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I have set a curve guide as the Effector Group of my particle flow. Now, the particles move along a linear path, I want some of them to take a more random path -- like some of them follow the path but then slowly deviate away from it -- so that it seems less obvious. Is there any way I can do that?

This is my setup:

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  • $\begingroup$ try reducing the influence of the curve guide and increasing the Brownian motion (random movement) of the particles. $\endgroup$ – 3pointedit Nov 14 '16 at 7:57
  • $\begingroup$ @3pointedit i'll try that $\endgroup$ – Tejas Nov 14 '16 at 10:05
  • $\begingroup$ @3pointedit hey, thanks that worked, but is there any way to restrict the brownian motion to the Z-axis? $\endgroup$ – Tejas Nov 14 '16 at 16:22
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    $\begingroup$ Don't think so, as its a genuinely random motion. Perhaps instead you could move them through a field effect like turbulence or texture? $\endgroup$ – 3pointedit Nov 14 '16 at 22:14
  • $\begingroup$ @3pointedit ok, i had it sorted out, not the according to the question I asked, but thanks anyways $\endgroup$ – Tejas Nov 15 '16 at 15:02
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As far as i experimented with my project, I couldn't find a definite solution. However,I was able to bypass the problem. I aligned the normals of the emitter along one of the axis, then with required level Brownian Motion set, I increased the Normal velocity of the particle system. Later I baked the Particle System, however this step was of my preference. Similar results can also be achieved by setting a Particle System with the necessary -- Brownian Motion and Normal Velocity -- settings along with a Force Field of negative strength. Note that both the Particle System and Force Field have to exist on the same Layer. Also, a Force Field affects all particle systems present on the layer. Therefore, while using multiple particle systems place each of them on a different Layer if you don't want the Force Field affect them too.

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