suggestions. Even though it didn't look complicated at the beginning, it does now beacause the lack of experience with vex coding. Particle attraction.pdf
4. ## For each POINT in each GROUP

Thank you for the file Tomas I am going to check the file. May I ask you if you from Slovak republic?
5. ## For each POINT in each GROUP

Hello guys I am still quite new in VEX coding and I am all day fighting with set of gravitational rules based on a membership of the points in groups. I am emitting particles, the particles are sorted to groups by 3-6 nearest points. So after couple of frames of emitting particles I have 100 groups and each groups has 3-6 points. Now I need to set some gravitational rules for every group so the points in every group will be attracted to each other just inside the group. I got stuck here. If anyone has any idea how to solve this issue, it would be perfect. Many thanks in advance. ap_ParticleGravitationalAttraction_01.hipnc
6. ## Vellum Scale by Attribute Not Working

Hello I have tun into the same problem. I would like to change vellum constraints over time, but it doesn't work - doesn't update each frame. There is problem with groups. The groups are not recognized in Vellum constraints node, even though I didn't setup any of those groups. On the other hand the Vellum Constraint Property works well, but it would be nice to use the Vellum Constraints node as well in DOP or SOP Vellum solver. If somebody has solved the problem, could you put the explanation herem pleeeeaasse ? Many thanks
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