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I have a particle hair system distributing my grass models across a cylinder ground plane. The rotation orientation axis is set to the normals of the cylinder ground plane however when I animate the rotation of the cylinder the particles do not follow the same rotation and they fall flat. I need to use the hair system instead of an emitter so I can use turbulent forcefield to create wind. Any idea how to lock particle systems to the rotation of the ground plane?

FullScene 0 rotation rotated particle system

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  • $\begingroup$ "normally" this should work. Can u pls provide blend file? $\endgroup$
    – Chris
    May 15 at 3:38

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Seems that my issue was entirely the Orientation Axis in the Rotation tab. Changed it to Velocity and my issue disappeared.

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