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Is something like this possible in Blender ?

Growing strands

I need random movement of particles, which leaves static strands behind.

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  • $\begingroup$ This is possible using hair particles (the trail effect could be done in post processing by fading frames out over time). $\endgroup$ – gandalf3 Mar 7 '14 at 7:27
  • $\begingroup$ I need real strands, no any echos or duplicate in postproduction, this is exactly what I need: [youtube.com/watch?v=cVqUaaozE5Y] $\endgroup$ – Cenda Mar 7 '14 at 12:18
  • $\begingroup$ Do you think this can be yet another acceptable solution? And I wonder whether you mean to have static strands for dynamic and random particles to follow? $\endgroup$ – Leon Cheung Mar 7 '14 at 18:54
  • $\begingroup$ Use hair particle with Hair Dyamics On. Add up force field, like wind and turbulance ( you may need to add up 2 or 3 for the effect) , Keep the hair particle length more then 10. Setup the material with strand options on. Add up a blend texture, which will effect the alpha and a color ramp to give multi colors. $\endgroup$ – Ali Jibran Mar 7 '14 at 20:34
  • $\begingroup$ @Cenda Oh. I mis-understood what you wanted.. $\endgroup$ – gandalf3 Mar 7 '14 at 20:37
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You could try using trails and lines in BI. enter image description here

enter image description here

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  • $\begingroup$ it looks like best solution for me :) thanks .. btw, is there any option for controling grow by curve / path ? $\endgroup$ – Cenda Mar 8 '14 at 22:30
  • $\begingroup$ I thought you needed particles. For growth along curves Ivy gen addon is probably a good fit for you. bioblog3d.wordpress.com/2013/02/06/iga-is-ready $\endgroup$ – jaypjohnson Mar 9 '14 at 2:24
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You can use a Halo material and Trail Particles to do this.

Animated gif

  1. Use a turbulence force field to create the random motion. (You can also use the Brownian value in Particles > Physics, but I liked the motion created by the turbulence force-field better)

    enter image description here

  2. Set the Trail count up. 700 may be a bit much if you have a lot of particles, and unnecessary if your particles don't move very fast.

    enter image description here

  3. Use a Halo material for the particles:

    enter image description here

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